US PATENT SUBCLASS 438 / FOR 442
IMPLANTATION THROUGH MASK (437/931)

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

FOR 442IMPLANTATION THROUGH MASK (437/931)

DEFINITION

Classification: 438/FOR.442

IMPLANTATION THROUGH MASK:

Foreign art collection involving the passage of particles (ions) or of energy through a protection masking material.