画像検出器と回転電場偏向電極を用いた飛行時間型質量分析装置の開発 [in Japanese] Time-of-Flight Mass Spectrometer Using an Imaging Detector and a Rotating Electric Field [in Japanese]
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A new technique for minor isotope analysis that uses a rotating electric field and an imaging detector is described. The rotating electric field is generated by six cylindrically arranged plane electrodes with multi-phase sinusoidal wave voltage. When ion packets that are discriminated by time-of-flight enter the rotating electric field, they are circularly deflected, rendering a spiral image on the fluorescent screen of the detector. This spiral image represents <i>m</i>/<i>z</i> values of ions as the position and abundance of ions as brightness. For minor isotopes analyses, the micro channel plate detector under gate control operation is used to eliminate the influence of high intensity of major isotopes.
- J. Mass Spectrom. Soc. Jpn.
J. Mass Spectrom. Soc. Jpn. 56(5), 229-234, 2008-10-01
The Mass Spectrometry Society of Japan