A Stabilized D. C. Current Supply of Wide Scanning Range for an Electro-magnet

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概要

• 論文の詳細を見る

• A stabilized d. c. current supply of wide scanning range for an electro-magnet of a mass spectrometer has been constructed. The circuit is composed of two parts: One is the degenerative stabilizer to keep the output current stabilized, and the other works to control the output voltage of the rectified power supply to prevent over-voltage on the stabilizer during the scanning. The short-time and and long-time stabilities of the output currents are5·10<SUP>-6</SUP>-5·10<SUP>-5</SUP> and 3·10<SUP>-5</SUP>-5·10<SUP>-5</SUP>, respectively, in the scanning range from 0.05 to 0.85 amperes. The ripple content of 50 and 100 Hz are estimated to be in the order of 0.001%.

• 日本質量分析学会の論文

著者

• EZOE HIROHIKO

  Rikagaku Kenkyusho

• SHIKATA TAKASHI

  RIKAGAKU KENKYUSHO(The Institute of Physical and Chemical Research).

• TAKAHASHI KAZUYOSHI

  RIKAGAKU KENKYUSHO(The Institute of Physical and Chemical Research).

• IZUME TAKATOMO

  Fuchu Works, Tokyo Shibaura Electric Co., Ltd.

関連論文

• Stabilization of the Filament Temperature for Surface Ionization
• A Stabilized D. C. Current Supply of Wide Scanning Range for an Electro-magnet
• A Compact Electrostatic Electron Multiplier of Continuous Dynode Type
• Scanning and Mass Spectra
• A Combination Ion Source and Surface Ionization
• A Simple Method for the Fine Adjustment of A.C. Currents

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