I didn't realize the flex cable was also dimensioned in the connector data
sheet!

Yes, I believe we can just draw something similar as a "DETAIL" onto our
fab dwg

Thanks, Steve.

On Thu, Apr 12, 2018 at 12:56 PM, Steven Kelly <[log in to unmask]> wrote:

> Hi Jack,
> If this was for a ZIF connector then you should have dimensioned the flex
> per the ZIF suppliers recommendation. If it was for some other application
> you should have still dimensioned it if it was important to the design .
> There are no defaults in the flex specifications. Regards  Steve Kelly
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Jack Olson
> Sent: April-12-18 1:20 PM
> To: [log in to unmask]
> Subject: [TN] flex fabrication
>
> I'm designing a flexible circuit that is little more than a glorified
> ribbon cable, but nothing "off-the-shelf" will work. (So it is just a
> single layer of conductors on polyimide with a coverlayer, but no tooling
> holes or any other features).
>
> Our first prototypes came back with the conductors off-center from the
> board outline. I can't find anything in IPC-6013 that addresses the
> relationship of the circuit pattern to the board outline, but it definitely
> has to be tighter than a typical rigid board.
>
> Is the "pattern-to-board-outline" relationship covered anywhere else?
> Do I have to add some kind of note or dimension to keep the pattern
> "centered" in the outline?
>