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March 2004

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Subject:
From:
David Douthit <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 12 Mar 2004 21:38:47 -0700
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Charles,

Trying to save money no matter how much it costs is a management constant.

David A. Douthit
Manager
LoCan LLC

Charles Caswell wrote:

>I will be watching this one. A couple of years ago we had a job for several
>thousand little boards about 1.24" sq. The panels were supplied by the
>customer and many of the panels had 50% or more bad boards. I asked the
>customer why he was using a supplier with half bad product. The answer was
>"they are the cheapest we could find". Duh. Of course to actually assemble
>them cost more. But so what he gets bare boards cheap.
>
>-----Original Message-----
>From: Mark Larson [mailto:[log in to unmask]]
>Sent: Friday, March 12, 2004 9:13 AM
>To: [log in to unmask]
>Subject: [TN] Board panelization - bad boards
>
>
>Hi,
>
>When boards are delivered as a panel for assembly it is not necessary
>for all boards on the panel to be good, you don't want to scrap a panel
>because of a small number of bad boards on the panel. My guess is that
>if the panel contains 80% good boards you don't want to throw away the
>entire panel, yet if there is only 20% good, it may not be cost
>effective to send it through assembly (and you've probably lost faith in
>that fabricator's boards). So is there a point where the number of bad
>boards on the panel makes the entire panel scrap? How do you determine
>that?
>
>Mark Larson
>Sr. PCB Designer
>Analog Technologies Corporation
>11441 Rupp Drive
>Burnsville, MN 55337
>952-894-9228 voice
>952-894-2966 fax
>[log in to unmask]
>
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