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Subject: Re: Looking for someone to do PCB design for me (Mississauga, ON)
References: <email@example.com> <firstname.lastname@example.org>
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NNTP-Posting-Date: Sat, 11 Jan 2003 11:46:55 EST
Organization: Prodigy Internet http://www.prodigy.com
Date: Sat, 11 Jan 2003 16:46:55 GMT
On Fri, 10 Jan 2003 16:20:08 GMT, Grahame_Olney@nospam.com (Grahame
>We manufacture a device that requires three boards to be
>interconnected. Our layout actually consists one board with
>break-lines separating the three boards. We buy the boards as a single
>"board" instead of as three, thereby reducing our costs. The boards
>are automatically assembled as one unit including the interconnecting
>flex-cable between the boards. This allows us to immediate test the
>board for full unit functionality even before the boards are snapped
>into three separate boards and mounted into the case.
>When we approached various PCB layout contractors for our layout
>requirements, they all wanted to quote the job as three jobs and
>triple the price. Instead, I had the company buy the design layout
>tools and we did it inhouse. I highly recommend considering this sort
>of board-set approach to reduce costs. :)
That's downright silly (of the contractors).
I usually budget 4 hours for the DFM audit on a single PCB card.
Instead of 12 hours for 3 boards, I would budget 5 hours for the
It does take a -little- more time; you need to verify that the
aperature lists are identical for the 3 boards, and there is the
Other than that, it should have been treated as one design; just total
up all the parts, and quote accordingly.
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