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Charged-particle beam irradiation method and system

  • US 6,433,349 B2
  • Filed: 05/08/2001
  • Issued: 08/13/2002
  • Est. Priority Date: 03/10/1998
  • Status: Expired due to Fees
First Claim
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1. A charged-particle beam irradiation system for an affected part in which while a charged-particle beam ejected from an accelerator is scanned by an electromagnet onto the affected part, each layer of the affected part resulting from division of the affected part into a plurality of layers in a direction of progression of said charged-particle beam is irradiated with the charged-particle beam, the system comprising:

  • changing means for changing an energy of said charged-particle beam in accordance with a layer of the plurality of layers to be irradiated with said charged-particle beam; and

    intensity control means for controlling an intensity of the charged-particle beam.

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