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Charged particle accelerator and charged particle acceleration method

A technology of charged particles and accelerators, applied in DC voltage accelerators, linear accelerators, magnetic resonance accelerators, etc., can solve the problems of cost increase, inability to increase energy gain, increase in the number of device components, etc., and achieve the effect of large energy gain

Inactive Publication Date: 2013-04-03
QUAN JAPAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In the above-mentioned existing spiral orbit type charged particle accelerator, the energy gain cannot be increased due to the defect of synchronicity in the relativistic energy region, and in order to correct the defect of synchronicity, it is necessary to change the accelerating high-frequency voltage or the distribution of the magnetic field. function, there are problems such as an increase in the number of device parts and an increase in cost

Method used

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  • Charged particle accelerator and charged particle acceleration method
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  • Charged particle accelerator and charged particle acceleration method

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Embodiment approach 1

[0079] figure 1 It is a configuration diagram of a linear orbit type charged particle accelerator according to Embodiment 1 of the present invention. in figure 1 Among them, 1 is the ion source, 2 is the charged particles drawn from the ion source, and LA#1~LA#28 are 28 accelerating electrode tubes for accelerating the charged particles 2, including the final stage dummy electrode tube 7. Linear (straight line). 3 is a 20KV DC power supply, its output is connected to 9 switching circuits via ammeter 4 The I terminal. Similarly, 5 is a 200KV DC power supply, and its output is connected to 19 switching circuits via ammeter 6 The I terminal. 8 is the control device, connected to the output of the ammeters 4 and 6. Switching circuit The O terminals are respectively connected to the acceleration electrode tube The output of the control device 8 is connected to the switching circuit It is configured to be able to switch each switching circuit in accordance with an instructio...

Embodiment approach 2

[0106] Figure 4A and Figure 4B Each is a plan view and a side view showing the structure of a spiral orbit type charged particle accelerator according to Embodiment 2 of the present invention. in Figure 4A and Figure 4B Among them, 40 is a charged particle, 41 is an acceleration unit, 42 is an adjustment unit, 43 is a detection unit, and 44 and 45 are deflection magnets.

[0107] The detailed structures of the acceleration unit 41, the adjustment unit 42 and the detection unit 43 are shown in Figure 5A~Figure 5C , Figure 6A~Figure 6C and Figure 7A~Figure 7C . The acceleration unit 41 is an assembly of modules with a width of 60 mm, a height of 30 mm, and a depth of 30000 mm (30 m) called an acceleration unit. Similarly, the adjustment unit 42 is an assembly of modules with a width of 60 mm, a height of 30 mm, and a depth of 6050 mm called an adjustment unit, and the detection unit 43 is an assembly of modules with a width of 60 mm, a height of 30 mm, and a depth of 60 mm c...

Embodiment approach 3

[0143] Figure 21 It is a schematic diagram showing the configuration of a charged particle detection system according to Embodiment 3 of the present invention. in Figure 21 Among them, 40 is a charged particle, 50 is a detection electrode tube #1, 51 is a detection electrode tube #2, 52 is a detection electrode tube #3, 54 is a 1KV DC power supply, and 55 is an ammeter. For use Figure 4A and Figure 4B The spiral orbit type charged particle accelerator shown accelerates the charged particles (6-valent carbon ions), and it needs to be accelerated to 2MeVZu with the previous accelerator. in Figure 21 In the example shown, charged particles accelerated to 2 MeV are incident from the conveying path 56 into the primary acceleration unit AC#1 of the spiral orbit type charged particle accelerator.

[0144] Next, the operation of the charged particle detection system with the above-mentioned structure will be described. A fixed voltage is applied to the three detection electrode tub...

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Abstract

A cascade of accelerating electrode tubes that apply an accelerating electric potential to a charged particle (2) are provided. With a controller (8) appropriately controlling timings to apply an accelerating voltage to the accelerating electrode tubes, accelerating energy can be gained each time the charged particle (2) passes through gaps between the accelerating electrode tubes.

Description

Technical field [0001] The present invention relates to a charged particle accelerator for accelerating charged particles and a method for accelerating charged particles. More specifically, it relates to a linear orbit type accelerator and a spiral orbit type accelerator that realize the generation of an accelerated electric field by a combination of a high-voltage pulse generator and a control device, and a method for accelerating charged particles based on these charged particle accelerators. Background technique [0002] Figure 23A and Figure 23B The structure of a conventional charged particle accelerator described in Patent Document 1 below is shown. This charged particle accelerator is a cyclotron which is a representative example of a spiral orbit type charged particle accelerator. in Figure 23A and Figure 23B Among them, 70 is a magnet, 71 and 72 are accelerating electrodes, 73 is a high-frequency power source, and the high-frequency power source 73 supplies accelerati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H15/00H05H9/00H05H13/00
CPCH05H13/10H05H5/06H05H7/02H05H7/22H05H2007/222H05H9/00H05H13/00H05H15/00
Inventor 古久保雄二上野雅敏向真澄松永雅彦
Owner QUAN JAPAN
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