Zobrazeno 1 - 10
of 40
pro vyhledávání: '"H. Kirihata"'
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 255:247-252
Using molecular-dynamics simulation, we study the impact of C60 fullerene molecules with energies up to several tens of keV on various target materials: graphite, fullerite, Au and a condensed Ar solid. The analysis is based on single impact events.
Publikováno v:
Proceedings of the 2nd International Symposium on Power Semiconductor Devices and Ics. ISPSD '90..
Publikováno v:
Proceedings of the 4th International Symposium on Power Semiconductor Devices and Ics.
Publikováno v:
PESC '88 Record., 19th Annual IEEE Power Electronics Specialists Conference.
A 4.5 kV 3000 A high-power reverse conducting gate-turn-off (GTO) thyristor has been developed. The key aspects of the design are electrical separation between the GTO and the diode, the use of a p-i-n junction structure, and optimization of the anod
Publikováno v:
[1993] Proceedings of the 5th International Symposium on Power Semiconductor Devices and ICs.
The present state and future direction of high-power semiconductor devices (>or=500 kVA) are discussed. To characterize the best choice of power devices, a figure of merit is proposed that takes into account thermal and structural factors of the pack
Publikováno v:
Proceedings of the 6th International Symposium on Power Semiconductor Devices and Ics.
A 2.5 kV 100 A /spl mu/(micro)-stack IGBT has been developed. This is the first work to demonstrate the possibility of a high voltage, high current and high reliable flat-packaged MOS controlled device. The 20 mm square chip is press-contacted with a
Publikováno v:
Proceedings of the 10th International Symposium on Power Semiconductor Devices and ICs. ISPSD'98 (IEEE Cat. No.98CH36212).
A 2.5k V-1.8 kA advanced type power pack IGBT has been developed using an original multi-collector structure. From this multi-collector structure, we can drastically reduce the thermal stress occurring during the power cycling test. In addition to th
Publikováno v:
Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242).
High power and high reliable IGBTs are used in applications to traction and high voltage converters. We have investigated a flat-pack IGBT, compared with an IGBT module and a GTO, to realize the ruggedness in electrical, thermal and mechanical stress
Publikováno v:
Proceedings of 9th International Symposium on Power Semiconductor Devices and IC's.
The Power Pack IGBT has been tested in detail under several practical inverter systems and has obtained much useful data. Using this data and advanced technology, we have improved some items and finally developed an ultra high-power 2.5 kV-1800 A Pow
Conference
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