Gemstones formed of silicon carbide with diamond coating
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United States of America Patent
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Mar 16, 1999
Grant Date -
N/A
app pub date -
Nov 15, 1996
filing date -
Nov 15, 1996
priority date (Note) -
Expired
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Abstract
Synthetic gemstones are produced by growing single crystals of silicon carbide, fashioning the silicon carbide into gemstone cores, and thereafter depositing a thin coating of diamond on the core.
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