Cathode ray tube employing faceplate-deposited cathodochromic ma

Details Cathode ray tube employing faceplate-deposited cathodochromic ma Cathode ray tube employing faceplate-deposited cathodochromic ma

1974-04-01

1976-07-06

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Screen

350160P, H01J 2912, G02B 523, G02F 123

Patent

active

039683940

ABSTRACT:
A cathode ray tube (CRT) having a faceplate-deposited cathodochromic material, said CRT having electron beam write and erase. The erase beam is an electron beam focused to a size of approximately 0.010 inches at the image screen of the CRT and the intensity of the beam is about 10.sup.5 watts/in.sup.2.

REFERENCES:
patent: 2535817 (1950-12-01), Skellett
patent: 3413505 (1968-11-01), Hart et al.
patent: 3504212 (1970-03-01), Wollentin et al.
patent: 3548236 (1970-12-01), Kiss
patent: 3560782 (1971-02-01), Hamann
patent: 3598750 (1971-08-01), Phillips
patent: 3700804 (1972-10-01), Heyman
patent: 3705323 (1972-12-01), Shidlovsky
patent: 3706845 (1972-12-01), Heyman
patent: 3773540 (1973-11-01), Shidlovsky
patent: 3796909 (1974-03-01), Chang et al.

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