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High-energy proton beam density distribution testing device

A beam density and distribution testing technology, applied to electrostatic dosimeters, dosimeters, etc., can solve problems such as failure, catastrophic consequences of satellites or space vehicles, and performance degradation, and achieve the effect of small external interference

Inactive Publication Date: 2017-05-10
中国空气动力研究与发展中心超高速空气动力研究所
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Problems solved by technology

[0003] For electronic systems applied to satellites or space vehicles, in the natural space radiation environment, the performance is often reduced or malfunctioned due to space radiation, and even ultimately leads to catastrophic consequences for satellites or space vehicles

Method used

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  • High-energy proton beam density distribution testing device

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Embodiment Construction

[0015] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0016] like figure 1 As shown, a high-energy proton beam current density distribution test device includes a vacuum chamber 1, a Faraday cup 3, a multi-dimensional mobile platform 6, a shielding box 8 and an electrometer 9, wherein the Faraday cup 3 is fixed in the vacuum chamber through the multi-dimensional mobile platform 6 1, and make the Faraday cup 3 correspond to the proton beam 2 in the vacuum chamber 1; the multi-dimensional mobile platform 6 can be a platform structure that uses electromechanical for two-dimensional movement, or a stepping motor for axial, normal and radial To a three-dimensional mobile platform with position control, the multi-dimensional mobile platform 6 can drive the Faraday cup 3 to move in the vacuum chamber 1, and detect the change of the proton beam current density at various positions inside the vac...

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Abstract

The invention relates to the technical field of proton adsorbed dose research, and specifically relates to a high-energy proton beam density distribution testing device. The device comprises a vacuum cavity, a Faraday cup, a multi-dimensional moving platform, a shielding box and a static electrometer, wherein the Faraday cup is fixed in the vacuum cavity through the multi-dimensional moving platform, and is enabled to be opposite to a proton beam in the vacuum cavity. The Faraday cup is connected with the input end of the static electrometer in the shielding box, and a grounding end of the static electrometer and the Faraday cup are connected with a side wall of the vacuum cavity through grounding lines. A motor controller in the shielding box is connected with the multi-dimensional moving platform, and can control the multi-dimensional moving platform to move. The device provided by the invention can test the density distribution of the high-energy proton beam in the vacuum cavity, and can achieve the comprehensive assessment of a charge environment in an electronic sample room. The impact on the device from the external interference is small, and the device can effectively detect the density distribution of the high-energy proton beam.

Description

technical field [0001] The invention belongs to the technical field of proton absorbed dose research, and in particular relates to a high-energy proton beam current density distribution testing device. Background technique [0002] Proton is an important bombardment particle used to produce reactions in nuclear physics and particle physics experiments, and it is also the main component of cosmic rays. The composition of ionizing radiation in space is very different from that on the ground, and the radiation intensity is also higher than that on the ground. In extraterrestrial space, ionizing radiation is an important environmental factor that must be encountered and unavoidable in space activities. [0003] For electronic systems applied to satellites or space vehicles, in the natural space radiation environment, the performance is often reduced or malfunctioned due to space radiation, and even ultimately leads to catastrophic consequences for satellites or space vehicles. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/14
CPCG01T1/14
Inventor 伍越
Owner 中国空气动力研究与发展中心超高速空气动力研究所
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