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Microfluidic planar gradient coil and mounting bracket for superconducting pulsed nuclear magnetic resonance spectrometer

A technology of nuclear magnetic resonance spectroscopy and gradient coils, which is applied in the direction of instruments, measuring devices, and measuring magnetic variables, etc., can solve the problems of inability to adapt to planar gradient coils, etc., and achieve the effects of fast switching speed, high efficiency, and low resistance value

Active Publication Date: 2020-04-10
XIAMEN UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

Some documents provide the microfluidic coil support for NMR spectrometer, all of which are radio frequency microstrip coil supports, such as "A.Yilmaz, M.Utz, Contactless NMR Spectroscopy on a chip, Analytical Chemistry, 2012,84:3696-3702 " and "H.Ryan, S.H.Song, A.ZaB, J.Korvink, M.Utz, Characterization of oxygen permeation into amicrofluidic device for cell culture by in-situ NMR spectroscopy, lab on a chip, 2016,16(11):2079 -2085" involves the NMR microfluidic microstrip coil I-shaped bracket, which cannot be adapted to the planar gradient coil

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  • Microfluidic planar gradient coil and mounting bracket for superconducting pulsed nuclear magnetic resonance spectrometer
  • Microfluidic planar gradient coil and mounting bracket for superconducting pulsed nuclear magnetic resonance spectrometer
  • Microfluidic planar gradient coil and mounting bracket for superconducting pulsed nuclear magnetic resonance spectrometer

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Embodiment Construction

[0035] Please check Figure 1 to Figure 2 , a preferred embodiment of a microfluidic planar gradient coil for a superconducting pulse nuclear magnetic resonance spectrometer.

[0036] The microfluidic planar gradient coil of the superconducting pulse nuclear magnetic resonance spectrometer includes a first gradient coil circuit board, a second gradient coil circuit board, a ground terminal 600 and a series coaxial line 610 .

[0037] The first gradient coil circuit board as figure 2 As shown, the second gradient coil circuit board is shown as figure 1 As shown, the shape is a square structure with two interface handles. The two interface handles are located on both sides of the lower end of the square structure. The first gradient coil circuit board and the second gradient coil circuit board are installed in the gradient coil groove of the bracket. In addition, the coaxial cables are connected in series to form a surface double-plate gradient coil structure, and the planes ...

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Abstract

The invention discloses a microfluidic plane gradient coil of a superconducting pulse nuclear magnetic resonance spectrometer, and a mounting bracket of the microfluidic plane gradient coil. The gradient coil comprises a first gradient coil circuit board, a second gradient coil circuit board, a ground terminal and a series coaxial line; the two gradient coil circuit boards are mounted in a gradient coil groove of the bracket in a mirror symmetry mode and mutually connected in series to constitute a surface double-flat-plate structure, and the plane of a flat plate is parallel to the directionof a main magnetic field; and the two gradient coil circuit boards each have three layers. The mounting bracket comprises a bracket body and an upper cover plate, and the bracket body comprises a topdisc, a bottom disc and a connecting seat for connecting the top disc with the bottom disc. The microfluidic plane gradient coil is simple in structure, small in resistance value, high in efficiency and good in heat dissipation, and the mounting bracket can provide the sufficient microfluidic space to be matched with the gradient coil.

Description

technical field [0001] The invention relates to a microfluidic plane gradient coil technology for a superconducting pulse nuclear magnetic resonance spectrometer, in particular to a microfluidic plane gradient coil and a mounting bracket for a high-field superconducting pulse nuclear magnetic resonance spectrometer. Background technique [0002] Gradient coil is one of the important components of nuclear magnetic resonance spectrometer, which is mainly used to realize automatic shimming and spectral pulsed gradient field detection technology, so as to obtain better signal quality and more detection information. The gradient coil of the commercial superconducting pulse nuclear magnetic resonance spectrometer is on the top of the probe and wound on the cylindrical mounting bracket outside the radio frequency coil. It is composed of multiple pairs of circular or arc-shaped coils arranged along the direction of the main magnetic field. The coil plane is vertical in the direction...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R33/385
CPCG01R33/385G01R33/3858
Inventor 孙惠军孙斌游学秋陈家禾陈忠沈桂平
Owner XIAMEN UNIV
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