US PATENT SUBCLASS 118 / 721
.~.~ Substrate contacting mask

Current as of: June, 1999
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118 /   HD   COATING APPARATUS

715  DF  GAS OR VAPOR DEPOSITION {9}
720  DF  .~ Having means to expose a portion of a substrate to coating medium {1}
721.~.~ Substrate contacting mask

DEFINITION

Classification: 118/721

Substrate contacting mask:

(under subclass 720) Apparatus wherein said mechanism is a solid object which touches the base to prevent the underlying Section from being coated with the coating material.