JP2025041207A5

JP2025041207A5 -

Info

Publication number: JP2025041207A5
Application number: JP2023148359A
Authority: JP
Filing date: 2023-09-13
Publication date: 2026-02-16

Description

本開示に係る加速空洞は、導電性を有する筒形状であり、中心軸に沿った平面で複数に分割された分割部材を前記平面に沿った分割面の一部同士が隙間を空けて対向した状態で設けられ、前記分割面の他の部分同士が接合された筐体と、前記筐体の内部に当該筐体の中心軸の軸線方向に並んだ状態で配置され、荷電粒子を通過可能な連通部により互いに連通された複数のセル部と、前記筐体の前記隙間に配置され、前記平面に沿って前記隙間を移動可能であり、移動により前記荷電粒子を加速させる電界の大きさを切り替えるスイッチ部材とを備える。 The acceleration cavity according to the present disclosure comprises a cylindrical, electrically conductive housing in which a plurality of divided members are separated by a plane along a central axis, with some of the divided surfaces along the plane facing each other with a gap therebetween and other portions of the divided surfaces joined together ; a plurality of cell sections arranged inside the housing in a line along the central axis of the housing and connected to each other by communicating sections that allow charged particles to pass through; and a switch member arranged in the gap in the housing, movable through the gap along the plane, and that switches the magnitude of the electric field that accelerates the charged particles as it moves.

以上のように、本開示の第１態様に従えば、導電性を有する筒形状であり、中心軸ＡＸに沿った平面で複数に分割された分割部材１１を平面に沿った分割面１２の一部同士が隙間１３を空けて対向した状態で設けられ、分割面１２の他の部分同士が接合された筐体１０と、筐体１０の内部に当該筐体１０の中心軸ＡＸの軸線方向に並んだ状態で配置され、荷電粒子を通過可能な連通部２２により互いに連通された複数のセル部２０と、筐体１０の隙間１３に配置され、中心軸ＡＸを通る平面に沿って隙間１３を移動可能であり、移動により荷電粒子を加速させる電界の大きさを切り替えるスイッチ部材５０とを備える加速空洞が提供される。 As described above, according to the first aspect of the present disclosure, there is provided an acceleration cavity including: a housing 10 having a conductive cylindrical shape, in which a dividing member 11 is divided into a plurality of parts along a plane along the central axis AX, with parts of dividing surfaces 12 along the plane facing each other with gaps 13 therebetween and other parts of the dividing surfaces 12 joined together ; a plurality of cell units 20 arranged inside the housing 10 in a line along the axial direction of the central axis AX of the housing 10 and connected to each other by communicating parts 22 that allow charged particles to pass through; and a switch member 50 arranged in the gaps 13 in the housing 10 and movable in the gaps 13 along a plane passing through the central axis AX, and which switches the magnitude of the electric field that accelerates the charged particles as it moves.

Claims

a conductive cylindrical housing, in which divided members are divided into a plurality of sections along a plane extending along a central axis, with parts of the divided surfaces along the plane facing each other with gaps between them , and other parts of the divided surfaces being joined together ;
a plurality of cell units arranged inside the housing in a lined-up state in the axial direction of the central axis of the housing and connected to each other by communication units through which charged particles can pass;
a switch member that is disposed in the gap of the housing, that is movable in the gap along the plane, and that switches the magnitude of the electric field that accelerates the charged particles by the movement.

a coupling cavity provided inside the housing and communicating with adjacent cells at positions offset from the central axis,
The acceleration cavity according to claim 1 , wherein the switch member is arranged to appear and disappear from the coupling cavity.

The acceleration cavity according to claim 2 , wherein all of the coupling cavities are arranged on the same side of the cell portion in a direction perpendicular to the central axis.

the coupling cavity has a first space portion connected to the cell portion, a second space portion disposed at a position spaced apart radially outward with respect to the central axis from the first space portion, and a connecting portion connecting the first space portion and the second space portion in the radial direction,
The acceleration cavity according to claim 2 , wherein the switch member is arranged to appear and disappear from the connection portion.

a vacuum manifold connected to the plurality of cell portions via the gap;
The acceleration cavity according to claim 4 , wherein the second space portion of the coupling cavity is connected to the vacuum manifold.

The acceleration cavity according to claim 1 , wherein the housing has a movement gap in which the distance between the divided surfaces is larger than the gap, in at least a part of the movable range of the switch member.

The acceleration cavity according to claim 1 , further comprising a transmission mechanism that transmits a driving force generated outside the housing to the switch member.

The acceleration cavity according to claim 7 , wherein the transmission mechanism extends in a direction perpendicular to the plane.

The acceleration cavity according to claim 7 , wherein the transmission mechanism transmits the driving force so that the switch member rotates about a rotation axis extending in a direction perpendicular to the central axis.

The acceleration cavity according to claim 7 , wherein the transmission mechanism transmits the driving force so that the switch member slides in a direction along the central axis.