Device provided with a evacuated bulb comprising a getter and a

Details Device provided with a evacuated bulb comprising a getter and a Device provided with a evacuated bulb comprising a getter and a

1983-03-25

1985-12-17

Moore, David K.

Electric lamp and discharge devices

With getter

313562, 313481, 2521816, H01J 718, H01J 3520, H01J 6126

Patent

active

045594716

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 vapour 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: 3896042 (1975-07-01), Anderson et al.
patent: 3926832 (1975-12-01), Barosi
patent: 4305017 (1981-12-01), Kuus et al.
patent: 4405487 (1983-09-01), Harrah et al.
patent: 4440737 (1984-04-01), Libowitz et al.

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