Alexis;
I think a lot of folks are confusing assembly panels with fab panels.
Unless you have a need for a particular assembly panel, let the fab
house
do their job.
As for something changing going from proto to prod, Think about the
Variables and different penalization is the least of your problems.

Regards;
Tom Garman

-----Original Message-----
From: DesignerCouncil [mailto:[log in to unmask]] On Behalf Of
Alexis Meehan
Sent: Tuesday, April 22, 2003 9:32 PM
To: [log in to unmask]
Subject: [DC] Panelization or Not?

Has anyone out there found it to be beneficial to create your own
panelization drawings
as part as your fab drawing? I'm rewriting some processes, and there are
some factions
at my company who want to see panelization drawings as part of the fab
drawing.

Their reasoning: if a proto is built at 4 up, then it goes to production
and the fab house
decides to do 8 up on a larger panel, it's possible that they may alter
something critical
so that it is now 'different' from the tested protos. I'd like to get a
sanity check, since this
makes no sense to me.
We use a few different fab vendors for protos, but only one for
production boards.

My experience is that doing these drawings took time and there was never
really a
payback for the effort (in fact, some vendors complained about it).

Any and all feedback would be greatly appreciated.

~~~~~~~~~~~~~~~~~~~~~~
Alexis Meehan
PCB Design Manager
NOKIA
Nokia Internet Communications
Desk Phone 650.625.2124
Cell Phone 650.892.2572
~~~~~~~~~~~~~~~~~~~~~~

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