Title:
照射野形成装置
Document Type and Number:
Japanese Patent JP4474549
Kind Code:
B2
Abstract:
An irradiation field forming device for forming an irradiation field when a specimen is irradiated with a charged particle beam generated by an accelerator, the irradiation field forming device includes: a range shifter arranged on a beam axis of the charged particle beam for regulating an irradiation depth of the charged particle beam; and two or more than two converging electromagnets arranged in the downstream of the range shifter for regulating a beam diameter of the charged particle beam which is enlarged by the range shifter to a constant value.
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Inventors:
Takuji Furukawa
Koji Noda
Koji Noda
Application Number:
JP2005175604A
Publication Date:
June 09, 2010
Filing Date:
June 15, 2005
Export Citation:
Assignee:
National Institute of Radiological Sciences
International Classes:
A61N5/10; G21K1/093; G21K3/00
Domestic Patent References:
| JP8229145A | ||||
| JP2001000562A | ||||
| JP53008500A | ||||
| JP8257148A |
Attorney, Agent or Firm:
Isono Dozo
Etsuo Tada
Etsuo Tada