Stabilized chromium oxide film
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United States of America Patent
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Jan 12, 1988
Grant Date -
N/A
app pub date -
Aug 4, 1986
filing date -
Aug 4, 1986
priority date (Note) -
Expired
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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.
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