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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2010 Sep;57(9):2076–2090. doi: 10.1109/TUFFC.2010.1655

Fig. 5.

Fig. 5

Scanning electron micrographs of 3-layer composites cross-sectioned into individual element resonators and examined for any misalignment of the individual piezoceramic layers and epoxy bond layers between the layers. A range of misalignments and bond layers was observed, ranging from (a) very good: 5-μm misalignment and no discernable bond layer, to (b) poor: 30-μm misalignment and 6-μm bond layer.