US PATENT SUBCLASS 438 / FOR 497
DIFFUSING LATERALLY AND ETCHING (437/986)


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

FOR 497DIFFUSING LATERALLY AND ETCHING (437/986)


DEFINITION

Classification: 438/FOR.497

DIFFUSING LATERALLY AND ETCHING:

Foreign art collection involving carrying out a diffusion step in a lateral direction and etching.