US PATENT SUBCLASS 313 / 386
.~.~.~.~ Plural layers

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  DF  .~.~.~ Layer composition {1}
386.~.~.~.~ Plural layers

DEFINITION

Classification: 313/386

(under subclass 385) Subject matter wherein the photoconductive element is composed of plural layers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

375, for plural photo-emissive layers forming the cathode.