CRT tension mask support structure

Details CRT tension mask support structure CRT tension mask support structure

1992-08-24

1994-08-09

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313402, 313404, 313408, H01J 2981

Patent

active

053369645

ABSTRACT:
A faceplate assembly for a color CRT includes a glass panel with a phosphor screen thereon and a plated mask support structure attached to the faceplate, with a foil shadow mask welded in tension to the mask support structure. The mask support structure comprises an inert substrate to which is electroformed a weld land suitable for accepting welds and retaining the mask thereby. A minimal amount of metal is used and the shape and size of the mask support are readily controllable.

REFERENCES:
patent: Re33253 (1990-07-01), Strauss
patent: 2842696 (1958-07-01), Fischer-Colbrie
patent: 4737681 (1988-04-01), Dietch et al.
patent: 4745328 (1988-05-01), Strauss
patent: 4779023 (1988-10-01), Strauss
patent: 4891545 (1990-01-01), Capek et al.
patent: 5017170 (1991-05-01), Dougherty et al.
patent: 5023507 (1991-06-01), Dougherty et al.

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