US PATENT SUBCLASS 438 / 38
.~ Passivating of surface

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}
38.~ Passivating of surface

DEFINITION

Classification: 438/38

Passivating of surface:

(under subclass 22) Process having a step of making the surface of the semiconductor substrate less chemically or optically active.