I have a design situation where I would like to do a one time "bend for
assembly" to a small PWB.  The board would be two sided, but would not have any
components in the bend zone.  The space I have for the bend is small.  This
leads me to four questions:
What is the thinnest commonly used FR4?  What is that materials minimum bend
radius?
What is the thinnest commonly used FR1?  What is that materials minimum bend
radius?

Thanks for your help
Mark Tucker

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