多電極を用いた重畳場型二重収束質量分析装置の開発

概要

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A double-focusing mass analyzer (γ=150 mm) with crossed electric and magnetic field is developed. A newly designed multielectrode is used to make the electric field in the narrow gap between the magnet pole pieces. Experimental results verify the following features of this mass analyzer as predicted theoretically; 1) much wider energy window of approximately 1 keV, 2) mass spectrum available by voltage scanning as well, 3) high mass resolution of 1,700 obtained with the wide main slit of 0.1 mm.
日本質量分析学会の論文