Cutting elements and bits incorporating the same
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United States of America Patent
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May 18, 2010
Issued Date -
N/A
app pub date -
Sep 20, 2007
filing date -
Sep 29, 2004
priority date (Note) -
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Abstract
Cutting elements and bits incorporating such cutting elements. The cutting elements include a substrate having an interface surface over which is formed an ultra hard material layer. A plurality of lands are formed on the interface surface including a land surrounded by spaced-apart lands extending to a periphery of the substrate.
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