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shim tooling

A tooling and rotating shaft technology, applied in the field of superconducting nuclear magnetic resonance magnet testing, can solve problems such as complex operation and complex structure

Active Publication Date: 2020-12-22
WEIFANG XINLI SUPERCONDUCTING MAGNETIC TECHCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current shimming tool is usually a multi-probe measuring instrument-meniscus type shimming tool, which is usually suitable for large-diameter magnets, and the structure is relatively complicated and the operation is complicated.

Method used

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] The core of the present invention is to provide a shimming tool with a relatively simple structure and convenient operation.

[0029] In the description of the present invention, the axial direction, circumferential direction and radial direction are based on the rotation center of the rotating shaft for ease of description and should not be construed as limiting the present application. In addition, first, second, and third are for descriptive purposes...

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Abstract

The invention discloses a field homogenization tooling which comprises a first positioning disk, a rotating shaft and a probe, wherein the first positioning disk is used for being supported in a middle through hole of a magnet; the rotating shaft is inserted on the first positioning disk; the rotating shaft can rotate relative to the first positioning disk; the probe is fixedly connected to the rotating shaft; and a fixed position of the probe on the rotating shaft is adjustable along a radial direction. In the field homogenization tooling, the field homogenization tooling can be reliably supported and positioned by adopting the first positioning disk and by regulation on the mounting position of the probe and rotation of the rotating shaft, measurement on magnetic field intensity of all measurement points can be implemented; and the field homogenization tooling is convenient to operate and simple in structure and particularly can be applicable to measurement on a magnet with a small caliber.

Description

technical field [0001] The invention relates to the technical field of superconducting nuclear magnetic resonance magnet testing, in particular to a shimming tool. Background technique [0002] Shimming is the final realization of the highly uniform magnetic field of NMR magnets. The shimming process requires the support of shimming software and hardware. Among them, the software is a shimming optimization algorithm, and the hardware has shimming tools. The shimming process is: use the shimming tool and its inner probe to measure the magnetic field strength of 24x24 points on the surface of the imaging area, which is a spherical surface, and input the measurement data into the shimming software to optimize the optimal patch number and patch Spatial location, inhomogeneities in the imaging area are counteracted by the patch's polarizing magnetic field. [0003] The current shimming tool is usually a multi-probe measuring instrument-meniscus type shimming tool, which is usu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R33/38
CPCG01R33/38
Inventor 滕秀荣王兆连杨文晖李培勇张义廷程东芹
Owner WEIFANG XINLI SUPERCONDUCTING MAGNETIC TECHCO
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