Scattering-low dosage-rotary energetic ion irradiation device

An ion irradiation, low-dose technology, applied in the field of irradiation test of large batches of small samples, to achieve the effect of improving efficiency and large application value

Active Publication Date: 2015-07-29
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

To address the current lack of low-dose irradiation devices suitable for life evaluation of civilian devices

Method used

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  • Scattering-low dosage-rotary energetic ion irradiation device
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  • Scattering-low dosage-rotary energetic ion irradiation device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: A scattering-low-dose-rotating energy-carrying ion irradiation device, including a stepping motor bracket 6 fixedly connected to a vacuum flange 9, the stepping motor bracket 6 is fixedly connected to a stepping motor 5, and the stepping motor bracket 6 is fixedly connected to a stepping motor 5. The motor 5 drives the rotating target disk 4, and a fan-shaped baffle 3 is arranged in front of the rotating target disk 4, and the fan-shaped baffle 3 is connected on the stepping motor bracket 6; the beam detection device bracket 1 is located in front of the fan-shaped baffle 3, and A beam detection device 2 is provided.

[0021] A beam spot fluorescent target detection device 8 is arranged in front of the rotating target disk 4 , and is connected with a fluorescent target telescopic device 10 through a vacuum flange 9 and a vacuum bellows 7 .

[0022] The beam detection device 11 is a gold-silicon surface barrier detector or a silicon multi-strip detector.

...

experiment example

[0027] Experimental example: a scattering-low dose-rotating energy-carrying ion irradiation device, including a scattering target film (), a rotating target disk, a stepping motor, a fan-shaped baffle, a beam detection device located in front of the fan-shaped baffle, and a target chamber Internal lighting power supply, beam detection device located behind the rotating target disk, lifting beam spot detection device, vacuum chamber, observation window, connection of wiring devices outside the vacuum chamber and the sample stage inside the vacuum chamber, located outside the vacuum chamber stepper motor control device. The rotation of the rotating target disk located inside the vacuum chamber is realized through the stepper motor control device located outside the vacuum chamber, so that the fast heavy ions irradiate samples in at least seven sectors. The scattering target film can spread the beam to a disc with a radius of about 7cm (see figure 2 ), using the gradient distri...

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Abstract

The invention relates to a scattering-low dosage-rotary energetic ion irradiation device which is mainly applied to a low dosage energetic ion irradiation material experiment in a normal temperature environment and is particularly suitable for the irradiation experiment of batch small samples. The scattering-low dosage-rotary energetic ion irradiation device is mainly characterized by comprising a stepping motor support which is fixedly connected on a vacuum flange. A stepping motor is fixedly connected with the stepping motor support. The stepping motor drives a rotating target disc. A fan-shaped baffle plate is arranged in front of the rotating target disc. The fan-shaped baffle plate is connected on the stepping motor support. A beam detection device support is arranged in front of the fan-shaped baffle plate, and a beam detection device is arranged on the beam detection device support. Advantages of the scattering-low dosage-rotary energetic ion irradiation device are that large area of scattered beams are acquired so that efficiency of the irradiation experiment is greatly enhanced.

Description

technical field [0001] The invention relates to a scattering-low-dose-rotating energy-carrying ion irradiation device, which is mainly used in low-dose energy-carrying ion irradiation material experiments in a normal temperature environment, and is especially suitable for irradiation tests of large batches of small samples. Background technique [0002] Because heavy ions have the advantage of large damage, they can quickly introduce defects into materials, and the defects are controllable. At present, the life evaluation of some civilian devices also involves the accumulation of defects. Compared with the defects generated by current, the use of heavy ion radiation According to the method, defects can be introduced quickly, and the number of defects introduced is controllable. To simulate defects caused by current, a small radiation dose is required. This test device can spread the normal beam intensity over a relatively large area at the end of the accelerator beamline, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21K5/00G21K5/08G21K5/04
CPCG21K5/00G21K5/04G21K5/08
Inventor 宋银缑洁张崇宏杨义涛
Owner INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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