天然放射性同位素產(chǎn)生的MCP噪聲
NOISE CAUSED BY NATURE RADIOACTIVE ISTOPIC ELEMENTS CONTAINED IN MCP
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摘要: 本文計(jì)算了天然放射性同位素產(chǎn)生的MCP噪聲(以A/cm2表示)。計(jì)算結(jié)果給出:Rb87產(chǎn)生的噪聲最大,K40次之;最小為La138和V50。這表明:某些應(yīng)用領(lǐng)域要求低噪聲或超低噪聲的MCP時(shí),則該MCP的皮料中不能含有天然放射性同位素Rb87或K40。
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關(guān)鍵詞:
- 微通道板; 微通道板噪聲; 天然放射性同位素
Abstract: MCP noise caused by nature radioactive isotopes is calculated. The calculated results of MCP noise caused by Rb87 and K40 are in the order of 10-13A/cm2 and 10-14A/cm2 respectively. They show that in some special applications, MCP free of Rb37 and K40 are needed. -
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