US PATENT SUBCLASS 438 / 310
.~ Gettering of semiconductor substrate


Current as of: June, 1999
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438 /   HD   SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS

309  DF  FORMING BIPOLAR TRANSISTOR BY FORMATION OR ALTERATION OF SEMICONDUCTIVE ACTIVE REGIONS {25}
310.~ Gettering of semiconductor substrate


DEFINITION

Classification: 438/310

Gettering of semiconductor substrate:

(under subclass 309) Process having a step of gettering the semiconductor substrate.