Method of removing hydrocarbons from vacuum tubes

Details Method of removing hydrocarbons from vacuum tubes Method of removing hydrocarbons from vacuum tubes

1985-10-02

1987-02-24

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Including evacuating, degasifying or getter or fluent...

313481, 417 51, H01J 9385

Patent

active

046454683

ABSTRACT:
In devices provided with an evacuated bulb in which is present an activated metallic getter, hydrocarbons can be released or produced. As a result, the gas pressure and the heat conductivity increase. In devices according to the invention, for example, low-pressure sodium vapor discharge lamps, solar collectors, display tubes and image intensifiers, a getter auxiliary means is provided. The auxiliary means comprises an inorganic porous carrier charged with a transition metal having an atomic number from the series 23 to 29, 41 to 47 and 73 to 79, in elementary form or in oxide form, or with a combination of at least two of the said materials.

REFERENCES:
patent: 3764266 (1973-10-01), Murakami
patent: 3896042 (1975-07-01), Anderson et al.
patent: 3898125 (1975-08-01), Grossman et al.
patent: 4306543 (1981-12-01), Doevenspeck
patent: 4342662 (1982-08-01), Kimura et al.
patent: 4405487 (1983-09-01), Harrah et al.
patent: 4515528 (1985-05-01), Young

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