Method for producing cathode structure for cathode ray tubes uti

Details Method for producing cathode structure for cathode ray tubes uti Method for producing cathode structure for cathode ray tubes uti

1981-12-28

1984-07-10

Lusignan, Michael R.

Coating processes

Electrical product produced

Electron emissive or suppressive

4271261, 4271263, 427380, 445 50, 445 51, 313346R, B05D 512

Patent

active

044593228

ABSTRACT:
Cathode structures for cathode ray tubes are produced by dispensing slurry drops of cathode material onto metallic supporting substrates, and drying the drops to form cathode layers. The slurry comprises the particles in an organic binder solution, and additionally contains particles of urea. The cathode layers are subjected to further thermal processing during their incorporation into a cathode ray tube, and are characterized by a high degree of adherence to their underlying substrates.

REFERENCES:
patent: 2985548 (1961-05-01), Blickwedel et al.
patent: 3536526 (1970-10-01), Month
patent: 4210839 (1980-07-01), Hagen
Condensed Chemical Dictionary, Van Nostrand Reinhold Co., N.Y. .COPYRGT.1966, p. 994.
Kohl, W. H., Materials and Techniques for Electron Tubes, Reinhold Publishing Corp., N.Y. .COPYRGT.1960, pp. 551-557.

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