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Flexible printed circuit board and manufacturing method of magnetic field coil based on the printed circuit board

A flexible printing and magnetic field coil technology, which is applied in multilayer circuit manufacturing, printed circuit components, and printed electrical components, etc., can solve the discrepancy between design results and test results, difficulty in changing parameters of magnetic field coils, low pass rate, etc. problem, to achieve the effect of convenient modification of parameters, good consistency, improvement of efficiency and yield

Active Publication Date: 2019-10-22
BEIJING INST OF AEROSPACE CONTROL DEVICES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to change the parameters of the magnetic field coil processed by the traditional coil method, and there are various problems such as complicated steps, poor consistency, low pass rate, and inconsistent design results and test results.

Method used

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  • Flexible printed circuit board and manufacturing method of magnetic field coil based on the printed circuit board
  • Flexible printed circuit board and manufacturing method of magnetic field coil based on the printed circuit board
  • Flexible printed circuit board and manufacturing method of magnetic field coil based on the printed circuit board

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Embodiment

[0069] 1. Continuous parallel connection embodiment. Parallel connection means that the current flows (flows) from pad a and pad c, and flows (flows) from pad b and pad d, then all adjacent pads a and pad c must be able to conduct, and all phases Adjacent pads b and d must be conductive, and all four pads are required to be conductive pads. Therefore, it is determined that version A must be arranged in order to achieve parallel connection. For example, 5 parallel structures, a placement order is as follows:

[0070] A+: A- / A+: A- / A+: A- / A+: A- / A+: A-.

[0071] 2. Embodiment of continuous series connection. The series connection requires that only one corresponding pad is connected between the lower coil on the upper circuit board and the upper coil on the lower circuit board, and the other corresponding pads are insulated from each other. In this embodiment, a certain pad of the upper coil of the circuit board below is used for insulation, such as a 5-series structure, and...

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Abstract

Flexible printed circuit board and magnetic field coil manufacturing method based on the printed circuit board are disclosed, the method employs a flexible printed circuit board of one structure andthree layouts to realize the series-parallel adjustable magnetic field coils according to different combinations, thus the magnetic field coils with different magnetic field intensities can be conveniently manufactured. At the same time, by changing the number of series-parallel magnetic field coils, the total current demand for magnetic field coils can be changed, and the restriction on the supply current source can be reduced. The implementation of the method first requires a flexible printed circuit board, The circuit board consists of front and back coils, and the projection structure of the two coils is the same. According to the difference of the circuit board pads, the circuit board is divided into three types. The series and parallel combination of the magnetic field coils is realized by different combinations of the three types of circuit boards, so as to realize the magnetic intensity adjustment of the magnetic field coils. The magnetic field coil manufactured by the method provided by the invention has the advantages of regular structure and good consistency. Magnetic field coil magnetic field intensity is adjustable and power supply total current demand is adjustable.

Description

technical field [0001] The invention relates to the field of manufacturing magnetic field coils, in particular to a method for manufacturing magnetic field coils by using a flexible printed circuit board. Background technique [0002] In recent years, with the rapid development of quantum technologies such as atomic clocks, atomic magnetometers, cold atom interference gyroscopes, and nuclear magnetic resonance gyroscopes, related research uses Helmholtz coils to generate uniform magnetic fields to regulate atomic spin precession and Compensation of the Earth's magnetic field, through anti-Helmholtz coils to generate gradient magnetic fields and optical fields for atom capture and other work. The requirements for coil performance and structure are diverse, and the importance of convenient and fast fabrication of magnetic field coils has gradually become prominent. It is difficult to change the parameters of the magnetic field coil processed by the traditional coil method, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K1/11H05K1/16H05K3/46
Inventor 王鹏程李洁赵博涛李嘉华魏小刚
Owner BEIJING INST OF AEROSPACE CONTROL DEVICES
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