US PATENT SUBCLASS 438 / 355
.~.~ Total dielectrical isolation
Current as of:
June, 1999
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438 /
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SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS
309
DF
FORMING BIPOLAR TRANSISTOR BY FORMATION OR ALTERATION OF SEMICONDUCTIVE ACTIVE REGIONS
{25}
353
DF
.~ Including isolation structure {5}
355
.~.~ Total dielectrical isolation
DEFINITION
Classification: 438/355
Total dielectrical isolation:
(under subclass 353) Process for making a bipolar transistor which is fully electrically isolated by dielectric insulative material from laterally adjacent semiconductive regions.