2016 - 2018 Establishment of methodology for evaluating capacitors toward highly reliable power electronic converters
2017 - 2017 チョクラルスキー法を用いた高品質・大口径Si-IGBT用ウェハ技術の開発
2012 - 2016 Study on a substrate for ultra high density power supply on chip
2012 - 2015 Development of macro-nano combined growth method for energy saving
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Papers (223):
Zaiqi Lou, Thatree Mamee, Katsuhiro Hata, Makoto Takamiya, Shin-ichi Nishizawa, Wataru Saito. Mechanism of gate voltage spike under digital gate control at IGBT switching operations. Power Electronic Devices and Components. 2024. 7. 100054-100054
Taro Takamori, Keiji Wada, Wataru Saito, Shin-ichi Nishizawa. Paralleled SiC MOSFETs Circuit Breaker With a SiC MPS Diode for Avalanche Voltage Clamping. IEEE Open Journal of Power Electronics. 2024. 5. 392-401
Taro Takamori, Keiji Wada, Wataru Saito, Shin-ichi Nishizawa. Reliability investigation of repeated unclamped inductive switching in a diode-clamped SiC circuit breaker. Microelectronics Reliability. 2023. 150. 115119-115119
Thatree Mamee, Zaiqi Lou, Katsuhiro Hata, Makoto Takamiya, Shin-ichi Nishizawa, Wataru Saito. Bond wire lift-off detection by gate voltage waveform in IGBT turn-off process enhanced by digital gate control. Power Electronic Devices and Components. 2023. 6. 100052-100052
Investigations on Acceptable Breakdown Voltage Variation of Parallel-Connected SiC MOSFETs Applied in Solid-State Circuit Breakers
(2021)
Avalanche Current Balancing Using Parallel Connection of SiC-JFETs with Cascode Connection
(ESREF 2021 : 32th European Symposium on Reliability of Electron Devices, Failure Physics and Analysis, 2021 2021)
Power Loss Reduction of Low-Voltage Power MOSFET by Combination of Assist Gate Structure and Gate Control Technology
(ISPSD2021 2021)
Accurate TCAD Simulation of Trench-Gate IGBTs and Its Application to Prediction of Carrier Lifetime Requirements for Future Scaled Devices
(5th IEEE Electron Devices Technology and Manufacturing Conference (EDTM 2021) 2021)