Water vapor releasing composition of matter and device, and proc

Details Water vapor releasing composition of matter and device, and proc Water vapor releasing composition of matter and device, and proc

1977-07-06

1981-04-28

Croyle, Carlton R.

Pumps

Electrical or getter type

Getter heating, vaporizing, or regeneration

2521811, F04B 3702

Patent

active

042642809

ABSTRACT:
A device for releasing water vapor in electron tubes comprises a holder and a water vapor releasing material carried by said holder. In one embodiment the water vapor releasing material is a hydroxide or hydrated oxide of a metallic element in combination with a binder. In another embodiment it is hydrated alumina.

REFERENCES:
patent: 1952717 (1934-03-01), Lederer
patent: 2791715 (1957-05-01), Heins
patent: 3669567 (1972-06-01), Porta et al.
patent: 3719433 (1973-03-01), Rabusin
patent: 3722976 (1973-03-01), Porta et al.
patent: 3927953 (1975-12-01), Zucchinelli
Encyclopedia of Chemical Technology, pp. 640-646, by R. E. Kirk et al.

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