Method of manufacturing a phosphor screen of a cathode ray tube

Details Method of manufacturing a phosphor screen of a cathode ray tube Method of manufacturing a phosphor screen of a cathode ray tube

1989-07-01

1991-08-13

Lusignan, Michael

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427 68, 427 69, 427 73, 427226, 427250, 427404, 4274071, B05D 506, B05D 512

Patent

active

050395513

ABSTRACT:
A method of manufacturing a phosphor screen of a cathode ray tube having processes of forming a phosphor material on an inner surface of a cathode ray tube, forming a first intermediate film on the phosphor material, forming a second intermediate film having a baking temperature different from that of the first intermediate film on an upper surface of the first intermediate film, forming a metal back layer on an upper surface of the second intermediate layer, and baking a product at a predetermined baking temperature. Also, a method of manufacturing a phosphor screen of a cathode ray tube is disclosed, which has processes of forming a phosphor material on an inner surface of a cathode ray tube, forming an organic acid film on the phosphor material, forming an intermediate film on an upper surface of the organic acid film, forming a metal back layer on an upper surface of the intermediate layer, and baking a product at a predetermined baking temperature.

REFERENCES:
patent: 4018717 (1977-04-01), Francel et al.
patent: 4122213 (1978-10-01), Ito et al.
patent: 4284662 (1981-08-01), Matsugaki et al.
patent: 4339475 (1982-07-01), Hinosugi et al.
patent: 4590092 (1986-05-01), Giancaterini et al.

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