CUTTING ELEMENTS AND BITS INCORPORATING THE SAME
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United States of America Patent
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app pub date -
Feb 23, 2009
filing date -
Jan 30, 2006
priority date (Note) -
Abandoned
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Abstract
Cutting elements and bits incorporating such cutting elements are provided. The cutting elements have a substrate, a first ultra hard material layer formed over the substrate, and a second ultra hard material layer formed over the first ultra hard material layer. The second ultra hard material layer has a thickness in the range of 0.05 mm to 2 mm.
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