US PATENT SUBCLASS 438 / FOR 427
MAKING PHOTOCATHODE OR VIDICON (437/916)
Current as of:
June, 1999
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SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS
FOR 427
MAKING 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.