US PATENT SUBCLASS 438 / FOR 308
.~.~.~ Having plural predetermined openings in master mask (437/148)

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

FOR 149  DF  INCLUDING FORMING A SEMICONDUCTOR JUNCTION (437/15) {7}
FOR 301  DF  .~ Diffusing a dopant (437/141) {17}
FOR 307  DF  .~.~ Using multiple layered mask (437/147) {1}
FOR 308.~.~.~ Having plural predetermined openings in master mask (437/148)

DEFINITION

Classification: 438/FOR.308

Having plural predetermined openings in master mask:

Foreign art collection for processes wherein the mask contains multiple desired openings.