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September 2000

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Subject:
From:
Franklin D Asbell <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 5 Sep 2000 12:55:12 -0500
Content-Type:
text/plain
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text/plain (97 lines)
Start sounds familiar, of course our purchasing people could have told me that, thanks.

Franklin

"Thorup, John" wrote:

> We purchased these from Start International, 800/259-1986,
> www.startinternational.com
> Through hole loupe #ZTZPR @ about $75.
>
> > -----Original Message-----
> > From: Franklin D Asbell [SMTP:[log in to unmask]]
> > Sent: Tuesday, September 05, 2000 10:26 AM
> > To:   [log in to unmask]
> > Subject:      Re: [TN] Non-destructive Thru-hole Inspection
> >
> > Dave,
> >
> > A device we use that is quick and easy is a PCB through hole eyepiece
> > (kind of ironic, yes...~grin~) Sometimes called a prism eyepiece. Any
> > supplier of optical devices for
> > electronics should be able to direct you to a source. This device uses a
> > prism lens that splits the through hole into 9 images each a an oblique
> > angle for viewing the holl
> > wall. It's a real quick way to confirm hole wall quality.
> >
> > Franklin D Asbell
> > Network Circuits, Inc.
> > Irving, Texas 75061
> >
> >
> > Dave Kell wrote:
> >
> > > We are looking for a way to look inside plated through holes to check
> > the electroless plated deposit for voids prior to electrolytic. Possibly a
> > fiber optic video scope?
> > >
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