Method of coating an inner surface of a cathode ray tube with li

Details Method of coating an inner surface of a cathode ray tube with li Method of coating an inner surface of a cathode ray tube with li

1992-04-08

1994-11-22

Bell, Janyce

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427 68, 427287, 427591, B05D 512

Patent

active

053667581

ABSTRACT:
This invention relates to a method of coating an inner surface of a funnel of a cathode ray tube with lining graphite acting as an inner conductive film between a screen portion and a high voltage side, i.e., an electron gun of the cathode ray tube. According to the method, the lining graphite is coated on the entire inner surface of the funnel with the exception of only an area of the portion of the surface, on which a getter or a frittable getter is located.

REFERENCES:
patent: 4035525 (1977-07-01), Todd
patent: 4041347 (1977-08-01), Deal
patent: 4085235 (1978-04-01), Compen
patent: 4151312 (1979-04-01), Compen
patent: 4623820 (1986-11-01), Deal

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