US PATENT SUBCLASS 438 / 342
.~ Having multiple emitter or collector structure

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}
342.~ Having multiple emitter or collector structure

DEFINITION

Classification: 438/342

Having multiple emitter or collector structure:

(under subclass 309) Process for making a bipolar transistor having plural emitter active regions or plural collector active regions.

SEE OR SEARCH CLASS

257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes),

563+, for multiple separately connected emitter, collector, or base regions in the same transistor structure.