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Manufacturing process of radial superconducting shimming coils

A shim coil and manufacturing process technology, applied in superconducting magnets/coils, coil manufacturing, magnetic objects, etc., can solve the problems of difficult mass production, poor manufacturing accuracy, and cumbersome operations.

Active Publication Date: 2014-01-15
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the disadvantages of poor manufacturing precision, cumbersome operation, and difficulty in mass production of the existing methods, and propose a manufacturing process for radial superconducting shim coils

Method used

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  • Manufacturing process of radial superconducting shimming coils
  • Manufacturing process of radial superconducting shimming coils
  • Manufacturing process of radial superconducting shimming coils

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0020] This embodiment is directed to the manufacturing method of the first radial superconducting shim coil composed of four saddle coils.

[0021] The steps of making the first radial superconducting shim coil in the present invention are as follows:

[0022] 1. will figure 1 The radial superconducting shim coil 1 shown in the three-dimensional space is expanded into a rectangular plane, and a rectangular ring of four saddle coils in the plane is drawn, and the radial superconducting shim coil of actual size is printed on the film substrate 3 The planar coil profile, such as image 3 As shown, the rectangular rings 1'a, 1'b, 1'c and 1'd including four saddle coils, and the incoming wire path 1'i, the outgoing wire path 1'e and the wire routing path 1'e1~1 'e3, the material of the film base is a transparent polyester film; the film base 3 p...

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Abstract

Provided is a manufacturing process of radial superconducting shimming coils. Firstly, the coil contours of the radial superconducting shimming coils (1) unfolded into planes are drawn on a film substrate (3); then, the film substrate (3) is fixed to a winding cylinder (4) in a covering mode; superconducting wires (7) are wound on the basis of the coil contours; the superconducting wires (7) are fixedly supported through epoxy sheets (6) and glass fiber fabric pre-impregnated materials (9) and meanwhile are further reinforced through UV glue (10) in a winding procedure; a plurality of saddle coils of the radial superconducting shimming coils (1) are manufactured in sequence; at last, the saddle coils are heated in a drying oven to be completely solidified, and the winding cylinder (4) is removed so as to obtain a set of radial superconducting shimming coils.

Description

technical field [0001] The invention relates to a manufacturing method of a superconducting coil, in particular to a manufacturing process of a superconducting shim coil for correcting the inhomogeneous component of the radial magnetic field. Background technique [0002] High uniformity superconducting magnet systems are used in nuclear magnetic resonance spectroscopy (NMR), nuclear magnetic resonance imaging (MRI) and other scientific instruments, which can generate a high magnetic field with a certain degree of uniformity in the desired area. Generally, the magnetic field uniformity required by the NMR spectrometer reaches 10 -8 (0.01ppm), the magnetic field uniformity required by MRI and other scientific instruments is about 10 -6 (1ppm). [0003] In general, superconducting magnet systems with high magnetic field uniformity can be obtained by electromagnetic design. However, due to various deviations introduced by processing, manufacturing and assembly, the actual co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F6/06H01F41/04
Inventor 李兰凯倪志鹏刘浩扬程军胜王秋良宋守森
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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