US PATENT SUBCLASS 438 / 354
.~.~ Having semi-insulative region

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}
353  DF  .~ Including isolation structure {5}
354.~.~ Having semi-insulative region

DEFINITION

Classification: 438/354

Having semi-insulative region:

(under subclass 353) Process for making a bipolar transistor wherein the electrical isolation is provided at least in part by a high resistivity semiconductive component.