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Permanent magnet lens systems and their characteristics

  • Hirokazu Kimura
  • Yoshio Kikuchi

Abstract

Owing to the high stability and easy maintenance of a permanent magnet electron lens systems excited by permanent magnets are advantageous in obtaining high resolving power as well as good daily performance and low cost. Since 1949 the authors have studied many kinds of permanent magnet lens systems. Their constructions, characteristics and efficiencies will be reported.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1960

Authors and Affiliations

  • Hirokazu Kimura
    • 1
  • Yoshio Kikuchi
    • 1
  1. 1.Kokubunji, Tokyo, and Hitachi Taga WorksHitachi Central Research LaboratoryHitachi City, IbaragiJapan

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