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Adjusting device for first collimator of neutron texture diffractometer

A technology of adjusting device and collimator, applied in the direction of using diaphragm/collimator, material analysis using radiation diffraction, etc., can solve the problems of large occupied space, increase the cost of external shielding body, etc., to reduce the occupied space , the effect of reducing costs

Active Publication Date: 2012-01-25
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] When the positions of multiple first collimators are adjusted, the multiple first collimators move as a whole, occupying too much space and greatly increasing the cost of the external shield

Method used

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  • Adjusting device for first collimator of neutron texture diffractometer
  • Adjusting device for first collimator of neutron texture diffractometer
  • Adjusting device for first collimator of neutron texture diffractometer

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Embodiment

[0025] An embodiment of the present invention provides a first collimator adjustment device for a neutron texture diffractometer. The neutron texture diffractometer includes a plurality of first collimators, including a translation guide rail, and the translation guide rail is provided with a device for installing the first collimators and enabling each first collimator to translate independently. translation unit.

[0026] image 3 The structure diagram of the first collimator is shown. The CARR stack neutron texture diffractometer is equipped with two first collimators with divergences of 10′ and 30′ respectively. Only one collimator is selected for each experiment. Therefore, according to the design scheme of the spectrometer, the first collimation divergences that can be selected experimentally are 10', 30' and Open (Open means no collimator is used).

[0027] Such as Figure 4 As shown, the adjustment device includes a first collimator 3 and a translation guide rail 4 ...

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Abstract

The invention, which relates to the neutron scattering technology field, discloses an adjusting device for a first collimator of a neutron texture diffractometer. In the prior art, when position adjustment is carried out on a plurality of first collimators, the plurality of first collimators are moved integrally, an occupied space volume is too large, and costs on an external shield are increased substantially; however, the above-mentioned problems can be solved according to the invention. A scheme provided in the embodiment of the invention is as follows: the invention provides an adjusting device for a first collimator of a neutron texture diffractometer; the neutron texture diffractometer comprises a plurality of first collimators and a translation guide rail; a translation units, which are used for installing the plurality of first collimators and enable each the first collimator to make translational motions independently, are arranged on the translation guide rail. The embodiment of the invention is suitable for application to a neutron texture diffractometer and the like.

Description

technical field [0001] The invention relates to the technical field of neutron scattering, in particular to a first collimator adjustment device of a neutron texture diffractometer. Background technique [0002] The first collimator of the neutron texture diffractometer is used to precisely limit the angular divergence of the incident neutron beam, so that the spectrometer can achieve the required resolution and reduce the background count. The first collimator is a very important part of the neutron texture diffractometer. Most neutron texture diffractometers are equipped with multiple first collimators with different divergences, and the multiple first collimators are placed on the collimator adjustment device. [0003] At present, there are two main types of first collimator adjustment devices for neutron texture diffractometers: first, such as figure 1 As shown, multiple first collimators with different divergences are selected by vertically moving the adjustment devic...

Claims

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Application Information

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IPC IPC(8): G01N23/20G21K1/02
Inventor 陈东风李眉娟刘晓龙吴立齐吴展华田庚方杨浩智李峻宏高建波焦学胜李天富韩文泽肖红文余周香胡瑞孙凯王洪立刘蕴韬
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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