Charged particle beam irradiator and rotary gantry

Details Charged particle beam irradiator and rotary gantry Charged particle beam irradiator and rotary gantry

2011-04-05

2011-04-05

Souw, Bernard E (Department: 2881)

Radiant energy

With charged particle beam deflection or focussing

Magnetic lens

C250S3960ML

Reexamination Certificate

active

07919759

ABSTRACT:
A charged particle beam2which enters a final bending electromagnet7after traveling through quadrupole electromagnets4, 5, 6travels through the final bending electromagnet7in an arc shape path by increasing or decreasing a bending magnetic field generated in the final bending electromagnet7, with a pre-determined period for example and is scanned in an X-direction. The charged particle beam2scanned in the X-direction is scanned in a Y-direction while traveling through a Y-direction Wobbler electromagnet8. Consequently, the charged particle beam2is scanned in the X-direction and the Y-direction, and the target9is irradiated with the charged particle beam2so that a round field is drawn, for example.

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