Emission Distributions from NEA Cold Cathodes
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概要
- 論文の詳細を見る
The distributions of the electron current emitted from NEA cold cathodes were measured by dissecting the electron optical image with a 5 μm diameter pin-hole attached to a metallic target in an experimental tube similar to a 1-inch-vidicon. Then the distributions of emission current density were displayed threedimensiona1ly on an oscilloscope. The NEA cold cathode was constructed by shallow diffusion of Zn into the n-GaAsP substrate followed by deposition of a ring-shaped contact electrode on the diffused layer. It was found that the current distributions emitted from an NEA cold cathode nearly agree with Kohn's theory. A Gap cold cathode designed to reduce current crowding was also examined and it was demonstrated that the emission current could be concentrated at the center of the cathode at a moderately large diode current.
- 社団法人応用物理学会の論文
- 1981-05-05
著者
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Hatanaka Yoshinori
Research Institute Of Electronics Graduate School Of Electronic Science And Technology Shizuoka Univ
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Sukegawa Tokuzo
Research Institute Of Electronics Shizuoka University
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Ando Takao
Research Institute Of Electronics Shizuoka University
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