Method of producing a vacuum

Details Method of producing a vacuum Method of producing a vacuum

1989-06-16

1990-11-27

Koczo, Michael

Pumps

Electrical or getter type

Getter heating, vaporizing, or regeneration

417 53, 2521816, 423248, 423644, F04B 3702

Patent

active

049732277

ABSTRACT:
A method of producing a vacuum in a volume of a hollow body which has at least one outlet opening for the gaseous atmosphere present therein, the method includes the following steps: introducing at least about 3 g/dm.sup.3 of evacuation volume of a metal hydride into the hollow body so as to take up less than about 5% of the volume 3. The metal hydride comprises a hydride forming alloy of the formula

REFERENCES:
patent: 2668253 (1954-02-01), Taylor
patent: 4160014 (1979-07-01), Gamo et al.
patent: 4278466 (1981-07-01), de Pous
patent: 4283226 (1981-08-01), Van Mal et al.
patent: 4446101 (1984-05-01), Bernauer et al.
patent: 4717551 (1988-01-01), Bernauer et al.
patent: 4907948 (1990-03-01), Barosi et al.

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