Target material for neutron line generating device

A technology for generating devices and neutrons, which is applied in the direction of X-ray/γ-ray/particle irradiation therapy, etc. It can solve the problems that affect the service life of the target, the metal of the target is easy to foam, and the temperature of the target rises, so as to reduce the temperature. , good mechanical properties and mechanical properties, the effect of inhibiting foaming

Pending Publication Date: 2021-06-11
NEUBORON THERAPY SYST LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0004] In the accelerator boron neutron capture therapy, the accelerator boron neutron capture therapy accelerates the proton beam through the accelerator, the proton beam is accelerated to an energy sufficient to overcome the Coulomb repulsion of the target nucleus, and undergoes a nuclear reaction with the t

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  • Target material for neutron line generating device
  • Target material for neutron line generating device
  • Target material for neutron line generating device

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0023] Such as figure 1 , the neutron capture therapy system in this embodiment is preferably a boron neutron capture therapy system 100 , including a neutron generator 10 , a beam shaper 20 , a collimator 30 and a treatment table 40 . The neutron generating device 10 includes an accelerator 11 and a target T. The accelerator 11 accelerates charged particles (such as protons, deuterium nuclei, etc.) to generate charged particle beams P such as proton beams. The charged particle beams P irradiate the target material T and interact with The target T acts to generate neutron rays (neutron beams) N, and the target T is preferably a metal target. Select the appropriate nuclear reaction based on the required neutron yield and energy, the available accelerated charged particle ener...

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Abstract

The invention relates to a target material for a neutron line generation device, which is high in strength, good in radiation damage resistance and small in radioactivity after being activated by neutrons, foaming can be inhibited, the heat dissipation performance of the target material is improved, and the service life of the target material is prolonged. According to the target material for the neutron line generation device, the target material comprises an acting layer and a heat conduction layer, the acting layer can act with incident particle lines to generate neutron lines, the heat conduction layer supports the acting layer, the heat conduction layer is made of a metal-based graphene nano composite material, and the metal-based graphene nano composite material is a metal-based graphene nano composite material. The thermal conductivity of the metal-based graphene nano composite material is improved by more than 20% relative to that of the metal matrix.

Description

technical field [0001] One aspect of the present invention relates to a target used in a radiation irradiation system, in particular to a target used in a neutron ray generating device. Background technique [0002] With the development of atomic science, radiation therapy such as cobalt 60, linear accelerator, and electron beam has become one of the main means of cancer treatment. However, traditional photon or electron therapy is limited by the physical conditions of the radiation itself. While killing tumor cells, it will also cause damage to a large number of normal tissues along the beam path; in addition, due to the different sensitivity of tumor cells to radiation, traditional radiation therapy Treatment for more radioresistant malignant tumors (eg glioblastoma multiforme, melanoma) is often less effective. [0003] In order to reduce radiation damage to normal tissues around the tumor, the concept of target therapy in chemotherapy (chemotherapy) has been applied to ...

Claims

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Application Information

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IPC IPC(8): A61N5/10
CPCA61N5/10A61N2005/1092A61N2005/109
Inventor 刘渊豪伍盛煜陈韦霖
Owner NEUBORON THERAPY SYST LTD
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