Method for introducing and activating a getter in a vacuum...

Details Method for introducing and activating a getter in a vacuum... Method for introducing and activating a getter in a vacuum...

2006-12-26

2006-12-26

Stashick, Anthony D. (Department: 3746)

Pumps

Electrical or getter type

C417S051000, C417S053000, C417S572000

Reexamination Certificate

active

07153104

ABSTRACT:
To prevent partial saturation of a getter by contact with absorbable atmospheric gases when the getter is introduced into a vacuum vessel, a method for introducing and activating the getter and a getter unit includes introducing the getter into the vacuum vessel packaged in a protective sleeve, closing off the vacuum vessel, evacuating the vessel, and opening the protective sleeve only after the evacuation has commenced. The protective sleeve can be opened by the sleeve being made to burst under the action of a protective gas atmosphere that is present.

REFERENCES:
patent: 3114469 (1963-12-01), Francis et al.
patent: 3364649 (1968-01-01), Sereda
patent: 4272259 (1981-06-01), Patterson et al.
patent: 4704068 (1987-11-01), TheiBen et al.
patent: 4938667 (1990-07-01), della Porta
patent: 5328336 (1994-07-01), Nowobilski

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