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September 2000

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Subject:
From:
George Franck <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 1 Sep 2000 13:46:34 -0400
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Franklin,

I have not read the article, but a user of boards.  Here are my first, knee-jerk,
questions.  Perhaps the article answered them, and I should get a copy of the article.

On a twelve layer multilayer board, how would AOT verify compliance to the IPC-D-356
net list that I provide?
Does the addition of Laser vias, buried and blind vias to the design change anything?
Buried resistance?

I think it sounds like an imaginative idea, perhaps reducing the Capitol $$$'s required
for a board shop.
Still, I am standing here, wondering what to do with this bucket of cold water.

George Franck
Raytheon Company
Falls Church VA


Franklin D Asbell wrote:

> Just read an article in "The Board Authority" regarding Automatic
> Optical Test (AOT).
>
> Just wondering what you assemblers or purchasers of bare boards thoughts
> are on fabricators performing 'optical testing' (visual, AOI)  instead
> of 'contact testing' (BON, probe)????
>
> An example: You state all boards to be electrically tested for
> opens/shorts, and instead of throwing the boards on our flying probe or
> bed-of-nails equipment I decide to put this on my AOI after setting it
> up to flag for opens/shorts, would you be satsified with this method?
>
> Franklin D Asbell
> Network Circuits, Inc.
> Irving, Texas 75061
>
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