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Slit device and four-blade slit

A technology of slits and blades, which is applied in the direction of measuring devices, transmission devices, instruments, etc., can solve the problems of small slit opening range and low slit opening precision, and achieve large opening range, precise slit opening and closing, and reduced effect of error

Inactive Publication Date: 2014-12-17
INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In view of the problems existing in the prior art, the purpose of the present invention is to provide a slit device to solve the problem that the slit opening precision of the prior art slit device is not high when the slit opening range is large, and the slit opening precision is high when the slit opening precision is high. The problem that the opening range of the slit is too small

Method used

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  • Slit device and four-blade slit
  • Slit device and four-blade slit
  • Slit device and four-blade slit

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Embodiment Construction

[0027] Some typical embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different implementations, but they do not depart from the scope of the present invention, and the descriptions and drawings therein are essentially for illustrative purposes, not to limit the present invention. invention.

[0028] The four-knife slit in the embodiment of the present invention may have the slit devices of the various embodiments of the present invention, that is, the slit devices that are arranged horizontally and vertically are the slit devices of the embodiment of the present invention.

[0029] The slit device according to the embodiment of the present invention will be described in detail below with reference to the accompanying drawings. This embodiment is described by taking a slit device vertically arranged as an example. In this...

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Abstract

The invention discloses a four-blade slit and a slit device thereof. The slit device comprises a main body substrate (1), a first sliding table (9), a second sliding table (2), a first slit blade (7) and a second slit blade (5) which are arranged on two opposite inner sides of the first sliding table (9) and the second sliding table (2), a main driving mechanism for driving the first sliding table (9) to slide relative to the main body substrate (1) and a secondary driving mechanism which is fixedly connected to the first sliding table (9) and is used for driving the second sliding table (2) to slide relative to the main body substrate (1). By the slit device, the error of two lead screws during independent movement can be reduced greatly, so that the accuracy of a slit opening is high, and a dozen micron-order slit can be obtained.

Description

Technical field [0001] The present invention relates to the field of optical instruments, and in particular to a slit device that can be used in various neutron scattering spectrometer systems or other spectrometer systems that require slit widths to be adjusted in a wide range with high accuracy and with the slit device A kind of four-knife slit. Background technique [0002] Neutron scattering technology was developed in the 1940s and 1950s. Because neutrons have strong penetrating ability, certain static mass and uncharged characteristics, they are used to study the position and arrangement of atoms in matter. Its experimental methods include neutron diffraction, neutron small-angle scattering and neutron reflection techniques. As a research tool, its application has been involved in physics, chemistry, chemical engineering, biology, geology and minerals, and Materials science and other research fields. [0003] In the neutron scattering experiment, it is necessary to intercep...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H25/20G01J3/04
Inventor 肖松文朱涛韩庆夫段红星王璐
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI