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A flexible printed circuit board produced by large-scale butt jointing

A printed circuit board, large-size technology, applied in the field of printed circuit board manufacturing, can solve the problems of inability to apply high-speed transmission signals, power division signals, large signal loss, etc., to achieve the effect of reducing signal loss and accurate alignment

Active Publication Date: 2017-05-17
GCI SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ultra-long flexible board connected by third-party connecting devices has a large signal loss at the connection, making it impossible to apply to products with high-frequency signals, high-speed transmission signals, and power division signals.

Method used

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  • A flexible printed circuit board produced by large-scale butt jointing
  • A flexible printed circuit board produced by large-scale butt jointing
  • A flexible printed circuit board produced by large-scale butt jointing

Examples

Experimental program
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Effect test

Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0025] A flexible printed circuit board produced by large-scale docking, including several flexible printed circuit board units spliced ​​together in sequence, and a protective film is provided at the joint between two flexible printed circuit board units to protect The surface of the film is bonded, welded or coated with conductive material for circuit conduction.

[0026] like figure 1 , 2 , according to the design plan, cut the large plate A and the large plate B into small plates a and b. like image 3 , to splice small plate a and small plate b together, the splicing side of small plate a is provided with two grooves for alignment, and the splicing side of small plate b and small plate a is provided with two protrusions matching the grooves The matching groove and the boss constitute the ali...

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PUM

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Abstract

The invention discloses a flexible printed circuit board produced by large-scale docking, which comprises several flexible printed circuit board units spliced ​​together in sequence, and the splicing place between two flexible printed circuit board units is provided with Protective film, the surface of the protective film is bonded, welded or coated with conductive material for circuit conduction; one splicing side of the joint of two flexible printed circuit board units is provided with a groove for alignment, and the other A splicing side is provided with a boss matching the groove. In the flexible printed circuit board of the present invention, the flexible printed circuit board unit is connected through the protective film, and the conductive material on the protective film is used to conduct the conduction of the circuit, without using a connector to connect, and the signal can be reduced to the greatest extent. loss. The flexible printed circuit board unit is provided with alignment grooves and bosses, which can make the flexible printed circuit board unit align more accurately. The conductive parameter of the conductive material is the same as that of the flexible printed circuit board unit, so the signal is basically transmitted without loss.

Description

technical field [0001] The invention relates to the field of printed circuit board manufacturing, and more specifically, relates to a flexible printed circuit board with a large-size docking process. Background technique [0002] Flexible printed circuit board (Flexible Printed Circuit, FPC; hereinafter referred to as flexible board), also known as flexible circuit board, flexible circuit board, flexible circuit board or soft board, is a special printed circuit board with Light, thin, soft and bendable. Restricted by raw material processing equipment, line exposure negative film processing equipment and processing technology, flexible boards are usually within 0.5 meters in length. In the communication industry, some specific components need to use ultra-long flexible boards with a length of more than 1 meter or even 2 meters. Due to the raw material processing equipment and circuit board exposure film manufacturing equipment, the length of the special flexible copper-clad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K1/14
Inventor 陈翔侯金坤任安源任代学詹世敬
Owner GCI SCI & TECH
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