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April 2002

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Subject:
From:
Jac Kroeker <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 22 Apr 2002 08:52:15 -0700
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Ioan;
Go ahead and flip-flop. As long as your not a politician.
 From a board house point of view - there is no extra cost involved. In
fact, we save on film at the photoplotting stage. The big benefit here is
at the plating stage. It is hard to plate evenly to both sides of the panel
if there is only power/ground on one side and a few signal traces on the
other. Left to our own devices we always flip-flop on our panels.
Jac
www.omnigraph.com

At 10:15 AM 4/22/02 -0400, you wrote:
>Hi Technos,
>
>I want to elaborate on an idea I gto from Technet some time ago. Steve Z was
>talking about panelizing boards so that the adjoining boards are flipped one
>with respect to the other. One stencil, one setup, one insertion program,
>etc.
>
>I am considering implementing it, since we have some piggy backs that would
>be well suited for.
>
>What I would really appreciate is your experienced inputs on:
>what does this imply at the board house level (cost rise?, special
>software?)
>what does this imply at the PCB design level
>any hints on how to use Fujicam to program the insertion machines
>any other considerations
>
>Thanks,
>Ioan
>
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