Flat cathode-ray tube

Details Flat cathode-ray tube Flat cathode-ray tube

1994-07-05

1996-06-18

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Envelope

313479, H01J 3100

Patent

active

055281001

ABSTRACT:
A flat cathode-ray tube in which a ceramics film or a glass film is formed by thermal spray on the coupled surface of a metal case. This assembly and a glass screen are coupled through crystallized frit glass or by glass fusion. The coupling between the metal case and the glass screen has a coupling strength sufficient to resist the vacuum stress. The metal case, which is not exposed for a long time to high temperatures during thermal spraying, can be made of a metal for realizing a lightweight without any thermal deformation or dimensional variations, thereby attaining satisfactory mechanical properties.

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