You may also wish to speak to the folks at Digiray in San Ramon, CA
510-838-1510 (I think this number is correct the area code is for sure)
They have developed a machine with laminographic capabilities as well as real
time stereographic imaging. They have can provide you with a demo floppy disk
of images they have taken. They have the ability to discern very small
changes in density and can even detect corrosion on aluminum. Dr. Richard
Albert is the founder and president.

Good luck in your search...
J. Fjelstad 

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