US PATENT SUBCLASS 438 / 351
.~ Direct application of electrical current

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}
351.~ Direct application of electrical current

DEFINITION

Classification: 438/351

Direct application of electrical current:

(under subclass 309) Process for making a bipolar transistor involving having a step of directly applying an electric current to the semiconductor substrate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

17, for a step of measuring involving aging electrical devices formed on a semiconductor substrate via the direct application of electrical current.