PARTICLE BEAM ACCELERATOR, METHOD FOR OPERATING PARTICLE BEAM ACCELERATOR, AND PARTICLE BEAM THERAPY APPARATUS
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United States of America Patent
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Issued Date -
Aug 17, 2023
app pub date -
Apr 10, 2023
filing date -
Dec 9, 2020
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Abstract
According to one embodiment, a particle beam accelerator comprising: an injection unit configured to inject a particle beam; a guiding unit configured to guide the particle beam to a trajectory; an acceleration unit configured to accelerate the particle beam circulating on the trajectory; an emission unit configured to output the particle beam; a particle beam blocking unit configured to block the particle beam on the trajectory; a control unit configured to control the injection unit, the guiding unit, the acceleration unit, the emission unit, and the particle beam blocking unit, wherein: the guiding unit includes a superconducting electromagnet and a superconducting electromagnet interrupter configured to interrupt the superconducting electromagnet, the control unit is configured to change a starting sequence of the particle beam blocking unit and the superconducting electromagnet interrupter depending on at least an operating state of the emission unit, when an abnormality occurs in the superconducting electromagnet.
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