US PATENT SUBCLASS 438 / 943
.~ Movable

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

942  DF  MASKING {6}
943.~ Movable

DEFINITION

Classification: 438/943

Movable:

Art collection under 942 involving the use of a mask movable with respect to the semiconductor substrate.