Method for manufacturing a metallized luminescent screen for a c

Details Method for manufacturing a metallized luminescent screen for a c Method for manufacturing a metallized luminescent screen for a c

1991-11-08

1992-09-08

Lindsay, Robert L.

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

65 43, 65 602, 427 64, 427 68, 445 40, 445 45, C03B 2320, C03C 1738

Patent

active

051455110

ABSTRACT:
A method for manufacturing a metallic, luminescent screen for a CRT includes the steps of: depositing at least one phosphor layer on an inner surface of a faceplate of a panel, to form the luminescent screen; preheating the panel containing the screen to a temperature in excess of a minimum film-forming temperature; and depositing an aqueous emulsion of at least one acrylic film-forming resin onto a screen and drying said emulsion to form the film. Then, a metallic coating is deposited onto the film and the panel bearing the metallized screen is sealed to a funnel by heating the panel and funnel through a sealing cycle. The sealing cycle has predetermined rates of temperature increase and includes a temperature range within which the film is volatilized. The rate of temperature increase within the volatilization range is less than the rate of temperature increase in other portions of the sealing cycle.

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patent: 4826463 (1989-05-01), Strauss
patent: 4923423 (1990-05-01), Stockdale et al.

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