METHOD AND APPARATUS FOR SEPARATING WORKPIECES
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United States of America Patent
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Issued Date -
Mar 27, 2014
app pub date -
Sep 20, 2013
filing date -
Sep 24, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention is an apparatus, for performing the method, and the method including the steps of providing a workpiece, contacting a portion of an exterior surface of the workpiece to an acoustic couplant such that an interface between the acoustic couplant and the portion of the exterior surface is at least substantially continuous across the portion of the exterior surface, and propagating a crack through the workpiece. A portion of the acoustic couplant at the interface has acoustic impedance relative to the acoustic energy that is greater than 400 kg·m−2·s−1.
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