US PATENT SUBCLASS 438 / FOR 427
MAKING PHOTOCATHODE OR VIDICON (437/916)


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

FOR 427MAKING PHOTOCATHODE OR VIDICON (437/916)


DEFINITION

Classification: 438/FOR.427

MAKING PHOTOCATHODE OR VIDICON:

Foreign art collection involving the construction of a photocathode or vidicon tube.