Hi,
This is a question to all the fab people.
My project requires a PCB that will have a finished thickness of 4.7 mm.  I
haven't found anyone who has a standard thickness very close, but know that
it's possible to build much thicker boards.  What is the best way to call
out such a construction?

The other significant details are:

- 2 layers, 1/2 oz. cu
- No plated through holes
- Gold flash finish, no soldermask
- Material will be in two versions, one FR4 and one in a hi-freq.substrate
- Boards will have an additional "cover" substrate layer laminated over the
top, but this is not included in the 4.7 mm thickness

I hope that was clear enough.

Thank you very much for any light you can shed on this.
Richard

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