US PATENT SUBCLASS 430 / 507
.~.~.~ Filter layer containing

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

495.1  DF  RADIATION SENSITIVE PRODUCT {7}
502  DF  .~ Two or more radiation-sensitive layers containing other than that characterized by the composition of a single sensitive layer {3}
503  DF  .~.~ Layers sensitive to different spectral regions {4}
507.~.~.~ Filter layer containing

DEFINITION

Classification: 430/507

Filter layer containing:

(under subclass 503) Subject matter which contains a layer which selectively blocks part of the spectrum of the incident radiation. The filter layer may also be a sensitive layer or may be an additional layer.