Getter holder and electric discharge tube comprising such a hold

Details Getter holder and electric discharge tube comprising such a hold Getter holder and electric discharge tube comprising such a hold

1977-05-19

1978-12-05

Demeo, Palmer C.

Electric lamp and discharge devices

Liquid electrode discharge devices

Auxiliary starting or holding electrode

313180, 313481, H01J 6126

Patent

active

041287827

ABSTRACT:
A body of compressed powder including a gettering material that can be released from the body by heating is held in a getter holder having at least one cavity with a substantially U-shaped cross-section. In order to lock the body in the cavity, at least a part of the inner wall of the cavity has a slight surface unevenness the extent of which is between 0.5 .mu.m and a few tenths of the wall thickness of the holder.

REFERENCES:
patent: 2455514 (1948-12-01), Mead
patent: 2832223 (1958-04-01), Courand
patent: 3457448 (1969-07-01), Scott
patent: 3558961 (1971-01-01), Palsha
patent: 3620645 (1971-11-01), Della Porta

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