US PATENT SUBCLASS 438 / 46
.~ Compound semiconductor

Current as of: June, 1999
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438 /   HD   SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS

22  DF  MAKING DEVICE OR CIRCUIT EMISSIVE OF NONELECTRICAL SIGNAL {12}
46.~ Compound semiconductor {1}
47  DF  .~.~> Heterojunction

DEFINITION

Classification: 438/46

Compound semiconductor:

(under subclass 22) Process for making a device emissive of electromagnetic radiation having a compound semiconductor.