Ioan:

You are not asking for anything that unusual. Back in the days of screened
thermal masks, we used to set up panels with flipped images so we only had
to produce one screen. Prior to using original films for imaging we would
make two diazo copies of the film and start production. As an added benefit
designs that you have described come out with balanced plating areas front -
to - back. We already flip parts in the production panel on designs that are
highly imbalanced. There is no additional charge for arrays like this. Board
shops have been doing this for years.

Robert B. Denbo
Engineering Manager
Midwest Printed Circuit Services, Inc.
http://www.midwestpcb.com
mailto:[log in to unmask]
847.740.4120
847.740.4187 Fax

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Tempea, Ioan
Sent: Monday, April 22, 2002 9:16 AM
To: [log in to unmask]
Subject: [TN] Flip-flop panels


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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