US PATENT SUBCLASS 438 / 326
.~.~ Including additional electrical device

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


438 /   HD   SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS

309  DF  FORMING BIPOLAR TRANSISTOR BY FORMATION OR ALTERATION OF SEMICONDUCTIVE ACTIVE REGIONS {25}
322  DF  .~ Complementary bipolar transistors {3}
326.~.~ Including additional electrical device

DEFINITION

Classification: 438/326

Including additional electrical device:

(under subclass 322) Process for making complementary bipolar transistors having combined therewith an additional electrical device.