Electron tube provided with porous silicon oxide getter

Details Electron tube provided with porous silicon oxide getter Electron tube provided with porous silicon oxide getter

1986-03-10

1988-09-13

Moore, David K.

Electric lamp and discharge devices

Cathode ray tube

Envelope

313481, 313553, 313558, H01J 718, H01J 2988, H01J 2994

Patent

active

047712147

ABSTRACT:
Electron tube having an evacuated envelope equipped with an electron emitting cathode, wherein a layer of activated silicon oxide is formed inside the envelope. The activated silicon oxide layer improves the emission life.

REFERENCES:
patent: 3792300 (1974-02-01), Benda et al.
patent: 4342662 (1982-08-01), Kimura et al.
patent: 4559471 (1985-12-01), Kroontje

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