Annealing Effects on Breakdown Threshold of Radio-frequency Windows.

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タイトル別名
  • Annealing Effects on Breakdown Threshol

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抄録

The breakdown threshold of alumina rf windows depends not only on the bulk characteristics, but also on surface treatments such as polishing and annealing. Sapphire and alumina-ceramic disks, polished and annealed, were examined by high-power tests. The polished disk exhibited a lower threshold value than the annealed one, probably due to its surface charging at defects mechanically introduced by polishing. The elimination of the charged sites present on the surface is considered to be important.

収録刊行物

  • 真空

    真空 40 (5), 436-441, 1997

    一般社団法人 日本真空学会

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