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Position sensitive detector for higher energy heavy ion beam diagnosis

A technology of heavy ion beams and detectors, which is applied in the structural field of position measurement detectors, can solve the problems of fluorescent targets that are difficult to give quantitative results and low sensitivity, and achieve good social effects and improve beam quality.

Active Publication Date: 2014-10-08
INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the fluorescent target is difficult to give quantitative results and the sensitivity is not high, it cannot meet the current needs

Method used

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  • Position sensitive detector for higher energy heavy ion beam diagnosis
  • Position sensitive detector for higher energy heavy ion beam diagnosis
  • Position sensitive detector for higher energy heavy ion beam diagnosis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Example 1: see figure 1 , 2 , 4, 5, 6, 7, a position-sensitive detector for high-energy heavy ion beam diagnosis, including a gas-sealed chamber 1 with a beam probe 2, and the beam probe 2 is fixedly connected to the port seal On the fixed bracket 3-1 of the flange assembly 3; the gas sealing chamber 1 includes an incident window 1-2 on one side of the gas box 1-1, and an exit window 1-3 on the other side; a beam probe 2 consists of two sets of beam current measurement units, each set of beam current measurement units is composed of high voltage poles 2-1, insulating backing plates 2-2 and signal poles 2-3 arranged in sequence; the port sealing flange assembly 3 consists of a fixed bracket 3- 1 and the port sealing flange 3-2; the multi-channel signal lead-out adapter plate 4 includes the multi-channel signal lead-out plate 4-1 and the multi-channel signal adapter plate 4-2; the multi-channel signal adapter plate 4-2 One end is provided with a contact end 4-2-1 insert...

Embodiment 2

[0057] Example 2: see figure 1 , 2 , 4, 5, 6, 7, a position sensitive detector for higher energy heavy ion beam diagnostics.

[0058] The signal pole 2-3 of the beam probe 2 has an effective area of ​​74×100mm 2 , and a multi-channel signal strip 2-3-1 designed on a hard PCB board with a thickness of 0.2mm. 0.3mm and 1.6mm, the thickness of 35μm copper foil connections, wherein the distance between each signal bar 2-3-1 is 0.2mm and 0.4mm.

[0059] The two groups of beam current measurement units in the beam probe 2, the signal bar 2-3-1a on the first group of signal poles 2-3a and the signal bar 2-3 on the second group of signal poles 2-3b The directions of -1b are perpendicular to each other.

[0060] The high voltage pole 2-1-1 in the beam probe 2 structure has an effective area of ​​74×100mm 2 The conductive film, whose film frame is composed of epoxy resin aluminum-plated plate frame with conductive electrodes, wherein the thickness of the conductive film is a single...

Embodiment 3

[0067] Embodiment 3: see figure 1 , 2, 4, 5, 6, 7, a position-sensitive detector for high-energy heavy ion beam diagnosis, including a gas-sealed chamber 1 with a beam probe 2, and the beam probe 2 is fixedly connected to the port seal On the fixed bracket 3-1 of the flange assembly 3; the gas sealing chamber 1 includes an incident window 1-2 on one side of the gas box 1-1, and an exit window 1-3 on the other side; a beam probe 2 consists of two sets of beam current measurement units, each set of beam current measurement units is composed of high voltage poles 2-1, insulating backing plates 2-2 and signal poles 2-3 arranged in sequence; the port sealing flange assembly 3 consists of a fixed bracket 3- 1 and the port sealing flange 3-2; the multi-channel signal lead-out adapter plate 4 includes the multi-channel signal lead-out plate 4-1 and the multi-channel signal adapter plate 4-2; the multi-channel signal adapter plate 4-2 One end is provided with a contact end 4-2-1 inse...

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Abstract

The invention relates to the field of radioactive nuclear beam physics, heavy ion beam cancer treatment, heavy ion irradiation materials and heavy ion irradiation breeding. A position sensitive detector for higher energy heavy ion beam diagnosis is mainly characterized in that a beam probe is arranged in an air seal cavity, and the beam probe is fixedly connected to a fixing support of a port sealing flange assembly. The air seal cavity comprises an incidence window arranged on one side of an air box and an exitance window arranged on the other side of the air box. The beam probe is composed of two beam measuring units. Each beam measuring unit is composed of a high voltage pole, an insulating cushion plate and a signal pole which are sequentially arranged. The port sealing flange assembly is composed of the fixing support and a port sealing flange. A multichannel signal leading out pin board comprises a multichannel signal leading out board and a multichannel signal pin board. A contact end is arranged at one end of the multichannel signal pin board, inserted into a sealing opening of a sealing flange, and is connected with the signal output end of the multichannel signal leading out board. A multi-core connector is arranged at the other end of the multichannel signal pin board and serves as a signal output end opening of the beam position sensitive device. The signal input end of the multichannel signal leading out board is connected with the signal poles of the beam probe.

Description

Technical field: [0001] The invention relates to the fields of radioactive nuclear beam physics, heavy ion beam treatment of tumors, heavy ion irradiated materials and heavy ion irradiated breeding. The structure and application method of a position measuring detector with a large range of measuring beam current intensity in a vacuum environment. Background technique: [0002] Radioactive nuclear beam physics is the frontier field of nuclear physics today. Experimentally, radioactive secondary beams are used to study the structure and reaction of electron-rich or proton-rich unstable nuclei. Heavy ion beam therapy for tumors is a new method of cancer treatment. It has both biological advantages and dose distribution advantages when used in radiotherapy. Treatment with high precision (millimeter level), high curative effect and high safety. Whether it is in radioactive nuclear beam physics experiments or heavy ion beam therapy tumor technology or in the process of heavy ion...

Claims

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Application Information

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IPC IPC(8): G01T1/29
Inventor 毛瑞士赵祖龙徐治国康新才赵铁成
Owner INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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