Particle beam irradiation system and method of adjusting irradiation apparatus

A particle beam irradiation system, comprising:

• a charged particle beam generation apparatus;
• and
• an irradiation apparatus for exposing an irradiation target to a charged particle beam emitted from the charged particle beam generation apparatus;
• wherein said irradiation apparatus includes a scattering device for increasing the size of said charged particle beam, a range adjustment device for varying the range of said charged particle beam, and a Bragg peak spreading device through which said charged particle beam passes;
• and
• wherein at least one of said scattering device, said range adjustment device, and said Bragg peak spreading device is installed in said irradiation apparatus in such a manner as to be movable in a propagation direction of said charged particle beam.

A particle beam irradiation system, comprising:

• a charged particle beam generation apparatus;
• and
• an irradiation apparatus for irradiating an irradiation target with a charged particle beam emitted from the charged particle beam generation apparatus;
• wherein said irradiation apparatus includes a beam scanner for scanning said charged particle beam, a scattering device for increasing the size of said charged particle beam, and a Bragg peak spreading device through which said charged particle beam passes;
• and
• wherein at least one of said scattering device and said Bragg peak spreading device is installed in said irradiation apparatus in such a manner as to be movable in a propagation direction of said charged particle beam.

A particle beam irradiation system, comprising:

• a charged particle beam generation apparatus;
• and
• an irradiation apparatus for exposing an irradiation target to a charged particle beam emitted from the charged particle beam generation apparatus;
• wherein said irradiation apparatus includes a beam scanner for scanning said charged particle beam, a scattering device for increasing the size of said charged particle beam, a range adjustment device for varying the range of said charged particle beam, and a Bragg peak spreading device through which said charged particle beam passes;
• and
• wherein at least one of said scattering device, said range adjustment device, and said Bragg peak spreading device is installed in said irradiation apparatus in such a manner that the device is movable in the propagation direction of said charged particle beam.

A particle beam irradiation system, comprising:

• a charged particle beam generation apparatus;
• and
• an irradiation apparatus for exposing an irradiation target to a charged particle beam emitted from the charged particle beam generation apparatus,
• wherein said irradiation apparatus includes a first scattering device for increasing the size of said charged particle beam, a second scattering device through which said charged particle beam passing through said first scattering device passes, and a Bragg peak spreading device through which said charged particle beam passes;
• and
• wherein at least one of said scattering devices and said Bragg peak spreading device is installed in said irradiation apparatus in such a manner as to be movable in a propagation direction of said charged particle beam.

A particle beam irradiation system, comprising:

• a charged particle beam generation apparatus;
• and
• an irradiation apparatus for exposing an irradiation target to a charged particle beam emitted from the charged particle beam generation apparatus;
• wherein said irradiation apparatus includes a first scattering device for increasing the size of said charged particle beam, a second scattering device through which said charged particle beam passing through said first scattering device passes, a range adjustment device for varying the range of said charged particle beam, and a Bragg peak spreading device through which said charged particle beam passes;
• and
• wherein at least one of said scattering devices, said range adjustment device, and said Bragg peak spreading device is installed in said irradiation apparatus in such a manner as to be movable in a propagation direction of said charged particle beam.