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Creating Rigid Flex PCB

HSID

I need to create a rigid-flex design.

A question I have is regarding the coverlay, coverlay clearance and stiffener.

Do I need to create a coverlay shape, basically the length and width of my flex circuit to create the size of the coverlay? Or does the Allegro tool know the boundaries of the coverlay by the flex zones created.

Or do you just need to create a coverlay opening for gold fingers at the end of the flex tail.

This is supposed to be for creating an opening in the coverlay so as not to go over the gold fingers.

What class/subclass is used, I assume Rigid/Coverlay top or bottom?

How do I create the stiffener in the stackup editor for the FPC connector.

Thanks

  • FPC engineer bean

    HI,
    I think it need to create a coverlay shape.
    I just finish my new FPC board at yesterday.
    I design a FPC borad gerber file,and i send it to pcbgogo.com/flexible.aspx

    Their engineer was very good,i got something wrong they check my files and tell me how to fix it.
    It is very useful.

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