Faceplate assembly for securing a tension mask support structure

Details Faceplate assembly for securing a tension mask support structure Faceplate assembly for securing a tension mask support structure

1986-10-31

1987-12-29

Boudreau, Leo H.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313408, H01J 2907

Patent

active

047163348

ABSTRACT:
A faceplate assembly is disclosed for a color cathode ray tube comprising a glass faceplate having on its inner surface a centrally disposed phosphor screen. A foil shadow mask is mounted in tension on a mask support structure which is located on opposed sides of the screen. The mask support structure physically penetrates the faceplate for permanent, cementless anchoring of the structure to the faceplate. The embedment of the mask support structure is of such depth as to cause the structure to resist tensile forces created by the mask. Also disclosed is a process for securing a support structure for a tensed foil shadow mask to a glass faceplate.

REFERENCES:
patent: 3695860 (1972-10-01), Katuta
patent: 3890526 (1975-06-01), Palac
patent: 4595857 (1986-06-01), Rowe et al.
David Surgan, "Sealed With a Kilovolt", The Electronic Engineer, Sep. 1968.
Daniel I. Pomerantz, Mallory Laboratory for Physical Science, Burlington, Mass., Glass to Metal Ceramic Seal.

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