Scott,

2/10s  of a mil? Like .0002"?  You need a dielectric to hold the conductor and I don't think
you will find anything that thin.  We work with thinner materials than most and we make a
number or parts on .0005" polyimide with 3 microns of copper.  If anyone has anything less
than that I would like to talk to them.

Chuck Brummer
Acuson (818)734-4930

"Scott R. Madans" wrote:

> Howdy All,
>
> I am new to this list and I thank the folks at 3M's
> Microflex division for pointing me here.  Y'all can blame
> them later after reading this lengthily post...
>
> The acceptance of my lousy prototype was excellent, so I was
> looking at ideas for a more robust and fine-tuned design
> using a flexible circuit.
>
> I need a flexible PC board operating at 12v DC.  Size is
> about 1/2" x 6" or 8".  The mounting is static, but the
> flexible shape is required because of the variety of
> mountings.  Also, the outdoor environment will be greasy,
> dusty, wet, cold (-50F), sunny (UV) and hot (120F).  So, it
> needs to be durable.  There will be no direct abrasives.
> The board and protection should be no more than about
> 2/10ths thick.
>
> Is there something like that out there?  You've probably
> seen that "soft-touch" switch rubber used on keypads.  A
> slightly firmer version of that with copper cladding (or
> something to etch) would be about perfect, as long as it's
> tough stuff.
>
> Thanks in advance and I appreciate your guidance.
>
> - Scott
> (775) 849-2030
>
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