CHARGED PARTICLE BEAM DEFLECTION DEVICE

WIPO Patent Application WO/2023/181434

A1

This charged particle beam deflection device comprises: a layered structure that includes a plurality of layers layered in the direction leading from the interior toward the exterior and has a hollow shape through which a particle beam passes internally; a first coil whereby the charged particle beam is deflected in a first direction differing from the direction of travel of the charged particle beam; a second coil whereby the charged particle beam is deflected in a second direction differing from the first direction; and a pressing section that is positioned on the outer peripheral surface of the layered structure and presses the outer peripheral surface from the exterior toward the interior. The plurality of layers include a first coil support layer supporting the first coil and a second coil support layer supporting the second coil, and the layered structure has a gap through which a cooling solvent can flow between two adjacent layers among the plurality of layers.

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TAKI YOSHIAKI (JP)
TAKADA YUYA (JP)
ISHIHARA SHUN (JP)

PCT/JP2022/028317

September 28, 2023

July 21, 2022

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B DOT MEDICAL INC (JP)

A61N5/10

JP2021032611A	2021-03-01
JP2020041971A	2020-03-19
JP2007260222A	2007-10-11

MORISHITA Sakaki (JP)

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