Bistable storage target having an admixture of two phosphor...

Details Bistable storage target having an admixture of two phosphor... Bistable storage target having an admixture of two phosphor...

H - Electricity

01

J

313/35.15

H01J 29/20 (2006.01)

Patent

CA 1167511

TWO COLOR WRITE-THROUGH DIRECT-VIEWING STORAGE TUBE Abstract The present invention relates to a storage target for a cathode-ray tube. The target is comprised of a sub- strate of electrically insulative material and a collector supported by the substrate for collecting secondary electrons. A storage body of phosphor material is provided on one side of the substrate. The phosphor material is comprised of a substantially uniform admixture of phosphor particles, including particles of a first phosphor capable of bistable storage of charge images and particles of a second phosphor having a color emission different from that of the first phosphor. The particles of the second phosphor have a layer of nonluminescent material chemically bonded to the surfaces thereof in an amount sufficient to inhibit the luminescence of the second phosphor in response to low velocity electron bombardment.

415804

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