Method of coating the inner wall of a low-pressure mercury vapor

Details Method of coating the inner wall of a low-pressure mercury vapor Method of coating the inner wall of a low-pressure mercury vapor

1976-10-14

1978-03-28

Kendall, Ralph S.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

427 28, 427 67, 427 71, 427106, 25230136, 313221, H01J 6146

Patent

active

040817148

ABSTRACT:
A method of electrostatic coating the inner wall of a low-pressure mercury vapour discharge lamp with luminescent material. Stearic acid and/or palmetic acid and/or salts thereof are added to the luminescent material together with nitrate in order to obtain a proper adhesion of the luminescent powder to the wall of the lamp.

REFERENCES:
patent: 2478387 (1949-08-01), Graham et al.
patent: 2749251 (1956-06-01), Shapiro
patent: 2854413 (1958-09-01), Geary
patent: 2940864 (1960-06-01), Watson
patent: 3947608 (1976-03-01), Duinker et al.

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