研 究 業 績
橋 本 研 也
(令和3年3月29日現在)
2021
(a) Refereed Journal Papers
(1) H.Takahashi, T.Omori, and K.Hashimoto, “Development of High-Speed and
Phase-Sensitive Laser Probe System for RF SAW/BAW Devices with Absolute
Vibration Amplitude Measurement function,” Jpn. J. Appl. Phys., 60, 7 (2021) [to be published]
(2) T.Yaginuma, T.Omori, and K.Hashimoto, “A Detection Electronics Enabling Ultimate Suppression of Leakage Signals in High-Speed and Phase-Sensitive Laser Probe for Radio Frequency Surface and Bulk Acoustic Wave Devices,” Jpn. J. Appl. Phys., 60, 7 (2021) [to be published]
(3) T.Wu, Y.P.Wong, Z.Wu, J.Bao, and K.Hashimoto, “Application of Free
Side Edges to Thickness Shear Bulk Acoustic Resonator On Lithium Niobate for Suppression of Transverse Resonances,” Jpn. J. Appl. Phys., 60, 7 (2021) [to be published]
(4) Z.Wu, Y.P.Wong, T.Wu, J.Bao, and K. Hashimoto, “Broadband Piston Mode
Applied in A1 Lamb Mode Solidly Mounted Resonator,” Jpn. J. Appl.
Phys., 60, 7 (2021) SDDC03
(5) T.Workie, T.Wu, J.Bao, and K.Hashimoto, “Design for High Quality Factor
of Piezoelectric-on-Silicon MEMS Resonators Using Resonant Plate Shape and Phononic
Crystals,” Jpn. J. Appl. Phys., 60, 7 (2021) [to be published]
2020
(a) Refereed Journal Papers
(1) J.C.Liu, T.B.Workie, T.Wu, Z.Wu, K.Gong, J.Bao, and K.Hashimoto,“Q-factor
Enhancement of Thin-Film Piezoelectric-on-silicon MEMS Resonator by Phononic
Crystal-Reflector Composite Structure,” Micromachines, 11 (2020) 1130
(2) N.Matsuoka, X.Li, T.Omori, and K.Hashimoto, “Study of Loss Mechanisms
in Temperature Compensated Surface Acoustic Wave Devices Based on Finite
Element Method Analysis Using Hierarchical Cascading Technique," Jpn.
J. Appl. Phys., 59, 7 (2020) SKK06
(3) L.Qiu, X.Li, N.Matsuoka, T.Omori, and K.Hashimoto, “Emphasis Mechanism of Nonlinear Responses Caused by Transverse Modes in RF BAW Devices,” Jpn. J. Appl. Phys., 59, 7 (2020) SKKC02
(4) K.Hashimoto, X.Li, J.Bao, L.Qiu, and T.Omori, “Perturbation Analysis of Nonlinearity in Radio-Frequency Bulk Acoustic Wave Resonators Using the Mass-Spring Model,” IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 67, 7 (2020) pp. 1479-1484
2019
(a) Refereed Journal Papers
(1) X.Li, J.Bao, Y.Huang, B.F.Zhang, T.Omori, and K.Hashimoto, "Use of Hierarchical Cascading Technique for FEM Analysis of Transverse Mode Behaviors in Surface Acoustic Wave Devices," IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 66, 12 (2019) pp. 1920-1926
(2) Y.Huang, J.Bao, X.Li, B.F.Zhang, L.Qiu, T.Omori, and K.Hashimoto, "Analysis
of SAW Scattering with Discontinuous Periodic Gratings Using Travelling
Wave Excitation and Hierarchical Cascading Technique,” IEEE Trans. Ultrason.,
Ferroelec., and Freq. Contr., 66, 7 (2019) pp. 1255-1263
(3) L.Qiu, X.Li, N.Matsuoka, T.Omori, and
K.Hashimoto, "Impact of Transverse
Mode Resonances on Second Harmonic Generation in Radio Frequency Bulk Acoustic
Wave Resonators," Jpn. J. Appl. Phys., 58, 7 (2019) SGGC02-1~5
(4) T.Kimura, H.Kyoya, H.Okunaga, M.Omura, and K.Hashimoto, "Observational
and theoretical validation of longitudinal type surface acoustic wave devices,"
Jpn. J. Appl. Phys., 58, 7 (2019) SGGC04-1~7
(5) X.Li, J.Bao, L.Qiu, N.Matsuoka, T.Omori and K.Hashimoto, "3D
FEM Simulation of SAW Resonators Using Hierarchical Cascading Technique and
General-Purpose Graphic Processing Unit," Jpn. J. Appl. Phys., 58, 7 (2019) SGGC05-1~4
(6) R.Goto, H.Nakamura, and K.Hashimoto, "The modeling of the transverse mode in TC-SAW
using SiO2/LiNbO3 Structure," Jpn. J. Appl. Phys., 58, 7 (2019) SGGC07-1~6
(7) N.Matsuoka, L.Qiu, X.Li, T.Omori, and K.Hashimoto, "Applicability of Single
Precision Graphics Processing Unit for Fast Simulation of 2D Surface Acoustic
Wave Devices Using Hierarchical Cascading Technique," Jpn. J. Appl. Phys., 58, 7 (2019) SGGC11-1~5
(8) X.Li, J.Bao, Y.Huang, B.Zhang, T.Omori and K.Hashimoto, "Traveling Wave Excitation Sources for FEM Analysis of Scattering in
Acoustic Waveguide," Microsystem Technologies, 25, 7 (2019) pp. 2783-2792
(9) T.Kimura, M.Omura, Y.Kishimoto, and K.Hashimoto, "Comparative Study
of Acoustic Wave Devices Using Thin Piezoelectric Plates in the 3 to 5
GHz Range," IEEE Trans. Microwave Theory and Techniques, 67, 3 (2019) pp. 915-921
(b) Conference Proceeding Papers
(1) K.Hashimoto, X.Li, J.Bao, L.Qiu, and T.Omori, "Perturbation
Analysis of Nonlinearity in Radio Frequency Bulk Acoustic Wave Resonators
Using
Mass-Spring Model," Proc. IEEE Ultrason. Symp. (2019) 10.1109/ULTSYM.2019.8926245
(2) R.Goto, H.Nakamura, and K.Hashimoto, "Spurious Free TC-SAW Duplexer
Using the SiO2/LiNbO3 Structure," Proc. IEEE Ultrason. Symp.
(2019) 10.1109/ULTSYM.2019.8925829
(3) N.Matsuoka, T.Omori, and K.Hashimoto, "Suppression of Lowest-Order Plate Mode in Wafer-Bonded
SAW Devices using LiTaO3 Thin Plate, "Proc. IEEE Ultrason. Symp. (2019)
10.1109/ULTSYM.2019.8926253
(4) A.Iyama, X.Li, T.Omori, and K.Hashimoto, "Full 3D Analysis of Scattering at a
Border Between IDT and Reflector in SAW Resonators," Proc. IEEE Ultrason. Symp. (2019) 10.1109/ULTSYM.2019.8925826
(5) [Invited] T.Kimura,
M.Omura, Y.Kishimoto, H.Kyoya, H.Okunaga, and K.Hashimoto, "High Velocity and Wideband SAW on a Thin LiNbO3 Plate Bonded on a Si Substrate in the SHF Range," Proc.
IEEE Ultrason. Symp. (2019) 10.1109/ULTSYM.2019.8926065
2018
(a) Refereed Journal Papers
(1) [Invited] A.Hagelaurer,
G.Fattinger, C.Ruppel, M.Ueda, K.Hashimoto, and A.Tag, “Microwave Acoustic Wave
Devices: Recent Advances on Architectures, Modeling, Materials, and Packaging,”
IEEE Trans. Microwave Theory and Techniques, 66, 10 (2018) pp.4548-4562.
(2) Q.Zhang, J.Guo, P.Qin, G.Tang, B.Zhang, K.Hashimoto, T.Han, P.Li, and Y.Wen,
“Wavenumber domain analysis of surface acoustic wave scattering fromlocalized
gratings on layered piezoelectric substrate,” Ultrasonics, 88 (2018) pp.131-136
(3) Y.Huang, J.Bao, X.Li, B.Zhang, G.Tang, T.Omori, and K.Hashimoto, “Influence of Coupling between Rayleigh and SH SAWs on Rotated Y-cut LiNbO3 to Their Propagation,” IEEE Trans. Ultrason., Ferroelec., and Freq. Contr.,
65, 10 (2018) pp. 1905-1913.
(4) X.Li, J.Bao, Y.Huang, B.Zhang,
T.Omori and K.Hashimoto, “Application
of Hierarchical Cascading Technique to Finite Element Method Simulation in Bulk
Acoustic Wave Devices,” Jpn. J.
Appl. Phys., 57, 7 (2018) 07LC08-1~4
(5) L.Qiu, T.Omori, and K. Hashimoto, “Power Durability Measurement of Radio Frequency Surface Acoustic Wave and Bulk Acoustic Wave Devices Taking Influence of Their Temperature Dependences into Account,” Jpn. J. Appl. Phys., 57, 7 (2018) 07LD10-1~2
(6) Y.Huang, J.Bao, X.Li, B.Zhang, T.Omori, and K.Hashimoto, “Parameter Extraction of Coupling-of-Modes
Equations Including Coupling Between Two Surface Acoustic Waves on SiO2/Cu/LiNbO3
Structures," Jpn. J. Appl. Phys., 57, 7 (2018) 07LD13-1~4
(7) [Best Paper Award] T.Kimura, Y.Kishimoto, M.Omura, and K.Hashimoto, “A 3.5 GHz Longitudinal Leaky Surface
Acoustic Wave Resonator Using a Multilayered Waveguide Structure for High Acoustic Energy
Confinement,” Jpn. J. Appl.
Phys., 57, 7 (2018) 07LD15-1~4
(8) R.Nakagawa and K.Hashimoto, “Influence of Electrode Width
of Interdigital Transducer on Third-Order Nonlinearity of Surface Acoustic Wave
Devices on 42°YX-LiTaO3 Substrate,” Jpn. J. Appl. Phys., 57, 7 (2018) 07LD18-1~6
(9) R.Goto, J.Fujiwara, H.Nakamura, and K.Hashimoto, “Multimode Coupling of
Modes Model for Spurious Responses on SiO2/LiNbO3 Substrate,”
Jpn. J. Appl. Phys., 57, 7 (2018) 07LD20-1~4
(10) X.Li, J.Bao, Y.Huang, B.Zhang, T.Omori and K.Hashimoto, “Use of Double-raised-border
Structure for Quality Factor Enhancement of Type II Piston Mode FBAR,”
Microsystem Technologies, 24, 7 (2018) pp. 2991-2997.
(11) B.Zhang, T.Han, G.B.Tang, X.Li, Y.L.Huang, T.Omori, and K.Hashimoto,
“Impact of Coupling between Multiple SAW Modes on Piston Mode Operation
of SAW Resonators,” IEEE Trans. Ultrason., Ferroelec., and Freq. Contr.,
65, 6 (2018) pp. 1062-1068.
(12) Q.Zhang, J.Q.Guo, P.Qin, G.B.Tang, B.Zhang, K.Hashimoto, T.Han, P.Li,
and Y.Wen, “Wavenumber Domain Analysis of Surface Acoustic Wave Scattering
from Localized Gratings on Layered Piezoelectric Substrate,” Ultrasonics,
88 (2018) pp.131-136.
(b) Conference Proceeding Papers
(1) Y.L.Huang, J.F.Bao, X.Y.Li, B.F.Zhang,
L.Y.Qiu, T.Omori, and K.Hashimoto, "Analysis of SAW Scattering at Discontinuity Between Periodic Gratings Using
Travelling Wave Excitation and Hierarchical Cascading Technique,"
Proc. IEEE Ultrason. Symp. (2018) 10.1109/ULTSYM.2018.8580141
(2) B.F.Zhang, T.Han, X.Y.Li, Y.L.Huang, L.Y.Qiu, T.Omori, and K.Hashimoto, "FEM-Based
Estimation of SAW Power Flow Angle in Periodic Gratings," Proc. IEEE
Ultrason. Symp. (2018) 10.1109/ULTSYM.2018.8579965
(3) X.Y.Li, J.F.Bao, Y.L.Huang, B.F.Zhang, T.Omori, and K.Hashimoto, "Use of Hierarchical Cascading Technique for FEM Analysis of Transverse
Mode Behaviors in SAW Devices," Proc. IEEE Ultrason. Symp. (2018) 10.1109/ULTSYM.2018.8580048
(4) T.Suzuki, K.Takigawa, R.Nakagawa, and K.Hashimoto, "Simplified BEM
Model for Fast and Accurate Simulation of Surface Acoustic Wave Devices,"
Proc. IEEE Ultrason. Symp. (2018) 10.1109/ULTSYM.2018.8579674
(5)[Invited] K.Hashimoto, X.Y.Li, J.F.Bao, Y.L.Huang, B.F.Zhang, and T.Han, "Transverse
Modes in Temperature Compensated Surface Acoustic Wave Devices," Proc.
IEEE Ultrason. Symp. (2018) 10.1109/ULTSYM.2018.8580001
(6) T.Kimura, M.Omura, Y.Kishimoto and K.Hashimoto, "Applicability Investigation of SAW Devices in the 3 to 5 GHz Range," Tech. Digest, IEEE International
Microwave Symposium (2018) We3E-1
(7) [Invited] C.J.Ahn and K.Hashimoto, "5G - Performance Challenges," Proc.
Seventh Int'l Symp. on Acoustic Wave Devices for Future Mobile Comm. Systems
(2018) 1A-1
(8) [Invited] X.Li, J.Bao, T.Omori, and K.Hashimoto, "Hierarchical Cascading Technique for Analysis of RF SAW/BAW Devices,"
Proc. Seventh Int'l Symp. on Acoustic Wave Devices for Future Mobile Comm.
Systems (2018) 1C-1
(9) [Invited] K.Hashimoto, B.Zhang, T.Han, Y.Huang, X.Li, J.Bao, and T.Omori, "Impact of Two SAW Coupling in
Temperature Compensated SAW Structure," Proc. Seventh Int'l Symp. on Acoustic Wave Devices for Future Mobile Comm. Systems
(2018) 1C-2
(10) [Invited]] T.Omori, and K.Hashimoto, "Development of phase-sensitive and fast-scanning
laser probe system for RF SAW/BAW devices and its applications," Proc.
Seventh In'l Symp. on Acoustic Wave Devices for Future Mobile Comm. Systems
(2018) 2A-1
2017
(a) Refereed Journal Papers
(1) Y.L.Huang, J.F.Bao, G.B.Tang,
T.Aonuma, Q.Z.Zhang, T.Omori, and K.Hashimoto, "Design Considerations of SAW/BAW Band Reject
Filters Embedded in Impedance Converter," IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 64, 9 (2017) pp.1368-1374.
(2) B.F.Zhang, T.Han, G.B.Tang, Q.Z.Zhang, T.Omori, and
K.Hashimoto, "Modeling and Analysis of Lateral Propagation of Surface Acoustic Waces Including
Coupling Between Different Waves," IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 64, 10 (2017) pp.1354-1360.
(3) B.F.Zhang, T.Han, G.B.Tang, Q.Z.Zhang, T.Omori, and K.Hashimoto, "Influence of Coupling
with Shear
Horizontal Surface Acoustic
Wave on Lateral Propagation of Rayleigh Surface Acoustic Wave on 128°YX-LiNbO3," Jpn. J. Appl. Phys., 56, 7 (2017) 07JD02-1~4
(4) Y.L.Huang, J.F.Bao, G.B.Tang, Y.L.Wang,
T.Omori, and K.Hashimoto, "Multi-Mode Filter Composed of Single-mode
Surface Acoustic Wave/Bulk Acoustic Wave (SAW/BAW) Resonators," Jpn. J. Appl. Phys., 56, 7 (2017) 07JD10-1~4
(5) G.Zhang, A.Anand, K.Hikichi, S.Tanaka, M.Esashi, K.Hashimoto, S.Taniguchi, and R.K. Pokharel, "A 1.9 GHz Low-Phase-Noise Complementary Cross-Coupled FBAR-VCO Without Additional Voltage Headroom in 0.18 mm CMOS Technology," IEICE Trans. Electron., E100-C, 4 (2017) pp. 363-369.
(b) Conference Proceeding Papers
(1) K.Hashimoto, T.Omori, K.Maruta and C.J.Ahn, "Nonlinearity in RF Front-End
as a Bottleneck in High Speed Mobile Communications," Proc. International
Symp. On Nonlinear Theory and its Applications, NOLTA 2017 (2017) pp. 193-196
(2) K.Maruta, C.J.Ahn, and K.Hashimoto, "Interference Suppression
by Initial Antenna Selection for CMA Adaptive Array over Rayleigh Fading
Channels," Proc. International Symp. On Nonlinear Theory and its Applications, NOLTA
2017 (2017) pp. 217-220
(3) T.Omori, T.Suzuki and K.Hashimoto, “Implementation of Frequency Scanning
Function in Phase Sensitive Laser Probe System for RF SAW/BAW Devices,” Proc. IEEE Ultrason.
Symp. (2017) 10.1109/ULTSYM.2017.8092793
2016
(a) Refereed Journal Papers
(1) G.B.Tang, T.Han, K.Yamazaki, QZ.Zhang, T.Omori and K.Hashimoto, "Validity Evaluation of ScxAl1-xN Material Constants Based on SAW
Characteristics,” Journal of Micromechanics and Microengineering,
26, 11 (2016) 115002-1~6.
(2) Q.Z.Zhang, T.Han, G.B.Tang, J.Chen, and K.Hashimoto, "SAW Characteristics
of AlN/SiO2/3C-SiC Layered Structure with Embedded Electrodes,"IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 63, 10 (2016) pp. 1608-1612
(3) G.B.Tang,
T.Han, A.Teshigahara, T.Iwaki, and K.Hashimoto, “Enhancement of Effective Electromechanical
Coupling Factor
by Mass Loading in Layered SAW Device
Structures,” Jpn. J. Appl. Phys., 55, 7 (2016) 07KD07-1~5
(4) G.B.Tang, T.Han, J.Chen, B.F.Zhang, T.Omori, and K.Hashimoto, “Model
Parameter Extraction for Obliquely Propagating Surface Acoustic Waves in
Infinitely Long Grating Structures,” Jpn. J. Appl. Phys., 55, 7 (2016) 07KD08-1~4
(5) Q.Z. Zhang, T. Han, J.Chen, W.Wang and K.Hashimoto, “Enhanced Coupling Factor of Surface Acoustic Wave Devices Employing ScAlN/Diamond Layered Structure with Embedded Electrodes,” Diamond Relat. Mater., 58 (2015) pp. 31-34
(6) G.B.Tang, T.Han, J.Chen, B.F.Zhang, T.Omori, and K.Hashimoto, “Thin Plate Model for
Transverse Mode Analysis of Surface Acoustic Wave Devices,” Jpn. J. Appl.
Phys., 55, 7 (2016) 07KD09-1~5
(7) R.Nakagawa, T.Suzuki, H.Shimizu, H.Kyoya, K.Nako, and K.Hashimoto, “Discussion
about Generation Mechanisms of Third-Order Nonlinear Signals in Surface
Acoustic Wave Resonators on the Basis of Simulation,” Jpn. J. Appl. Phys.,
55, 7 (2016) 07KD02-1~7
(8) A.Kochhar, Y.Yamamoto,
A.Teshigahara, K.Hashimoto, S.Tanaka, and M.Esashi, “Wave Propagation Direction
and c-axis Tilt Angle Influence on the Performance of ScAlN/Sapphire based SAW
Devices,” IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 63, 7 (2016) pp. 953-960
(b) Conference Proceeding Papers
(1) K.Hashimoto, "Memory of Franz Seifert from Outside Europe," Proc. IEEE Ultrason. Symp. (2016) 10.1109/ULTSYM.2016.7728660
(2) Y.L.Huang, J.F.Bao, G.B.Tang, T.Aonuma, Q.Z.Zhang, T.Omori, and K.Hashimoto, "SAW/BAW Band Reject Filters Embedded in Impedance Converter," Proc. IEEE Ultrason. Symp. (2016) 10.1109/ULTSYM.2016.7728411
(3) G.B.Tang, T.Han, K.Yamazaki, QZ.Zhang, T.Omori and K.Hashimoto, "Validity Evaluation of ScxAl1-xN Material Constants Based on SAW Characteristics," Proc. IEEE Ultrason. Symp. (2016) 10.1109/ULTSYM.2016.7728493
(4) Q.Z.Zhang, T.Han, B.F.Zhang, G.B.Tang, Y.L.Huang, T.Omori, and K.Hashimoto, "Frequency Domain FEM Analysis of Reflector Scattering Characteristics for SAW Tags," Proc. IEEE Ultrason. Symp. (2016) 10.1109/ULTSYM.2016.7728495
(5) B.F.Zhang, T.Han, G.B.Tang, Q.Z.Zhang, T.Omori, and K.Hashimoto, "Modeling of Lateral SAW Propagation Including Coupling Between Different SAW Modes," Proc. IEEE Ultrason. Symp. (2016) 10.1109/ULTSYM.2016.7728496
(6) R.Nakagawa, T.Suzuki, H.Shimizu, H.Kyoya, and K.Hashimoto, "Influence of electrode materials and structural design on third-order nonlinear signals of SAW devices," Proc. IEEE Ultrason. Symp. (2016) 10.1109/ULTSYM.2016.7728383
(7)[招待] K.Hashimoto, "Advances in RF SAW Devices: What are Demanded?,"
Proc. European Time and Frequency Forum (2016) 10.1109/EFTF.2016.747776
(8) F.Ukaji, C.J.Ahn, T.Omori, and K.Hashimoto, “Performance Enhancement with
Applying FSS and ASB Method for MU-MIMO,” IEEE International Conference
on Industrial Technology (2016) 10.1109/ICIT.2016.7474864
2015
(a) Refereed Journal Papers
(1) M.Sumisaka, K.Yamazaki, S.Fujii, G.Tang, T.Han, Y.Suzuki, S.Otomo, T.Omori,
and K.Hashimoto, “Sputter Deposition of ScAlN Using Large Size Alloy Target
with High Sc Content and Reduction of Sc Content in Deposited Films,” Jpn.
J. Appl. Phys., 54, 7 (2015) 07HD06-1~4.
(2) R.Kodaira, T.Omori, K.Hashimoto, H.Kyoya, and R.Nakagawa, “Considerations
on Nonlinearity Measurement with High Signal-to-Noise Ratio for RF SAW/BAW
Devices,” Jpn. J. Appl. Phys., 54, 7 (2015) 07HD14-1~2
(3) R.Nakagawa, H.Kyoya, H.Shimizu, T.Kihara, and K.Hashimoto, “Study on
Generation Mechanisms of Second-Order Non-linear Signals in SAW Devices
and Their Suppression,” Jpn. J. Appl. Phys., 54, 7 (2015) 07HD12-1~6
(4) R.Nakagawa, T.Suzuki, H.Shimizu, H.Kyoya, and K.Hashimoto, “Influence of Electrode Structure to Generation of
Third-Order Non-linearity in SAW Devices,” Jpn. J. Appl. Phys., 54, 7 (2015) 07HD11-1~5
(5) Q.Z. Zhang, T. Han, J. Chen, W. Wang and K. Hashimoto, “Enhanced Coupling Factor of Surface Acoustic Wave Devices Employing ScAlN/Diamond Layered Structure with Embedded Electrodes,” Diamond Relat. Mater., 58 (2015) pp. 31-34
(6) [Review] K.Hashimoto, T.Kimura, T.Matsumura, H.Hirano, M.Kadota, M.Esashi,
and S.Tanaka, “Moving Tunable Filers Forward: A Heterointegration Research Project for Tunable Filters Combining MEMS
and RF SAW/BAW Technologies,” IEEE Microwave Magazine, 8 (2015) pp.89-97
(b) Conference Proceeding Papers
(1) [招待] K.Hashimoto, M.Sumisaka, K.Yamazaki, S.Fujii, G.B.Tang,
T.Han, Y.Suzuki, S.Otomo, and T.Omori, “Sputter
Deposition of ScAlN Films by Reactive Sputtering Using Large Size ScAl Alloy
Target with High Sc Content -- Impact of Nitridation of Sputtering Target --,”
Proc. Sixth Int’l Symp. on Acoustic Wave Devices for Future Mobile Comm. Systems
(2015) pp.40-45
(2) [招待] R.Nakagawa, T.Suzuki, H.Kyoya, H.Shimizu, T.Kihara,
and K.Hashimoto, “Study on Generation Mechanisms of Second and Third-order
Nonlinearity of SAW Devices,” Proc. Sixth Int’l Symp. on Acoustic Wave Devices
for Future Mobile Comm. Systems (2015) pp.98-109
(3) [招待] G.B.Tang, Q.Z.Zhang, T.Han,
and K.Hashimoto, “Enhancement of
Elecctromechanical Coupling Factor of Surface Acoustic Wave Devices by Mass
Loading,” Proc. Sixth Int’l Symp. on Acoustic Wave Devices for Future
Mobile Comm. Systems (2015) pp.116-120
(4) R.Nakagawa, T.Suzuki,
H.Shimizu, H.Kyoya, and K.Hashimoto, “Study on Generation Mechanisms of Third-Order
NonLinearity in SAW Devices,” Proc. IEEE Ultrason. Symp. (2015) 54-1~4
(5)T.Omori, S.Ohara,
C.J.Ahn, and K.Hashimoto, “Study of Power Durability Measurement of RF SAW
Devices for IEC Standardization,” Proc. IEEE Ultrason. Symp. (2015) 90-1~4
(6) Q.Z.Zhang, T.Han, G.B.Tang, J.Chen, and K.Hashimoto, “SAW Characteristics
of AlN/SiO2/3C-SiC
Layered Structure with Embedded Electrodes,” Proc. IEEE Ultrason. Symp. (2015) 116-1~4
(7) A.Kochhar, T.Suzuki, Y.Yamamoto,
A.Teshigahara, K.Hashimoto, S.Tanaka, and M.Esashi, “Characterization
of Thin ScAlN Film based Natural Single Phase Unidirectional SAW Transducers
using Sagnac Interferometer,” Proc. IEEE Ultrason. Symp. (2015) 138-1~4
(8) G.B.Tang, T.Han, J.Chen,
T.Omori, and K.Hashimoto, “Thin Plate Model for Transverse Mode Analysis of
Surface Acoustic Wave Devices,” Proc. IEEE Ultrason. Symp. (2015) 457-1~4
(9) S.Fujii, M.Sumisaka, G.B.Tang,
Y.Suzuki, S.Otomo, T.Omori, and K.Hashimoto, “Highly C-Axis-Oriented ScAlN Thin
Films Deposited Using Sc-Al Alloy Target,” Tech. Digest, IEEE Microwave Conf.
(2015) TH3D-2-1~4
(10) A.Kochhar,
Y.Yamamoto, A.Teshigahara, K.Hashimoto, S.Tanaka, and M.Esashi, “NSPUDT Using
C-axis Tilted ScAlN Thin Film,” Proc. IEEE Freq. Contr. Symp. (2015) pp. 633-636
(11) K.Sakamoto,
T.Omori, J.Kushibiki, S.Matsuda, and K.Hashimoto, “Evaluation of Elastic
Properties of SiO2 Thin
Films by Ultrasonic Microscopy,” Proc. IEEE Freq. Contr. Symp. (2015) pp.793-796
(12) G.Tang, T.Han, A.Teshigahara, T.Iwaki, and K.Hashimoto, “Enhancement of Effective
Electromechanical Coupling Factor by Mass Loading in Layered SAW Device
Structures,” Proc. IEEE Freq. Contr. Symp. (2015) pp. 416-419
2014
(a) Refereed Journal Papers
(1) J.S.Liu, T.Omori, C.J.Ahn, and K.Hashimoto, “Design and Simulation of Coupled Resonator Filters Using Periodically Slotted
Electrodes on FBARs,” IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 61,
5 (2014) pp. 881-885
(2) H.Oka, C.J.Ahn, T.Omori
and K.Hashimoto, “IQ Imbalance Estimation
and Compensation
Schemes based on Time Frequency Interferometry for OFDM”, Trans.
on Emerging Telecommunications Technologies, doi:10.1002/ett.2852, 2014
(3) N.Yoda, C.J.Ahn and K.Hashimoto, “Single Symbol Decodable QO-STBC with
Full Diversity,” IEICE Trans. Fundamentals, E57-A, 1 (2014) pp. 1-6
(4) C.J.Ahn,
I.C.Jong, T.Omori and K.Hashimoto, “Maritime VHF Communications with
Polarization Diversity over a Rician Channel,,” Wiley International Journal of
Communication Systems, 27, 10 (2014) pp. 2443–2451
(5)T.Sakaue, C.J.Ahn,
T.Omori and K.Hashimoto, “Time Domain Replica Signal Based Interference Compensation for SP-MIMO/OFDM
with Large Delay Spread Channel,” International Journal of Distributed
Systems and Technologies (IJDST), 5, 4 (2014) pp.1-17
(b) Conference Proceeding Papers
(1) T.Omori, S.Nishiuma, K.Seo, C.J.Ahan, and K.Hashimoto, “Flexible RF One-Chip Active Flter Based on Recursive Architecture in UHF
range,” Proc. Asia-Pacific Microwave Conf. (2014) pp.1309-1311
(2) H.Oka, C.J.Ahn, T.Omori and K.Hashimoto, “IQ Imbalance and Carrier Frequency
Offset Compensation Schemes for TFI-OFDM,” Proc. of IEEE International
Symp. on Intelligent Signal Processing and Communication Systems (2014)
pp.17-22
(3) Y.Fujii, C.J.Ahn, T.Omori and K.Hashimoto, “PAPR Reduction for Visible
Light Communication OFDM using FSS and PPS,” Proc. of IEEE Asia-Pacific
Conference on Communications (2014) pp.1-5
(4) K.Hashimoto,
“Generation Mechanisms of Second-Order Nonlinearity in Surface Acoustic Wave
Devices,” Proc. IEEE Ultrason. Symp. (2014) pp.791-794
(5) [招待]
R.Takayama, H.Nakanishi, and K.Hashimoto, “Power Durable Electrode Metallization:
Material Choice, Failure Mode, and Characterization,” Proc. IEEE Ultrason. Symp. (2014) pp. 886-892
(6) K.Sakamoto,
S.Suzuki, T.Omori, K.Hashimoto, J.Kushibiki, and S.Matsuda, “Characterization
of Elastic Properties of SiO2 Thin Films by Ultrasonic Microscopy,” Proc. IEEE Ultrason. Symp. (2014) pp.893-896
(7) H.Hirano,
T.Samoto, T.Kimura, M.Inaba, K.Hashimoto, T.Matsumura, K.Hikichi, M.Kadota, M.Esashi,
and S.Tanaka, “Bandwidth-Tunable SAW Filter Based on Wafer-level Transfer-Integration
of BaSrTiO3 Film for Wireless LAN System using TV White Space,” Proc. IEEE Ultrason. Symp. (2014) pp.803-806
(8) T.Kimura,
H.Kobayashi, Y.Kishimoto, H.Kato, M.Inaba, K.Hashimoto, T.Matsumura, H.Hirano,
M.Kadota, M.Esashi, and S.Tanaka, “Bandwidth-Tunable Filter Consisting of SAW
Resonators and BaSrTiO3 Varactors Directly Fabricated on a LiTaO3
Wafer,” Proc. IEEE Ultrason. Symp. (2014) pp.795-798
(9) G.Zhang,
A.Anand, K.Hikichi, S.Tanaka, M.Esashi, K.Hashimoto, S.Taniguchi, and R.K.Pokharel,
“A 1.9 GHz Low Phase Noise Complementary Cross-coupled FBAR-VCO with Wafer to
Wafer Integration,” Proc. European Microwave Integrated Circuit Conference (2014)
pp. 253-256
(10) K.Hashimoto
and T.Omori, “Phase-sensitive and Fast-Scanning Laser Probe System for Radio Frequency
Surface/Bulk Acoustic Wave Devices,” Proc. European Time and Frequency Forum
(2014) pp.56-59
(11) K.Hashimoto, S.Kawachi, A.Takahashi, S.Sakamoto, and T.Omori, “Laser Probe
System for 5 GHz SAW/BAW Devices,” Proc. IEEE Freq. Contr. Symp. (2014)
pp.321-324
(12) [招待] K.Hikichi, M.Ueda, S.Taniguchi, K.Seiyama, M.Esashi,
K.Hashimoto, and S.Tanaka, “FBAR-IC Integration by Wafer-level Selective Device
Transfer,” Proc. IEEE Freq. Contr. Symp. (2014) pp. 246-249
(13) S.Fujii, S.Shimizu, M.Sumisaka, Y.Suzuki, S.Otomo, T.Omori and K.Hashimoto,
“Deposition of Highly C-Axis Oriented ScAlN Thin Films by RF Magnetron
Sputtering Using Sc-Al Alloy Target,” Proc. IEEE Freq. Contr. Symp. (2014)
pp. 350-353
2013
(a) Refereed Journal Papers
(1) G.Zhang,
A.Kochhar, K.Yoshida, S.Tanaka, K.Hashimoto, M.Esashi, and R.K.Pokharel “A Low Phase Noise FBAR Based Multiband VCO Design,” IEICE Elex, 10, 13 (2013) pp.1-6
(2) G.Zhang,
A.Kochhar, K.Yoshida, S.Tanaka, K.Hashimoto, M.Esashi, and R.K.Pokharel “The
Methods of Maintaining Low Frequency Stability in FBAR Based Cross-coupled VCO
Design,” IEICE Elex, 10, 12 (2013) pp.1-7
(3) W.Zhu,
A.Leto, K.Hashimoto, and G.Pezzotti, “Evaluation
of Critical Stress Intensity for Crack Initiation and Rising R-Curve Behavior in
Wurtzitic AlN Film Grown
on (001)Si Substrate,” Thin Solid Fims, 537 (2013) pp.176-179
(4) M.Inaba,
T.Omori and K.Hashimoto, “A Configuration of Widely Tunable Surface Acoustic
Wave Filter,” Jpn. J. Appl. Phys., 52,
7 (2013) 07HD05-1~4
(5) S.Fujii, T.Odawara,
H.Yamada, T.Omori, K.Hashimoto, H.Torii, H.Umezawa, and S.Shikata, “Low Propagation Loss in a
One-Port SAW Resonator Fabricated on Single-Crystal Diamond for Super High
Frequency Applications,” IEEE Trans. Ultrason.,
Ferroelec., and Freq. Contr., 60, 5 (2013) pp.986-992
(6) S.Matsuda, M.Miura,
T.Matsuda, M.Ueda, T.Satoh, and K.Hashimoto, “Correlation Between Propagation
Loss and Silicon Dioxide Film Properties for Surface Acoustic Wave Devices,” IEEE Trans. Ultrason.,
Ferroelec., and Freq. Contr., 60, 5 (2013) pp.993-997
(7) [招待論文] 上田政則,井上将吾,堤潤,岩城匡郁,水戸部整一,西原時弘,佐藤良夫,橋本研也,“高周波弾性波デバイスの非線形特性解析と高線形化,” 電子情報通信学会論文誌A, J96-A, 6
(2013) pp. 309-317
(8) 藤井隆将,佐藤修平,大森達也,橋本研也,梅澤仁,鹿田真一,勅使河原明彦,加納一彦, “ScAlN/単結晶ダイヤモンド構造を用いたSHF帯広帯域SAWデバイス,” 電子情報通信学会論文誌A, J96-A, 6
(2013) pp. 351-356
(9) 藤井隆将,佐藤修平,大森達也,橋本研也,梅澤仁,鹿田真一,勅使河原明彦,加納一彦, “ScAlN/単結晶ダイヤモンド構造を用いたSHF帯広帯域SAWデバイス,” 電子情報通信学会論文誌A, J96-A, 6
(2013) pp. 351-356
(10) S.Soejima, Y.Ida, C.-J.Ahn, T.Omori, and K.Hashimoto, “Fast Fading Compensation
Based on Weighted Channel Variance for TFI-OFDM,” Journal of Signal Processing, 17, 3 (2013) pp.
41-49
(11) J.-S.Liu,
T.Omori, C.-J.Ahn, and K.Hashimoto, “Impact of Surface Periodic Grating on Film
Bulk Acoustic Resonator Structures to Spurious Transverse Resonances,” J. Appl.
Phys., 113 (2013) 144507-1~5
(12) K.Hashimoto, S.Sato, A.Teshigahara, T.Nakamura, and K.Kano, “High
Performance Surface Acoustic Resonators in 1-3 GHz Range Using ScAlN/6H-SiC
Structure,” IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 60, 3 (2013) pp. 637-642
(13) H.Hirano, T.Kimura, I.P.Koutsaroff, M.Kadota, K.Hashimoto, M.Esashi,
and S.Tanaka, “Integration of BST Varactors with Surface Acoustic Wave
Device by Film Transfer Technology for Tunable RF Filters,” Journal of
Micromechanics and Microengineering, 23 (2013) 025005
(b) Conference Proceeding Papers
(1) M.Inaba,
K.Hashimoto, and T.Omori, “A Widely Tunable Filter Configuration Composed of RF
HighQ Resonators and Variable Capacitors,” Proc. European Microwave Integrated
Circuit Conference (2013) pp.320-323
(2) T.Omori,
S.Nishiuma, K.Seo, C.J.Ahan, K.Hashimoto, and M.Kamata, “Integrated
RF Tunable Filter Based on Recursive Architecture and its Application,” Proc. European Microwave
Integrated Circuit Conference (2013) pp.548-551
(3) S.Matsuda,
M.Miura, T.Matsuda, M.Ueda, Y.Satoh, and K.Hashimoto, “Acoustic Loss Mechanism in
Silicon Dioxide Films for Temperature Compensated Surface Acoustic Wave Devices,”
Proc. IEEE Ultrason. Symp. (2013) pp.1057-1060
(4) A.Konno, M.Sumisaka, A.Teshigahara, K.Kano, K.Hashimoto, H.Hirano, M.Esashi, M.Kadota,
and S.Tanaka, “ScAlN Lamb Wave Resonator in GHz Range Released by XeF2 Etching,” Proc. IEEE Ultrason. Symp. (2013) pp.1376-1381
(5) K.Hashimoto, “Clinton Sylvester Hartmann: His Achievements and Our Unwritten Stories,” Proc. IEEE Ultrason. Symp. (2013) pp.1386-1389
(6) K.Hashimoto, “A Reduced Model for Fast and Accurate Simulation of
Surface Acoustic Wave Devices,” Proc. IEEE Ultrason.
Symp. (2013) pp.1399-1402
(7) J.S.Liu,
T.Omori, C.J.Ahn, and K.Hashimoto, “Impact of Surface Periodic
Grating on FBAR Structures to Spurious Transverse Resonances,” Proc. IEEE Ultrason.
Symp. (2013) pp.1957-1960
(8) S.Fujii, H.Yamada,
T.Omori, K.Hashimoto, H.Torii, H.Umezawa, and S.Shikata, “One-port SAW
Resonators Fabricated on Single-Crystal Diamond,” Tech. Digest, International Microwave Symp. (2013) TU-1D6-1~4
2012
(a) Refereed Journal Papers
(1) C.J.Ahn, T.Omori, and K.Hashimoto, “Maritime VHF Communications with Polarization
Diversity Over a Rician Channel," International Journal of Communication
Systems, DOI: 10.1002/dac.2474 (2012)]
(2) H.L.Wang, H.Zhong, Y.Shi, T.Omori, C.J.Ahn,
and K.Hashimoto, “Design of SAW Ladder Type Filters with Constant Group Delay,”
IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 59, 12 (2012) pp. 2813-2817
(3) W.Zhu, A.Leto, K.Hashimoto, and G.Pezzotti, “Raman Spectroscopic Calibrations
of Phonon Deformation Potentials in Wurtzitic AlN,” J. Appl. Phys., 112
(2012) 103256-1~5
(4) H.Nakanishi, H.Nakamura, T.Tsurunari, J.Fujiwara, Y.Hamaoka, and K.Hashimoto,
“Transverse-mode Spurious Suppression Technique for SAW Resonator with
Zero Temperature Coefficient of Frequency on a SiO2/Al/LiNbO3 Structure,” Jpn. J. Appl. Phys., 51, 7 (2012) 07GC15-1~4.
(5) R.Takayama, H.Nakanishi, R.Goto, T.Satoh, and Kenya Hashiomto, "Study
of Relationship between Cut angle of Substrate and Characteristics of Surface
Acoustic Wave Resonators with Shape-controlled SiO2," Jpn. J. Appl. Phys., 51, 7 (2012) 07GC16-1~5.
(6) H.L.Wang,
H.Zhong, Y.Shi, and K.Hashimoto, “Design of Narrow Bandwidth Elliptic Type SAW/BAW Filters,” Electronics Letters, 48, 10 (2012) pp. 539-540.
(7) T.Yasue, T.Komatsu, N.Nakamura, K.Hashimoto, M.Esashi and S.Tanaka,
"Wideband Tunable Love Wave Filter Using Electrostatically-Actuated
MEMS Variable Capacitors Integrated on Lithium Niobate," Sensors &
Actuators: A, 188 (2012) pp. 456-462
(8) S.Matsuda, M.Hara, M.Miura, T.Matsuda, M.Ueda, Y.Satoh, and K.Hashimoto,
"Use of Fluorine Doped Silicon Oxide for Temperature Compensation
of Radio Frequency Surface Acoustic Wave Devices," IEEE Trans. Ultrason.,
Ferroelec., and Freq. Contr., 59, 1 (2012) pp. 135-138.
(9) C.J.Ahn, D.Har, T.Omori, and K.Hashimoto, "Resource Allocation
of Adaptive Subcarrier Block with Frequency Symbol Spreading for OFDMA,"
Elsevire Digital Signal Processing, 22, (2012) [to be published].
(10) J.Chen, J.S.Liu, K.Hashimoto, T.Omori, C.J.Ahn, X.Y.Zhao, and H.S.Luo, "Ultra-Wideband Surface Acoustic Wave
Resonator Employing Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 Crystals," Appl. Phys. Lett., 100 (2012) 022903-1~3.
(b) Conference Proceeding Papers
(1) H.Hirano,
T.Kimura, I.P.Koutsaroff, M.Kadota, K.Hashimoto, M.Esashi, and S.Tanaka, “Integration of BST Varactors
on Lithium Niobate by Film Transfer Technology for Tunable SAW Filters,” Proc.
2012 Int’l Symp. on Acoustic Wave Devices for Future Mobile Comm. Systems
(2012) pp.41-44
(2) A.Konno, H.Hirano, M.Inaba, K.Hashimoto, M.Esashi, and
S.Tanaka, “Tunable
SAW Filter Using Integrated MEMS-based Varactors Made of Electroplated
Gold,” Proc. 2012 Int’l Symp. on
Acoustic Wave Devices for Future Mobile Comm. Systems (2012) pp.45-48
(3) K.Hashimoto,
T.Fujii, S.Sato, T.Omori, A.Teshigahara,
K.Kano, H.Umezawa, and S.Shikata, “ScAlN: A New Piezoelectric Thin Film for SAW Filter
and Sensor Applications in Multi GHz Range,” Proc. 2012 Int’l Symp. on Acoustic Wave Devices
for Future Mobile Comm. Systems (2012) pp.113-118
(4) S.Fujii, H.Yamada, T.Omori,
K.Hashimoto, H.Torii, H.Umezawa, and
S.Shikata, “High Frequency SAW Devices Using a Single Crystal Diamond,”Proc. 2012 Int’l Symp. on Acoustic Wave Devices for Future Mobile Comm.
Systems (2012) pp.119-124
(5) S.Matsuda,
M.Miura, T.Matsuda, M.Ueda, Y.Satoh, and K.Hashimoto, “Investigation of the
Propagation Loss for the Temperature Compensated SAW Devices,” Proc. 2012 Int’l Symp. on
Acoustic Wave Devices for Future Mobile Comm. Systems (2012) pp. 125-130
(6) [Invited] A.Teshigahara, K.Hashimoto,
and M.Akiyama, “Scandium Aluminum Nitride: Highly Piezoelectric Thin Film for
RF SAW Devices in Multi GHz Range,” Proc. IEEE Ultrason. Symp. (2012) pp. 1917-1921
(7) K.Hashimoto,
T.Fujii, S.Sato, T.Omori, C.Ahn, A.Teshigahara, K.Kano, H.Umezawa, and S.
Shikata “High Q Surface Acoustic Wave Resonators in 2-3 GHz Range Using ScAlN/Single
Crystalline Diamond Structure,” Proc. IEEE Ultrason. Symp. (2012) pp. 1926-1929
(8) S.Matsuda, M.Miura, T.Matsuda, M.Ueda, Y.Satoh, and
K.Hashimoto, “Correlation Between Fluorine Doped SiO2 Films Properties and the Propagation Loss for Temperature Compensated
SAW Devices,” Proc. IEEE Ultrason. Symp. (2012)pp.1256-1259
(9) K.Geshi,
K.Teraoka, Y.Tsuji, A.Fujii, Y.Imagawa, S.Nakayama, K.Hashimoto, S.Tanaka, K.Totsu,
and H.Takagi, “Wafer Bonding of Polycrystalline Spinel with LiNbO3/LiTaO3
for Temperature Compensation of RF Surface Acoustic Wave Devices,” Proc. IEEE Ultrason. Symp. (2012) pp.2736-2729
(10) A.Kochhar, T.Matsumura, R.Pokharel, K.Hashimoto, M.Esashi, and S.Tanaka, “Monolithic Fabrication of Film Bulk Acoustic
Resonators above Integrated Circuit by Adhesive-Bonding-Based Film Transfer,”
Proc. IEEE Ultrason. Symp. (2012) pp.1047-1050
(11) T. Omori, N. Matsuoka, C. Ahn, and K. Hashimoto, “Dual-T
SAW Tunable Band Elimination Filter and its Application to Wideband UHF VCSO,” Proc. IEEE Ultrason. Symp. (2012) pp.1778-1781
(12) J.Chen,
J.Liu, K.Hashimoto, T.Omori, and C.Ahn, “Ultra-Wideband Surface
Acoustic Wave Resonators Using Pb(Mn1/3Nb2/3)O3-PbTiO3
Single Crystals,” Proc. IEEE Ultrason. Symp. (2012) pp. 559-562
(13) K.Hashimoto,
S.Sato, A.Teshigahara, T.Nakamura, and K.Kano, “High Performance Surface
Acoustic Resonators in 1-3 GHz Range Using ScAlN/6H-SiC Structure”, Tech.
Digest, International Microwave Symp. (2012) TU1B-5-1~3
(14) [Invited] K.Hashimoto, H.Hirano, S.Tanaka, and M.Esashi, “Functional RF Devices Powered by MEMS
Technologies”, Advances in Science and Technology, 81 (2013) pp 75-83
(15) [Invited] K.Hashimoto, S.Fujii, S.Shikata, A.Teshigahara, and K.Kano, “New Materials Extending SAW
Device Capabilities”, Proc. Microwave Materials and their Applications Conference (2012) B104-1~2
(16) C.J.Ahn, T.Omori, and K.Hashimoto, "Heterogeneous constellation
based QOSTBC for improving detection property of QRD-MLD," Proc. of IEEE International Conference on Consumer Electronics
(ICCE2012) (2012) pp.317-318.
(17) K.Hashimoto, T.Omori, and C.J.Ahn, “Modification of Scalar
Potential Theory for Surface Acoustic Wave Devices to Take Slowness Asymmetry
into Account,” AIP Conf. Proc., 1433 (2012) pp. 271-275.
(c) Books
(1) K.Hashimoto and T.Omori, "Surface Acoustic Wave Devices,"
in Ultrasonic Transducers: Materials, Design and Applications, edited by
K.Nakamura and S.Ueha (Woodhead Publishing, 2012) pp. 331-373
2011
(a) Refereed Journal Papers
(1) H.Nakamura, H.Nakanishi, R.Goto, and K.Hashimoto, "Suppression
of Transverse-Mode Spurious Responses by Selectively SiO2 Removing Technique for SAW Resonators
on a SiO2/Al/LiNbO3 Structure", IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 58, 10 (2011) pp. 2188-2193.
(2) S.Matsuda, M.Hara, M.Miura, T.Matsuda, M.Ueda, Y.Satoh, and K.Hashimoto, "Correlation Between Temperature Coefficient of Elasticity and Fourier Transform Infrared Spectra of Silicon Dioxide Films for Surface Acoustic Wave Devices," IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 58, 8 (2011) pp.1684-1687.
(3) H.Nakanishi, H.Nakamura, T.Tsurunari, J.Fujiwara, Y.Hamaoka, and K.Hashimoto,
"Zero Temperature Coefficient of Frequency Surface Acoustic Wave Resonator
for Narrow Duplex Gap Application on SiO2/Al/LiNbO3 Structure," Jpn. J. Appl. Phys., 50, 7 (2011) 07HD13-1~4
(4) S.Matsuda, M.Miura, T.Matsuda, M.Ueda, Y.Satoh, and K.Hashimoto, "Experimental Studies of Quality Factor Deterioration in Shear-Horizontal-Type Surface Acoustic Wave Resonators Caused by Apodization of an Interdigital Transducer," Jpn. J. Appl. Phys., 50, 7 (2011) 07HD14-1~3
(10) 中村暢之,小松禎也,大森達也,橋本研也,山口正恆, "広帯域ラダー型SAWフィルタの動的温度補償の検討," 電気学会論文誌C, 131, 6 (2011) pp. 1181-1185
(11) [Invited] K.Hashimoto, "Demands of Highly Piezoelectric Materials for Radio Frequency Acoustic Wave Devices," Physica Status Solidi, A, 208, 5 (2011) pp.1084-1092.
(12) Y.L.Wang, K.Hashimoto, T.Omori, and M.Yamaguchi, "Analysis of Piezoelectric
Boundary Acoustic Wave in Cu electrode/Y-Cut X-Propagating LiNbO3 Substrate
Structure Partially Covered with SiO2," IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 58, 3 (2011) pp. 611-615.
(13) K.Hashimoto, "Theoretical Considerations on Influenceof Circuit Impedance to IMD2 Measurement of Radio Frequency Bulk Acoustic Wave Resonators," IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 58, 3 (2011) pp.671-674.
(14) J.Chen, H.Wang, K.Hashimoto, T.Omori, C.J.Ahn, X.Y.Zhao, and H.S.Luo, "Theoretical Analysis of Ultrahigh Electromechanical
Coupling Surface Acoustic Wave Propagation in PIN-PMN-PT Crystals," J. Appl. Phys., 109 (2011) 054104-1~3.
(15) F.Thalmayr, K.Hashimoto, M.Ueda, T.Omori, and M.Yamaguchi, "Simplified Boundary Modeling for Resonating Structures by Scattering Analysis," Jpn. J. Appl. Phys., 50, 2 (2011) 020211-1~3.
(16) K.Hashimoto, N.Wu, K.Kashiwa, T.Omori, M.Yamaguchi, O.Takano,
S.Meguro, and K.Akahane, "A Laser Probe Based on Sagnac Interferometer with Fast Mechanical Scan for RF Surface and Bulk Acoustic Wave Devices", IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 58, 1 (2011) pp.187-194.
(b) Conference Proceeding Papers
(1) [Invited] K.Hashimoto, M.Kadota, T.Nakao, M.Ueda, M.Miura, H.Nakamura, H.Nakanishi,
and K.Suzuki, "Recent Development of Temperature Compensated SAW
Devices," Proc. IEEE Ultrason. Symp. (2011) pp.79-86.
(2) H.Nakamura,
H.Nakanishi, R.Goto, K.Hashimoto, "Suppression Mechanism of Transverse-Mode Spurious
Responses in SAW Resonators on a SiO2/Al/LiNbO3 Structure," Proc. IEEE
Ultrason. Symp. (2011) pp.543-546.
(3) H.L.Wang, T.Omori, and K.Hashimoto, "Design of SAW Ladder Type Filters
with Constant Group Delay," Proc. IEEE Ultrason. Symp. (2011) pp. 345-348.
(4) H.Nakanishi, H.Nakamura, T.Tsurunari, J.Fujiwara,
Y.Hamaoka, and K.Hashimoto, "Suppression of Transverse-Mode Spurious Responses for
Zero Temperature Coefficient of Frequency SAW Resonator on a SiO2/Al/LiNbO3 Structure," Proc. IEEE Ultrason. Symp. (2011) pp.72-75.
(5) T.Omori, T.Suyama, K.Shimada, M.Yamaguchi, and K.Hashimoto, "Theoretical
Considerations on Suppression Mechanisms of Spurious Transverse-Mode Resonances
in Wideband SAW Resonators on LiNbO3," Proc. IEEE Ultrason. Symp. (2011) pp.830-834.
(6) M.Mayer, T.Ebner, K.Wagner, and K.Hashimoto, "Transversal Mode Orthogonality in SAW Waveguides with Transversally Varying Slowness Anisotropy within the Scalar Field Approximation," Proc. IEEE Ultrason. Symp.
(2011) pp.337-340.
(7) S.Fujii, T.Odawara, T.Omori, K.Hashimoto, H.Torii, H.Umezawa, and S.Shikata,
"Low Propagation Loss in the One-Port Resonator Fabricated on Single-Crystal
Diamond," Proc. IEEE Ultrason. Symp. (2011) pp.555-558.
(8) S.Matsuda, M.Hara, M.Miura,
T.Matsuda, M.Ueda, Y.Satoh,
and K.Hashimoto, "Application of Fluorine Doped SiO2 Films for Temperature Compensated SAW Devices," Proc. IEEE Ultrason. Symp. (2011) pp.76-78
(9) K.Hashimoto, T.Omori, and C.J.Ahn, "Extension of Scalar Potential
Formalism for Transverse Mode Analysis of Surface Acoustic Wave Resonators,"
Proc. IEEE Ultrason. Symp. (2011) pp.333-336.
(10) K.Hashimoto, T.Omori, and C.J.Ahn, "Modification
of Scalar Potential Theory for Surface Acoustic Wave Devices to Take Slowness
Asymmetry into Account," Proc. International Congress of Ultrasonics (2011) [to be published]
(11) T.Yoshimura,
C.J.Ahn, T.Omori, and K.Hashimoto, "Path-selection based adaptive guard interval for TFI-OFDM system, Proc. of
IEEE International technical conference of Region 10 (TENCON 2011) (2011) pp.947-951.
(12) S.Soejima, Y.Ida, C.J.Ahn, T.Omori, and K.Hashimoto, "Non-linear channel
compensation method for OFDM under fast fading channel," Proc. of
IEEE International technical conference of Region 10 (TENCON
2011) (2011) pp.930-933.
(13) [Invited] K.Hashimoto, S.Tanaka and M.Esashi, "Tunable RF SAW/BAW Filters: Dream or Reality?," Proc. IEEE Freq. Contr. Symp. (2011) pp. 965-972.
(14) T.Yasue, T.Komatsu, N.Nakamura, K.Hashimoto,
M.Esashi and S.Tanaka, "Wideband Tunable Love Wave Filter Using Electrostatically-Actuated MEMS Variable Capacitors Integrated on Lithium Niobate," Proc. Transducers 2011 (2011) pp. 1488-1491.
(c) Books
(1) 橋本研也,大森達也, "2.7マイクロアクチュエータ用高効率弾性表面波変換器の開発," アクチュエータ研究開発の最前線, 樋口俊郎,大岡昌博編(エヌ・ティー・エス,東京, 2011)pp. 200-206
2010
(a) Refereed Journal Papers
(1) F.Thalmayr, K.Hashimoto, T.Omori, and M.Yamaguchi, "Plate Mode Propagation Losses in Solidly Mounted Resonators", IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 57, 12 (2010) pp.
2844-2849.
(2) Y.Wang, F.Thalmayr, N.Wu, and K.Hashimoto, "Considerations on Measurement Setup for Second-Order Nonlinearity in
Radio-Frequency Bulk Acoustic Wave Duplexers", IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 57, , 12 (2010) pp. 2844-2849.
(3) [Invited] K.Hashimoto, N.Wu, K.Kashiwa, T.Omori, and M.Yamaguchi, "Phase-Sensitive and Fast-Scanning Laser Probe System for RF SAW/BAW Devices", Proc. IUTAM Symp. of Acoustic Waves in Solids, 26, 4 (2010) pp. 235-245
(4) N.Wu, K.Hashimoto, T.Omori, and M.Yamaguchi, "A Multiple-Scan Focusing Method for RF BAW Device
Observation by Laser Probe System," Jpn. J. Appl. Phys., 49, 7 (2010) 07HD10-1~4
(5) F.Thalmayr, K.Hashimoto, M.Ueda, T.Omori, and M.Yamaguchi, "Quantitative Analysis of Power Leakage in an FBAR Device at the Anti-Resonance Frequency," Jpn. J. Appl. Phys., 49, 7 (2010) 07HD11-1~5
(6) M.Ueda, M.Iwaki, T.Nishihara,
Y.Satoh, and K.Hashimoto, "Nonlinear Distortion of Acoustic Devices for Radio-Frequency
Front-End Circuit and Its Suppression," Jpn. J. Appl. Phys., 49, 7 (2010) 07HD12-1~5
(7) H.Nakamura, H.Nakanishi, R.Goto, K.Hashimoto, and
M.Yamaguchi, "Analysis of Rayleigh-mode Spurious using FEM/SDA
for SAW Resonator on non-flat SiO2/Al/LiNbO3 Structure," Jpn. J. Appl. Phys., 49, 7 (2010) 07HD20-1~5
(8) T.Komatsu, K.Hashimoto, T.Omori, and M.Yamaguchi, "Tunable Radio Frequency
Filters Using Acoustic Wave Resonators and Variable Capacitors," Jpn. J. Appl. Phys., 49, 7 (2010) 07HD24-1~4
(9) T.Murata, M.Kadota, K.Matsuda, T.Kimura and K.Hashimoto, "The Improvement
of Temperature Characteristics and Bandwidth for Highly Coupled ZnO/Quartz
Structure," Jpn. J. Appl. Phys., 49, 7 (2010) 07HD25-1~4
(10) K.Hashimoto, N.Wu, T.Omori, and M.Yamaguchi, "Phase-Sensitive and Fast-Scanning Laser Probe
System for Diagnosis of High Frequency Acoustic Wave Devices", Procedia
Engineering 5 (2010) 846–849
(11) F.Thalmayr, K.Hashimoto, T.Omori and M.Yamaguchi, "Frequency Domain Analysis of Lamb Wave Scattering and Application to Film
Bulk Acoustic Wave Resonators," IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 57, 7 (2010) pp. 1641-1647
(12) K.Hashimoto, T.Miyamoto, K.Shimada, T.Omori and M.Yamaguchi "A Wideband Multi-Mode
SAW Filter Employing Pitch Modulated IDTs on Cu-Grating/15oYXLiNbO3-Substrate Structure," IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 57, 5 (2010) pp.
1183-1187
(13) F.Thalmayr, K.Hashimoto, T.Omori and M.Yamaguchi, "Power Deduction from Surface Fields in Multilayer Waveguides", IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 57, 2 (2010)
pp.405-411
(14) Y.L.Wang, K.Hashimoto, T.Omori and M.Yamaguchi, "Change in Piezoelectric Boundary Acoustic Wave Characteristics with Overlay
and Metal Grating Materials," IEEE Trans. Ultrason., Ferroelec., and
Freq. Contr., 57, 1 (2010) pp. 16-22
(b) Conference Proceeding Papers
(1) [Invited] Y.Wang, F.Thalmayr, N.Wu, and K.Hashimoto, "Considerations on Measurement Setup for Second-Order Nonlinearity in Radio-Frequency Bulk Acoustic Wave Duplexers", Proc. Fourth Int'l Symp. on Acoustic Wave Devices for Future Mobile Comm.
Systems (2010) pp. 9-13.
(2) [Invited] N.Wu, K.Hashimoto, K.Kashiwa, T.Omori, and M.Yamaguchi, "Recent Progress in Phase-Sensitive and Fast-Scanning Laser Probe System for RF SAW/BAW Devices", Proc. Fourth Int'l Symp. on Acoustic Wave Devices for Future Mobile Comm.
Systems (2010) pp. 21-27.
(3) [Invited] M.Ueda, M.Hara, T.Yokoyama, T.Sakashita, S.Taniguchi, T.Nishihara, K.Hashimoto
and Y.Satoh, "Development of Radio – Frequency Filters Employing Air-Gap
type Thin Film Bulk Acoustic Resonators," Proc. Fourth Int'l Symp. on Acoustic Wave Devices for Future Mobile Comm.
Systems (2010) pp. 95-100.
(4) [Invited] F.Thalmayr, K.Hashimoto, T.Omori and M.Yamaguchi, "Frequency Domain
Analysis of Lamb Wave Scattering and Application to Film Bulk Acoustic Wave
Resonators," Proc. Fourth Int'l Symp. on Acoustic Wave Devices for Future Mobile Comm.
Systems (2010) pp. 109-114.
(5) [Invited] K.Shimada, T.Miyamoto, K.Hashimoto,
T.Omori and M.Yamaguchi "A Wideband Multi-Mode SAW Filter on Cu-Grating/15oYXLiNbO3-Substrate Structure", Proc. Fourth Int'l Symp. on Acoustic Wave Devices for Future Mobile Comm.
Systems (2010) pp. 175-179.
(6) [Invited] T.Komatsu, N.Nakamura, K.Hashimoto, T.Omori and M.Yamaguchi, "Tunable Radio
Frequency Filters Using Acoustic Wave Resonators and Variable Capacitors," Proc. Fourth Int'l Symp. on Acoustic Wave Devices for Future Mobile Comm.
Systems (2010) pp. 225-229.
(7) [Invited] T.Omori, A.Kobayashi, Y.Takagi, K.Hashimoto and M.Yamaguchi, "Fabrication of SHF Range SAW Devices
on AlN/Diamond Structure," Proc. Fourth Int'l Symp. on Acoustic Wave Devices for Future Mobile Comm.
Systems (2010) pp. 243-247.
(8) C.J.Ahn, T.Omori, and K.Hashimoto, "Resource Allocation
of Adaptive Subcarrier Block with Frequency Symbol Spreading for OFDMA," Proc. of IEEE International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies
(UBICOMM 2010), (2010) pp.151-156.
2009
(a) Refereed Journal Papers
(1) K.Hashimoto, T.Omori and M.Yamaguchi, "Extended FEM/SDA Software for Characterising Surface Acoustic Wave Propagation in Multi-Layered
Structures", IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 56, 11 (2009) pp.2559-2564
(2) N.Wu, K.Kashiwa, K.Hashimoto, T.Omori, M.Yamaguchi and N.Kasai, "Focus
Adjustment System for a Fast-Scanning and Phase-Sensitive Laser Probe for
Radio Frequency Surface and Bulk Acoustic Wave Devices," Jpn. J. Appl.
Phys., 48, 10 (2009) 108002
(3) N.Wu, K.Hashimoto, K.Kashiwa, T.Omori and M.Yamaguchi, "Integrated Software for Image Processing in Radio Frequency Surface and Bulk Acoustic Waves Laser Probe System", Jpn. J. Appl. Phys., 48, 8 (2009) 108002
(4) K.Konishi, A.Omata, T.Omori, K.Hashimoto and Masatsune Yamaguchi, "Experimental
Study of Surface Acoustic Wave Propagation Characteristics on a Slotted
SiO2 Film/Embedded Grating
Electrodes/128oYX-LiNbO3 Structure", Jpn. J. Appl. Phys., 48, 7 (2009) 07GG09
(5) N.Wu, K.Hashimoto, K.Kashiwa, T.Omori and M.Yamaguchi, "Study on the Frequency Dependence of Lateral Energy Leakage in RF BAW Device by Fast-Scanning Laser Probe System", Jpn. J. Appl. Phys., 48, 7 (2009) 07GG01
(6) Y.L.Wang, K.Hashimoto, T.Omori and M.Yamaguchi, "A Full-Wave Analysis of
Surface Acoustic Waves Propagating on a SiO2 Overlay/Metal
Grating/Rotated YX-LiNbO3 Substrate Structure", Jpn. J. Appl. Phys., 48, 7 (2009) 07GG06
(7) T.Murata,
M.Kadota, T.Nakao, K.Matsuda, and K.Hashimoto, "Improvement
of Shape Factor and Loss of Surface Acoustic Wave Resonator Filter Composed of
SiO2/High-Density- Electrode/LiTaO3", Jpn. J. Appl. Phys., 48, 7 (2009) 07GG05
(8) T.Komatsu, Y.Tanaka, K.Hashimoto, T.Omori and M.Yamaguchi, "Design of Narrow Bandwidth Ladder-type Filters with Sharp Transition Bands Using Mutually Connected Resonator Elements",
IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 56, 7 (2009)pp.1451-1456.
(9) Y.L.Wang, K.Hashimoto, T.Omori, and M. Yamaguchi, "Full-Wave Analysis of Piezoelectric Boundary Waves Propagating along Metallic Grating Sandwiched Between Two Semi-Infinite Layers", IEEE Trans. Ultrason., Ferroelec., and Freq. Contr., 56, 4 (2009) pp. 806-811
(10) [Invited] K.Hashimoto, T.Omori and M.Yamaguchi, "Requirements for Piezoelectric Thin Film Applications to Radio Frequency Acoustic Wave Devices", Ferroelectrics, 380 (2009) pp. 73-80
(b) Conference Proceeding Papers
(1) H.Nakamura, R.Goto, K.Seo, H.Nakanishi, K.Hashimoto and M.Yamaguchi, "Rayleigh-mode
Spurious Analysis for Non-flat SiO2/Al/LiNbO3 Structure Using FEM/SDA",
Proc. IEEE Ultrasonics Symposium (2009) pp.803-806.
(2) M.Ueda,
M.Iwaki, T.Nishihara, Y.Satoh
and K.Hashimoto, "Investigation on Nonlinear Distortion of Acoustic Devices for Radio-Frequency Applications and Its Nonlinearity", Proc. IEEE Ultrasonics Symposium (2009) pp. 876-879.
(3) Y.Wang, F.Thalmayr, N.Wu, and K.Hashimoto, "Considerations on Measurement Setup for Second-Order Nonlinearity in Radio-Frequency Bulk Acoustic Wave Duplexers", Proc. IEEE Ultrasonics Symposium (2009) pp.
885-888.
(4) K.Hashimoto, T.Miyamoto,
K.Shimada, T.Omori and M.Yamaguchi "A Wideband Multi-Mode SAW Filter Employing Pitch Modulated IDTs on Cu-Grating/15oYXLiNbO3- Substrate Structure", Proc. IEEE Ultrasonics Symposium (2009) pp. 915-918.
(5) T.Omori, K.Kashiwa, K.Hashimoto and M.Yamaguchi, "Time-Delay
Compensation in
Detection Electronics of Fast Scanning 2D SAW/BAW Laser Probe",
Proc. IEEE Ultrasonics Symposium (2009) pp. 1644-1647.
(6) N.Wu, K.Hashimoto, T.Omori, and M.Yamaguchi, "A Multiple-Scan Focusing Method for RF BAW Device Observation by Laser Probe System", Proc. IEEE Ultrasonics
Symposium (2009) pp.1648-1651.
(7) F.Thalmayr,
K.Hashimoto, T.Omori and M.Yamaguchi "Fast Evaluation of Lamb Wave Scattering by Time Harmonic FEM simulation", Proc. IEEE Ultrasonics Symposium (2009) pp. 2805-2809
(8) Y.L.Wang, K.Hashimoto, T.Omori and M.Yamaguchi, "Change in Piezoelectric Boundary Acoustic Wave Characteristics with Overlay and Metal Grating Materials," Proc. IEEE Frequency Control
Symposium (2009) pp.241-244
(9) N.Wu, K.Kashiwa, K.Hashimoto, T.Omori, M.Yamaguchi and N.Kasai, "Focus Adjustment System for a Fast-Scanning and Phase-Sensitive Laser Probe for Radio Frequency Surface and Bulk Acoustic Wave Devices," Proc. IEEE Frequency Control Symposium (2009) pp.915-918
(c) Books
(1) K.Hashimoto, ed, "RF Bulk Acoustic Filters for Communications" (Artech House, 2009)(c) Books
(1) K.Hashimoto and M.Yamaguchi, "Surface Acoustic Wave Filters",
in Encyclopedia of RF and Microwave Engineering, Vol. 6, edited by K. Chang
(Wiley Interscience, 2005) pp. 5046-5058.
2004
(a) Refereed Journal Papers
(1) K.Hashimoto, T.Omori and M.Yamaguchi, "Design Considerations on Surface
Acoustic Wave Resonators with Significant Internal Reflection in Interdigital
Transducers", IEEE Trans. Ultrason., Ferroelec., and Freq. Contr.,
51, 11 (2004) pp.1394-1403.
(2) K.Hashimoto, H.Asano, T.Omori and M.Yamaguchi, "Ultra-Wideband Surface
Acoustic Wave Devices Using Cu-Grating/Rotated-YX-LiNbO3-Substrate Structure", Jpn. J. Appl. Phys., 43, Part 1, 5B (2004)
pp. 3063-3066.
(b) Conference Proceeding Papers
(1) T.Omori, K.Hashimoto and M.Yamaguchi, "A Position-Detectable Optical
Distributed Vibration Sensor Using an Additional Sub-Loop", Proc.
IEEE Sensor Symp. (2004) pp. 583-586.
(2) H.Hatakeyama, T,Omori, K.Hashimoto and M.Yamaguchi, "Fabrication of SAW Devices Using SEM-Based Electro-Beam Lithography and Lift-Off Technique for Lab Use", Proc. UFFC 50th Ann. Conf. (2004) pp.1896-1900.
(3) K.Hashimoto, H.Asano, K.Matsuda, N.Yokoyama, T,Omori and M.Yamaguchi,
"Wideband Love Wave Filters Operating in GHz Range on Cu-Grating/Rotated-YX-LiNbO3-Substrate Structure", Proc. UFFC 50th Ann. Conf. (2004) pp.1330-1334.
(4) O.Kawachi, S.Mitobe, M.Tajima, T.Yamaji, S.Inoue and K.Hashimoto, "A Low-Loss and Wide-Band DMS Filter Using Pitch-Modulated IDT and Reflector Structures", Proc. UFFC 50th Ann. Conf. (2004) pp. 298-301.
(5) K.Hashimoto, H.Asano, T,Omori and M.Yamaguchi, "Ultra Wideband
Love Wave Devices Employing Cu-Grating/Rotated-YX-LiNbO3-Substrate Structure", Technical Digest, IEEE Microwave Symp. (2004) pp. 917-920.
(6) [Invited] K.Hashimoto, T.Omori and M.Yamaguchi, "Design Concept of Wideband
Longitudinally-Coupled Double-Mode SAW Filters", Proc. Second Int'l
Symp. on Acoustic Wave Devices for Future Mobile Comm. Systems (2004) pp.
251-259.
(7) [Invited] H.Asano, K.Matsuda, N.Yokoyama, K.Hashimoto, T.Omori and M.Yamaguchi,
"Ultra-Wideband Love Wave Devices in GHz Range on Cu-Grating/Rotated-YX-LiNbO3- Substrate Structure", Proc. Second Int'l Symp. on Acoustic Wave
Devices for Future Mobile Comm. Systems (2004) pp. 227-232.
(8) [Invited] T.Omori, K.Hashimoto, and M.Yamaguchi, "Application of Cu Electrodes
to SAW IF Devices", Proc. Second Int'l Symp. on Acoustic Wave Devices
for Future Mobile Comm. Systems (2004) pp. 177-181.
(c) Books
(1) 日本学術振興会弾性波素子技術第150委員会編(分担), "弾性波デバイス技術", 5.1 SAW用基板とモード (オーム社, 2004) pp. 225-234.
2003
(a) Refereed Journal Papers
(1) S.Nakagomi, H.Asano, H.Tanaka, T.Omori, K.Hashimoto and M.Yamaguchi, "Single-Phase Unidirectional Surface Acoustic Wave Transducer Using Cu Electrode", Jpn. J. Appl. Phys., 42, Part 1, 5B (2003) pp. 3152-3156.
(b) Conference Proceeding Papers
(1) K.Hashimoto, T.Omori and M.Yamaguchi, "Application of SAW Devices to Matching Elements in RF Circuits", Proc. IEEE Ultrason. Symp. (2003) pp. 407-410.
(2) J. Wang and K.Hashimoto, "A Two-dimensional Theory for the Analysis of Surface Acoustic Waves in Finite Anisotropic Solids", Proc. IEEE Ultrason. Symp. (2003) pp. 637-640.
(3) T.Yamada, R.Nakagawa, T.Sato, T.Omori, K.Hashimoto and M.Yamaguchi, "Analysis of Dispersion Characteristics of Shear-Horizontal-Type Surface Acoustic Waves under Waveguide Structures", Proc. IEEE Ultrason. Symp. (2003) pp. 1692-1695.
2002
(a) Refereed Journal Papers
(1) R.Nakagawa, T.Yamada, T.Omori, K.Hashimoto and M.Yamaguchi, "Analysis of Excitation and Propagation Characteristics of Leaky Modes in Surface Acoustic Wave Waveguides", Jpn. J. Appl. Phys., 41, Part 1, 5B (2002) pp. 3460-3464.
(2) [Invited] R.Weigel, D.P.Morgan, J.M.Owens, A.Ballato, K.M.Lakin, K.Hashimoto and C.C.W.Ruppel, "Microwave Acoustic Materials, Devices and Applications", IEEE Trans. Microwave Theory & Tech., 50, 3 (2002) pp. 738-749.
(b) Conference Proceeding Papers
(1) K.Hashimoto, T.Omori and M.Yamaguchi, "Design Considerations on Wideband Longitudinally-Coupled Double-Mode SAW Filters", Proc. IEEE Ultrason. Symp, (2002) pp. 153-157.
(5) R.Nakagawa, T.Yamada, T.Omori, K.Hashimoto and M.Yamaguchi, "Analysis of Excitation and Propagation Characteristics of Leaky Modes in SAW Waveguides", Proc. IEEE Ultrason. Symp, (2002) pp. 405-409.
(6) T.Omori, S.Nakagomi, H.Tanaka, H.Asano, K.Hashimoto and M.Yamaguchi, "SAW Reflection Characteristics of Cu Electrodes and their Application to SAW IF Devices", Proc. IEEE Ultrason. Symp, (2002) pp. 19-23.
(c) Books
(1) 田中國昭,脇野喜久男監修(分担), "電子部品大辞典", 1.2.1 電子部品の共通用語 (工業調査会,2002) pp. 55-59
2001
(a) Refereed Journal Papers
(1) O.Kawachi, S.Mineyoshi, G.Endoh, M.Ueda, O.Ikata, K.Hashimoto and M.Yamaguchi,
"Optimal Cut for Leaky SAW on LiTaO3 for High Performance Resonators and Filters", IEEE Trans. Ultrason., Ferroelec. & Freq. Contr., 48, 5 (2001) pp. 1442-1448.
(2) [Invited Paper] K.Hashimoto and M.Yamaguchi, "Excitation and Propagation of Shear-Horizontal-Type Surface and Bulk Acoustic Waves", IEEE Trans. Ultrason., Ferroelec. & Freq. Contr., 48, 5 (2001) pp. 1181-1188.
(3) K.Hashimoto, M.Yamaguchi, G.Kovacs, K.Ch.Wagner, W.Ruile and R.Weigel,
"Effects of Bulk Wave Radiation on IDT Admittance on 42oYX-LiTaO3", IEEE Trans. Ultrason., Ferroelec. & Freq. Contr., 48, 5 (2001) pp. 1419-1425.
(4) S.Kondo, T.Omori, K.Hashimoto and M.Yamaguchi, "Effects of Dielectric Overlay upon Surface Acoustic Wave Propagation under Metallic Grating Structure", Jpn. J. Appl. Phys., 40, 5B (2001) pp. 3759-3761.
(b) Conference Proceeding Papers
(1) K.Hashimoto, T.Omori and M.Yamaguchi, "Modelling of Shear-Horizontal-Type Surface Acoustic Waves and Its Application to COM-Based Device Simulation", Proc. IEEE Ultrason. Symp, (2001) pp. 127-132.
(2) K.Hashimoto, T.Omori and M.Yamaguchi, "Modelling of Shear-Horizontal-Type Surface Acoustic Waves for COM-Based Device Simulation", Proc. Int'l Symp. on Theoretical Electrical Engineering (2001) pp. 555-562.
(3) T.Omori, J.Akasaka, K.Hashimoto and M.Yamaguchi, "Design of Weighted Grating Reflectors for SAW IF Filter Applications", Proc. Int'l Symp. on Theoretical Electrical Engineering (2001) pp. 536-541.
(4) T.Omori, J.Akasaka, M.Arai, K.Hashimoto and M.Yamaguchi, "Optimization of Weighted SAW Grating Reflectors with Minimized Time Delay Deviation", Proc. IEEE Freq. Contr. Symp. (2001) pp. 666-670.
(5) [Invited] K.Hashimoto, T.Omori and M.Yamaguchi, "Recent Progress in Modelling
and Simulation Technologies of Shear Horizontal Type Surface Acoustic Wave
Devices", Proc. Int'l Symp. on Acoustic Wave Devices for Future Mobile
Comm. Systems (2001) pp. 169-178
(6) [Invited] T.Omori, K.Hashimoto and M.Yamaguchi, "PZT Thin Films for SAW and
BAW Devices", Proc. Int'l Symp. on Acoustic Wave Devices for Future
Mobile Comm. Systems (2001) pp. 245-250.
2000
(a) Refereed Journal Papers
(1) T.Omori, M.Tajima, J.Akasaka, K.Hashimoto and M.Yamaguchi, "Design of Weighted Reflectors and Their Application to Surface Acoustic Wave Bandpass Filter", Jpn. J. Appl. Phys. 39, 5B (2000) pp. 3024-3027.
(b) Conference Proceeding Papers
(1) K.Hashimoto, M.Yamaguchi, G.Kovacs, K.Ch.Wagner, W.Ruile and R.Weigel,
"Effects of Bulk Wave Radiation on IDT Admittance on 36oYX-LiTaO3", Proc. IEEE Ultrason. Symp, (2000) pp. 253-258.
(2) T.Omori, T.Suzuki, K.Hashimoto and M.Yamaguchi, "Selective Area Preparation of PZT Discs and their Ultrasonic Applications", Proc. IEEE Ultrason. Symp, (2000) pp. 991-994.
(3) K.Hashimoto, T.Omori and M.Yamaguchi, "Animation of Calculated SAW Propagation Fields under Periodic Grating Structures", Proc. IEEE Freq. Contr. Symp. (2000) pp. 307-310.
(4) T.Omori, M.Tajima, K.Hashimoto, M.Yamaguchi, H.Horiguchi and M.Kadota, "Folded Type SAW Filters with Minimised Group Delay Deviation", Proc. IEEE Freq. Contr. Symp. (2000) pp. 296-300.
(c) Books