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タイトル: | Experimental Study on Axial Dependence of Anode Current Distribution in an Oven Magnetron |
著者: | Mitani, Tomohiko https://orcid.org/0000-0002-8544-2558 (unconfirmed) Shinohara, Naoki Matsumoto, Hiroshi Aiga, Masayuki Kuwahara, Nagisa Ishii, Takeshi |
著者名の別形: | 三谷, 友彦 |
キーワード: | Cathodes magnetrons noise |
発行日: | May-2010 |
出版者: | IEEE |
誌名: | IEEE Transactions on Electron Devices |
巻: | 57 |
号: | 5 |
開始ページ: | 1167 |
終了ページ: | 1172 |
抄録: | The axial dependence of the anode current distribution in a 2.45-GHz oven magnetron was investigated. We previously demonstrated that installing a cathode shield is an effective way to reduce magnetron noise. The objective of the present study is to determine why installing a cathode shield reduces the noise. We measured the anode current of a test magnetron with an axially segmented anode block. When no magnetic field was applied, the test magnetron behaved like a cylindrical vacuum diode, and the axial electron distribution corresponded to the axial distribution of the cathode temperature. When a magnetic field was applied, the cathode shield increased the normalized anode current in the central region, which contributes to noise reduction. |
著作権等: | (c) 2010 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works. |
URI: | http://hdl.handle.net/2433/120952 |
DOI(出版社版): | 10.1109/TED.2010.2043385 |
出現コレクション: | 学術雑誌掲載論文等 |
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