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Magnetic field generator and charged particle beam irradiator

  • US 6,246,066 B1
  • Filed: 09/17/1998
  • Issued: 06/12/2001
  • Est. Priority Date: 12/25/1997
  • Status: Expired due to Term
First Claim
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1. A magnetic field generator comprising:

  • a first return yoke having a first internal volume;

    a magnetic pole pair comprising a pair of magnetic poles disposed opposite each other, disposed in the first internal volume, and movable relative to said first return yoke; and

    a driver for moving said magnetic pole pair within the first internal volume.

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