C-Mode Scanning Acoustic Microscope 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Hernefjord Ingemar
Sent: Tuesday, February 27, 2007 6:39 AM
To: [log in to unmask]
Subject: Re: [TN] BGA Preinspection Method...

See what? 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor G. Hernandez
Sent: den 23 februari 2007 22:27
To: [log in to unmask]
Subject: Re: [TN] BGA Preinspection Method...

C-Sam

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Daniel Blass
Sent: Friday, February 23, 2007 3:02 PM
To: [log in to unmask]
Subject: Re: [TN] BGA Preinspection Method...

Sounds like you are looking for acoustic microscopy. Will be able to
find cracks and delaminated interfaces in a BGA before attaching it. It
is non-destructive.

Daniel Blass
Process Research Engineer
Area Array Consortium
Advanced Process Laboratory at Unovis Solutions Visit us on the web at
www.unovissolutions.com and www.us-apl.com

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