Fishing – trapping – and vermin destroying
Patent
1993-10-28
1994-09-13
Thomas, Tom
Fishing, trapping, and vermin destroying
437 6, 437 50, 437152, 437154, H01L 2100
Patent
active
053468384
ABSTRACT:
An insulated gate control thyristor including an n-type base region, an insulating layer, gates formed on the insulating layer, first and second windows formed in the insulating layer, p-type emitter layers and n-type cathode layers diffused into the base region from the first windows, and p-type collector layers diffused into the base region from the second windows. The emitter layer and the collector layer are disposed in close proximity to each other under the gate so that a channel is formed which is conducted when the thyristor is turned off. The turn-off of the thyristor speeds up and becomes reliable, and the quality control of the process steps for fabricating the thyristor becomes easier.
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patent: 5155569 (1992-10-01), Terashima
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patent: 5278076 (1994-01-01), Darwish
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"The MOS-Gated Emitter Switched Thyristor" B. Jayant Baliga, Electron Device Letters, vol. 11, No. 2 (Feb. 1990), pp. 75-77.
"MOS Control Thyristors (MCT'S)" V. A. K. Temple, IEDM (1984), pp. 282-285.
"The MOS Depletion-Mode Thyristor: A New MOS-Controlled Bipolar Power Device" Baliga et al., IEEE ELECTRON DEVICE LETTERS, vol. 9, No. 8, Aug. 1988, pp. 411-413.
Fuji Electric & Co., Ltd.
Nguyen Tuan
Thomas Tom
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