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How to produce Rigid-flex pcb boards

How to produce Rigid-flex pcb boards

 

The birth and development of FPC and PCB have given birth to the new product of soft and hard combination boards. Therefore, a soft hard combination board refers to a circuit board with FPC and PCB characteristics formed by combining flexible circuit boards and hard circuit boards through pressing and other processes according to relevant process requirements.

 

After the production of FPC soft boards is completed, what processes need to be followed to complete the production of soft and hard composite boards.

 

1. Punching

 

Drill holes on the FR4 circuit board and PP film, and the design on the alignment holes is different from the general through holes. After punching, browning treatment is required.

 

2. Riveting

 

Place the copper clad board, PP adhesive, and FPC circuit board in layers and align them neatly. The old process used to stack and press them step by step, but it was a waste of time. After multiple attempts, it was found that one stacking process can be completed.

 

3. Lamination

 

This is a relatively complete step in the production of soft and hard composite boards. Most of the materials are integrated for the first time. Firstly, the bottom layer of copper clad board and PP film are integrated, with the FPC soft board made in the previous process on top. On top of the FPC soft board, a layer of PP film is placed, followed by the final layer of copper clad board. All materials to be laminated are placed in sequence and pressed together.

 

ONESEINE Circuit Technology Co., Ltd. is a high-precision PCB multi-layer circuit board manufacturer, specializing in PCB circuit boards, HDI circuit boards, soft and hard combination boards, high-frequency boards/high-frequency circuit boards, PCB blind buried hole boards, long boards, ultra long circuit boards, long circuit boards, double-sided ultra long boards, ultra long circuit boards, special circuit boards, etc.


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