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

1975-03-10

1978-01-03

Lazarus, Richard B.

316 10, 316 20, 316 25, H01J 938

Patent

active

040663094

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.

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patent: 3041851 (1962-07-01), Stenerson
patent: 3381805 (1968-05-01), Porta et al.
patent: 3387908 (1968-06-01), Fogelson
patent: 3589791 (1971-06-01), Kanellopoulos
patent: 3722976 (1973-03-01), Porta et al.
"Encyclopedia of Chemical Technology," pp. 640-646, by R. E. Kirk, et al.

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