Direct-viewing storage target for a cathode ray tube

Details Direct-viewing storage target for a cathode ray tube Direct-viewing storage target for a cathode ray tube

H - Electricity

01

J

313/35.29

H01J 29/41 (2006.01) H01J 29/10 (2006.01) H01J 29/18 (2006.01) H01J 31/12 (2006.01)

Patent

CA 1137154

-19- DIRECT-VIEWING STORAGE TARGET FOR A CATHODE RAY TUBE ABSTRACT A bistable storage target for a cathode ray tube includes an insulating support member having a conductive mesh electrode on one surface, an insulating material covering the mesh electrode except for exposed areas of the mesh electrode with the insulating material extending part way into the mesh apertures into engagement with the support member surface thereby insulating the mesh apertures and reducing their size and islands of dielectric material disposed in the insulated apertures for storing information written thereon by awriting beam of electrons so that the dielectric islands are isolated from the mesh electrode to provide near zero background luminance, color write through or color contrast regarding the displayed information.

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