Steve Kelly wrote:
[log in to unmask]">Steve,Does anyone know which IPC covers layer-to layer registration requirements on multi-layer flex circuits. The only thing I can find is something in MIL-P-50884 which is moribund as well as out of date with today’s processes. Thanks. Steve Kelly
I think you want IPC-6013 with Amendment 1, "Qualification and Performance Specification for Flexible Printed Boards".
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Brian