試作MgO陰極の特性
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概要
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Properties of magnesium oxide cold cathode electronic tube developed by U. S. Army and Tung-Sol electric researchers are studied. After preliminary examination on material, production process and starting method of the cathode, self-sustained emission, triode characteristics, noise, and life of the tube are investigated. The cathode temperature was found to increase when the cathode current density is raised. At small current density, the current varies exponentially with voltage. The noise current was found very large, flicker noise predominating. Life test on diode of the early stage showed that at the cathode current density of 7.6 mA/cm the life is shortened.
- 公益社団法人 応用物理学会の論文
公益社団法人 応用物理学会 | 論文
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