Stabilized chromium oxide film

Details Stabilized chromium oxide film Stabilized chromium oxide film

1986-08-04

1988-01-12

Gensler, Paul

Wave transmission lines and networks

Long line elements and components

Waveguide elements and components

20419215, 20419222, 333 99MP, 427250, 427252, 427253, 427343, H01P 108, C23C 1400, C23C 1600

Patent

active

047194367

ABSTRACT:
Stabilized air-oxidized chromium films deposited on high-power klystron ceramic windows and sleeves having a thickness between 20 and 150.ANG. are useful in lowering secondary electron emission yield and in avoiding multipactoring and window failure due to overheating. The ceramic substrate for the film is chosen from alumina, sapphire or beryllium oxide.

REFERENCES:
patent: 2971172 (1961-02-01), Hamilton et al.
patent: 3330707 (1967-07-01), Reed
patent: 3891884 (1975-06-01), Tisdale
patent: 4139443 (1979-02-01), Sakurai
Bhushan, Development of R. F. Sputtered Chromium Oxide Coating for Wear Applicaton, Thin Solid Films (64)(1979), pp. 231-241.

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