US PATENT SUBCLASS 430 / 5
.~ Radiation mask

Current as of: June, 1999
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430 /   HD   RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF

4  DF  RADIATION MODIFYING PRODUCT OR PROCESS OF MAKING {2}
5.~ Radiation mask

DEFINITION

Classification: 430/5

Radiation mask:

(under subclass 4) Subject matter wherein the light modifying means is in the form of a radiation mask.

SEE OR SEARCH CLASS

216, Etching a Substrate: Processes, for disclosure (nonclaimed) of forming an image by radiation imagery and involving a claimed post imaging etching process.