Display tube and method of manufacturing such a display tube

Details Display tube and method of manufacturing such a display tube Display tube and method of manufacturing such a display tube

1990-04-27

1992-01-14

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Implosion protecting

358247, H01J 503

Patent

active

050806220

ABSTRACT:
The invention relates to a method of manufacturing a display tube in which a transparent plate 9 is secured to the display window 2 by securing means 10 located between and exclusively along the edge portions of the display window 2 and the transparent plate 9. Subsequently, the envelope and the space 12 between the display window and the transparent plate 9 are evacuated substantially simultaneously. An optical coupling means is then provided in the space 12 between the display window 2 and the transparent plate 9.

REFERENCES:
patent: 2160081 (1939-05-01), Niclassen
patent: 3952152 (1976-04-01), Lill et al.

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