Four-Pi is a subsidiary of Hewlett-Packard.  They are located in 
     San Diego.  You can send them your product and they will inspect it 
     for you.  They will send you a complete file which includes pictures 
     and text of what they have found.  Four-Pi's ph: 619-485-8551  fax: 
     619-485-9256.
     

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______________________________ Reply Separator _________________________________
Subject: Re: INSPECTION  Internal Solder Joint
Author:  [log in to unmask] at SMTP-NET
Date:    7/31/96 7:14 PM


     A San Diego based company by the name of 4-Pi
 marketed X-ray laminography units for electronic assembly inspection. They were
recently bought out by a well known firm. Anyone out there know who?
     
     
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______________________________ Reply Separator _________________________________
Subject: INSPECTION  Internal Solder Joint
Author:  [log in to unmask] at _internetcc 
Date:    7/31/96 1:44 PM
     
     
     
I am looking for a source for non-destructive inspection/analysis of 
top-side solder fillets on a DC/DC converter, soldered flush to the PWA 
(thru hole, single side).  I have already attempted X-ray.  Is the process 
of Scanned-Beam Laminography (SBL) or Computed Tomography (CT) available 
commercially for this application?
     
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