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Sender:	TechNet <[log in to unmask]>
X-To:	Dave Kell <[log in to unmask]>
Date:	Tue, 5 Sep 2000 12:26:05 -0500
Reply-To:	"TechNet E-Mail Forum." <[log in to unmask]>, Franklin D Asbell <[log in to unmask]>
Subject:	Re: Non-destructive Thru-hole Inspection
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From:	Franklin D Asbell <[log in to unmask]>
Parts/Attachments:	text/plain (43 lines)

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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