Manufacturing method of rigid-flexible combined board
A technology of rigid-flex board and manufacturing method, which is applied in multilayer circuit manufacturing, printed circuit manufacturing, electrical components, etc. It can solve problems such as easy to be torn, affect product flex performance, and sag, so as to avoid window opening The effect of high drop
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[0029] This embodiment provides a method for manufacturing a rigid-flex board, including the following steps:
[0030] (1) Make rigid layer, flexible layer and bonding layer respectively
[0031] Making the rigid layer: as in the production process of the PCB in the prior art, the raw materials of the PCB are cut to obtain the rigid core board of the required size. Through the processes of film coating, exposure, development, etching and film stripping in sequence, the inner layer circuit is made on the rigid core board. Carry out OPE punching processing and AOI inspection of the inner layer of the rigid core board, and the qualified products enter the next process, that is, blind grooves around the edge of the cut-off area on the rigid core board, and the opening of the blind groove is set On the side opposite the flex board, the rigid core board is then browned.
[0032] Making the flexible layer: Like the production process of the flexible circuit board (FPC) in the prior...
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