Development of a Simple and Tough Alpha-Particle Detector Used at High Temperature

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概要

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• Several ceramic detectors were made by use of the insulation layer formed on two types of substrate, i.e. aluminum and silicon. Each detector was irradiated with alpha-rays from an Am-241 source and the electric charge induced in the detector was measured in the temperature range from room temperature up to 450 K. The alpha-ray detection signals were well observed with an oscilloscope at the properly high bias-voltage only for very short time from several seconds to several tens of seconds before the start of the sweeping insulation breakdown. Though this type of the simple detector made of a thin ceramic layer can be hardly used for the energy analysis, it might be effectively applicable to the measurement of the flux of alpha-particles at high temperature.

• 社団法人 プラズマ・核融合学会の論文

著者

• TANAKA Teruya

  National Institute for Fusion Science

• TANAKA Teruya

  National Institute for Fusion Science, Toki 509-5292, Japan

• ISHIKAWA Ippei

  Osaka University, Suita 565-0871, Japan

• IIDA Toshiyuki

  Osaka University, Suita 565-0871, Japan

• SATO Fuminobu

  Osaka University, Suita 565-0871, Japan

• KATO Yushi

  Osaka University, Suita 565-0871, Japan

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