Rewetting solution and method for aluminizing image display face

Details Rewetting solution and method for aluminizing image display face Rewetting solution and method for aluminizing image display face

1978-08-18

1980-04-01

Esposito, Michael F.

Compositions: coating or plastic

Coating or plastic compositions

O-containing organic compound

10628734, 427 64, 427 68, 427344, 252313S, B05D 506, B05D 512

Patent

active

041960157

ABSTRACT:
This invention relates to improvements in the art of aluminizing the phosphor screens of image display devices such as television cathode ray picture tubes. A solution for rewetting a phosphor-bearing image display faceplate prior to aluminizing comprises a highly alkaline aqueous dispersion of a siliceous coating agent and a surfactant. The solution according to the invention includes an acidic pH-lowering substance in an amount sufficient to adjust pH to a neutral range.

REFERENCES:
patent: 2696444 (1954-12-01), Rossin
patent: 3099763 (1963-07-01), Gentry
patent: 3591518 (1971-07-01), McMillan
patent: 3677954 (1972-07-01), Nakajima
patent: 3752679 (1973-08-01), Moore
patent: 3920578 (1975-11-01), Yates
patent: 3940508 (1976-02-01), Wilcox

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