US PATENT SUBCLASS 438 / 944
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Current as of: June, 1999
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438 /   HD   SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS

942  DF  MASKING {6}
944.~ Shadow

DEFINITION

Classification: 438/944

Shadow:

Art collection under 942 involving the use of a mask not in contact with the semiconductor substrate so as to cast a shadow thereupon.