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Position Sensitive Detectors for Higher Energy Heavy Ion Beam Diagnostics

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: 2018-02-06
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 Detectors for Higher Energy Heavy Ion Beam Diagnostics
  • Position Sensitive Detectors for Higher Energy Heavy Ion Beam Diagnostics
  • Position Sensitive Detectors for Higher Energy Heavy Ion Beam Diagnostics

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 fields of radioactive nuclear beam physics, heavy ion beam therapy of tumors, heavy ion irradiation materials and heavy ion irradiation breeding. A position-sensitive detector for high-energy heavy ion beam diagnosis, its main feature is that a beam probe is provided in a gas-sealed cavity, and the beam probe is fixedly connected to the fixed bracket of the port sealing flange assembly; The gas-tight chamber includes an incident window on one side of the gas box, and an exit window on the other side; the beam probe consists of two sets of beam measurement units, and each set of beam measurement units consists of a high-voltage pole, an insulating backing plate The port sealing flange assembly is composed of a fixed bracket and a port sealing flange; the multi-channel signal lead-out adapter board includes a multi-channel signal lead-out board and a multi-channel signal adapter board; the multi-channel signal adapter board One end is provided with a contact end inserted into the sealing port of the sealing flange to connect with the signal output end of the multi-channel signal lead-out board, and the other end is provided with a multi-core connector which is the signal output port of the beamline position sensitive detector, and the multi-channel signal lead-out board The signal input end of the sensor is connected to the signal pole 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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Patent Type & Authority Patents(China)
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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