US PATENT SUBCLASS 438 / FOR 391
.~ By spinning (437/231)

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

FOR 385  DF  INCLUDING COATING OR MATERIAL REMOVAL, E.G., ETCHING, GRINDING, ETC. (437/ 225) {9}
FOR 391.~ By spinning (437/231)

DEFINITION

Classification: 438/FOR.391

By spinning:

Foreign art collection for processes wherein the operation is carried out by a rotatory motion.