US PATENT SUBCLASS 438 / FOR 461
SHALLOW DIFFUSION (437/950)


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

FOR 461SHALLOW DIFFUSION (437/950)


DEFINITION

Classification: 438/FOR.461

SHALLOW DIFFUSION:

Foreign art collection involving formation of regions of very

small depth in the surface of the substrate.