Jerry G. wrote:
: The only way to do this, without delaminating the boards are with the use of
: X-Ray equipment. Then there is the task of deciphering what you see. IR will
: be of too long a wavelength for any type of detail, and is of heat in
: characteristics. UV is a very short wavelength of light, but does not
: penetrate or pass through many types of materials. UV would not be visible,
: and is difficult to decipher in visual detail.


Agreed.

There's no practical and cost effective way (for the consumer) to do this.

Do a google search for "x-ray laminography". HP makes a 5DX x-ray machine
that essentially "cuts through layers" but I doubt if you want to pay
over .5 mil. for the job.

b.