Masami TOKUMITSU


InP HEMT Technology for High-Speed Logic and Communications
Tetsuya SUEMITSU  Masami TOKUMITSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/05/01
Vol. E90-C  No. 5  pp. 917-922
Type of Manuscript: Special Section PAPER (Special Section on Fundamentals and Applications of Advanced Semiconductor Devices)
Category: Compound Semiconductor and Power Devices
Keyword: 
HEMTInPcutoff frequencyOEIC
  Summary |  Full Text:PDF (990.8KB)

Novel Fabrication Technology for High Yield Sub-100-nm-Gate InP-Based HEMTs
Hideaki MATSUZAKI  Takashi MARUYAMA  Takatomo ENOKI  Masami TOKUMITSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/07/01
Vol. E89-C  No. 7  pp. 949-953
Type of Manuscript: Special Section PAPER (Special Section on Heterostructure Microelectronics with TWHM2005)
Category: Millimeter-Wave Devices
Keyword: 
HEMTInPInGaAsInAlAslattice-matchedcurrent gain cutoff frequency
  Summary |  Full Text:PDF (1.1MB)

A 24-Gsps 3-Bit Nyquist ADC Using InP HBTs for DSP-Based Electronic Dispersion Compensation
Hideyuki NOSAKA  Makoto NAKAMURA  Kimikazu SANO  Minoru IDA  Kenji KURISHIMA  Tsugumichi SHIBATA  Masami TOKUMITSU  Masahiro MURAGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Vol. E88-C  No. 6  pp. 1225-1232
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: Optical
Keyword: 
analog-digital conversiondigital signal processingequalizersInP HBTchromatic dispersionpolarization-mode dispersionOC-192
  Summary |  Full Text:PDF (1.2MB)

Quick Development of Multifunctional MMICs by Using Three-Dimensional Masterslice MMIC Technology
Ichihiko TOYODA  Makoto HIRANO  Masami TOKUMITSU  Yuhki IMAI  Kenjiro NISHIKAWA  Kenji KAMOGAWA  Suehiro SUGITANI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/11/20
Vol. E82-C  No. 11  pp. 1951-1959
Type of Manuscript: INVITED PAPER (Special Issue on High-Frequency/High-Speed Devices for Information and Communication Systems in the 21st Century)
Category: Low Power-Consumption RF ICs
Keyword: 
three-dimensionalMMICmastersliceLMDSquick developmentdown-converter
  Summary |  Full Text:PDF (1.8MB)

A 22-Gbit/s Static Decision IC Made with a Novel D-Type Flip-Flop
Koichi NARAHARA  Taiichi OTSUJI  Masami TOKUMITSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/03/20
Vol. E82-C  No. 3  pp. 559-561
Type of Manuscript: LETTER
Category: Electronic Circuits
Keyword: 
decision ICGaAs MESFETstatic D-FFSCFL circuitry
  Summary |  Full Text:PDF (284.6KB)

A 40-Gbit/s Decision IC Fabricated with 0.12-µm GaAs MESFETs
Koichi MURATA  Taiichi OTSUJI  Mikio YONEYAMA  Masami TOKUMITSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/12/20
Vol. E80-C  No. 12  pp. 1624-1627
Type of Manuscript: LETTER
Category: Electronic Circuits
Keyword: 
decision ICMESFETsuper-dynamic D-FFwideband amplifier
  Summary |  Full Text:PDF (273.4KB)

A 0.1 µm Au/WSiN Gate GaAs MESFET with New BP-LDD Structure and Its Applications
Masami TOKUMITSU  Kazumi NISHIMURA  Makoto HIRANO  Kimiyoshi YAMASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/09/20
Vol. E78-C  No. 9  pp. 1189-1194
Type of Manuscript: Special Section PAPER (Special Issue on Ultra-High-Speed Electron Devices)
Category: 
Keyword: 
WSiNrefractory metalfrequency dividerGaAs MESFETBP-LDD
  Summary |  Full Text:PDF (546.8KB)

A WSiN-Gate GaAs HMESFET with an Asymmetric LDD Structure for MMICs
Kazumi NISHIMURA  Kiyomitsu ONODERA  Kou INOUE  Masami TOKUMITSU  Fumiaki HYUGA  Kimiyoshi YAMASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/08/20
Vol. E78-C  No. 8  pp. 907-910
Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
WSiNInGaPasymmetric LDD structureGaAsMMIC
  Summary |  Full Text:PDF (475.2KB)

Three-Dimensional Passive Elements for Compact GaAs MMICs
Makoto HIRANO  Yuhki IMAI  Ichihiko TOYODA  Kenjiro NISHIKAWA  Masami TOKUMITSU  Kazuyoshi ASAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/06/20
Vol. E76-C  No. 6  pp. 961-967
Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology for Advanced Functions and Size-Reductions)
Category: 
Keyword: 
three-dimensionalpassive elementsGaAsMMICs
  Summary |  Full Text:PDF (742KB)

A 31 GHz Static Frequency Divider Using Au/WSiN Gate GaAs MESFETs
Masami TOKUMITSU  Kiyomitsu ONODERA  Hiroki SUTOH  Kazuyoshi ASAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/12/20
Vol. E74-C  No. 12  pp. 4136-4140
Type of Manuscript: Special Section PAPER (Special Issue on Millimeter-Wave/Heterojunction Devices)
Category: 
Keyword: 
  Summary |  Full Text:PDF (413.6KB)

BP-LDD n+ Self-Aligned GaAs-MESFET with Au/WSiN Gate and Its Application to 0.5-30 GHz Distributed Amplifier
Kiyomitsu ONODERA  Masami TOKUMITSU  Noboru TAKACHIO  Hiroyuki KIKUCHI  Kazuyoshi ASAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/12/20
Vol. E74-C  No. 12  pp. 4131-4135
Type of Manuscript: Special Section PAPER (Special Issue on Millimeter-Wave/Heterojunction Devices)
Category: 
Keyword: 
  Summary |  Full Text:PDF (517.1KB)