Semiconductor switching device having different carrier lifetime

Details Semiconductor switching device having different carrier lifetime Semiconductor switching device having different carrier lifetime

1995-05-26

2000-08-08

Ngo, Ngan V.

Active solid-state devices (e.g., transistors, solid-state diode

Including region containing crystal damage

257335, 257378, H01L 2930, H01L 2976

Patent

active

061005754

ABSTRACT:
A semiconductor layer, through which a main current flows, is so structured that a carrier life time in the semiconductor layer is ununiform in accordance with a predetrmined distribution of the carrier life time. Thus, turn OFF characteristics of a semiconductor switching device can be improved without causing any unacceptable disadvantages for other characteristics.

REFERENCES:
patent: 4620211 (1986-10-01), Baliga et al.

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