It DOES smear and appear to be expanded at the cut level, but if properly bonded beforehand the subsequent sanding operations with very fine medium should get you past that artifact.
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Sent: Wednesday, March 08, 2017 10:22 AM
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Subject: [TN] PWB Laminate Swelling
Fellow TechNetters:
Does PWB laminae swell during the cross sectioning process on an encapsulated mount? During a 100x Optical inspection of the glass weave cloth I get a blur image. I get a sharp image of the glass cloth in the SEM. I can even count the individual rods and measure their diameters.
Victor,