Production method for a low cost color CRT with self-polished fl

Details Production method for a low cost color CRT with self-polished fl Production method for a low cost color CRT with self-polished fl

1987-12-23

1989-03-28

Kellogg, Arthur D.

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

65 36, 65 62, 65 65, 65 90, 65 95, 65 992, 65 993, C03B 2320

Patent

active

048160539

ABSTRACT:
The use of a flat faceplate comprised of self-polished float glass substantially reduces the cost of a cathode ray tube incorporating a flat tensioned shadow mask while affording a high degree of video image acuity. The float glass flat faceplate does not require polishing and acid etching to provide a high degree of smoothness in its inner and outer surfaces and, in combination with a flat tensioned shadow mask mounted to the flat faceplate, offers a low cost, easily manufactured and assembled color CRT front assembly.

REFERENCES:
patent: 4162907 (1979-07-01), Anderson
patent: 4358542 (1982-11-01), Hares et al.

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