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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP13513075ApriorityCriticalpatent/JPS5260179A/en
Publication of JPS5260179ApublicationCriticalpatent/JPS5260179A/en
PURPOSE: Arbitrary reversing of ion flying direction in relation to electric field and magnetic field is made possible and analyzing means such as IKES, MIKES, double convergence mass analysis, etc. may be performed with one unit, by providing a device for alternating ion source and ion collector.