Patent
1986-04-07
1987-01-13
Larkins, William D.
357 54, 357 49, 357 59, 357 64, 357 16, 357 42, 357 1, 357 231, 357 232, 357 233, 357 237, 357 2311, 357 2312, 357 4, H01L 2978
Patent
active
046368248
ABSTRACT:
A voltage-control type semiconductor switching device is disclosed which includes a pair of controlled electrodes to which a control voltage signal is supplied, and a semiconductive layer formed between the electrodes so as electrically insulative from the electrodes through insulative layers. The semiconductive layer has a channel region and a carrier-storage region which is substantially nonconductive. The channel region is formed laterally along the longitudinal direction of the electrodes, thereby allowing majority carriers such as electrons of the semiconductive layer to flow in the lateral direction. In the current cut-off mode, the carrier-storage region temporarily stores the carriers which move in the direction of thickness of the semiconductive layer due to the electric field created by the voltage. In the current conduction mode, the carrier-storage region releases the carriers stored therein toward the channel region.
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Dang Ryo
Ikoma Toshiaki
Maeda Hajime
Shigyo Naoyuki
Yanai Hisayoshi
Ikoma Toshiaki
Larkins William D.
Mintel William A.
Tokyo Shibaura Denki Kabushiki Kaisha
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