Sacrificial Catalyst Polycrystalline Diamond Element
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United States of America Patent
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Issued Date -
Jul 14, 2011
app pub date -
Nov 22, 2010
filing date -
Jan 14, 2010
priority date (Note) -
Abandoned
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Abstract
A superhard composite material comprising a polycrystalline diamond cutter (PDC) having a cutting surface and cutting edges having a polycrystalline diamond thickness of about 3 mm is integrally formed with a sacrificial catalyst source that is removed later in the processing of the of the cutter.
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