US PATENT SUBCLASS 313 / 385
.~.~.~ Layer composition

Current as of: June, 1999
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313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

364  DF  CATHODE RAY TUBE {11}
365  DF  .~ Image pickup tube {6}
384  DF  .~.~ Photoconductive {5}
385.~.~.~ Layer composition {1}
386  DF  .~.~.~.~> Plural layers

DEFINITION

Classification: 313/385

(under subclass 384) Subject matter wherein the photoconductive element is in the form of a layer having a specified chemical composition.