US PATENT SUBCLASS 438 / FOR 459
MOVABLE MASK (437/948)


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



438 /   HD   SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS

FOR 459MOVABLE MASK (437/948)


DEFINITION

Classification: 438/FOR.459

MOVABLE MASK:

Foreign art collection involving use of a mask which can be moved and is not in contact with the substrate.