Getter body

Details Getter body Getter body

1981-03-02

1982-11-23

Barr, J. L.

Compositions

Getters or gas or vapor generating materials for electric...

2521816, 313480, 313481, 200302, H01J 718

Patent

active

043604447

ABSTRACT:
A getter body for use in encapsulated electrical components is of the type consisting of a powder mixture which has been compressed into tablet form. The powder mixture contains in addition to traditional getter material such as activated carbon, zeolite or the like, aluminum stearate and a binder containing a synthetic such as a polyamide. The getter body is produced in several sequential steps. The getter material is mixed with a polycarbonate or a water glass solution, which is then dried and then pulverized. To this first powder is added the aluminum stearate and the binder containing a synthetic. The resulting powder may then be dried and is then pressed into tablets. The tablets may then be heat-cured and are then surfaced polished. The resulting tablets have good abrasion resistance without a noticeable loss in the getter effectiveness.

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patent: 4203049 (1980-05-01), Kuus
patent: 4209752 (1980-06-01), Bridges
patent: 4264280 (1981-04-01), Hellier

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