US PATENT SUBCLASS 430 / 4
RADIATION MODIFYING PRODUCT OR PROCESS OF MAKING


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

4RADIATION MODIFYING PRODUCT OR PROCESS OF MAKING {2}
5  DF  .~> Radiation mask
6  DF  .~> Screen other than for cathode-ray tube {1}


DEFINITION

Classification: 430/4

RADIATION MODIFYING PRODUCT OR PROCESS OF MAKING:

(under the class definition) Products chemically defined which functions to modify the radiation during imaging and is in the form of a photomask, screen, etc., or the process of making same or like products.

SEE OR SEARCH THIS CLASS, SUBCLASS:

510+, for antihalation or filter layer containing product.

SEE OR SEARCH CLASS

360, Dynamic Magnetic Information Storage or Retrieval,

131+, for record medium, especially subclass 134 for tape; subclass 135 for disk; and subclass 136 for drum.