发明名称 |
Sapphire coated gemstone |
摘要 |
The present invention provides a diamond simulant with greater similarity to a diamond than cubic zirconia. The present invention further provides a diamond simulant with durability, hardness, and optical features closer to that of a genuine diamond that previously afforded by other diamond simulants, such as cubic zirconia. |
申请公布号 |
US9055792(B2) |
申请公布日期 |
2015.06.16 |
申请号 |
US201113577068 |
申请日期 |
2011.02.04 |
申请人 |
Lautrec Corporation |
发明人 |
Malinowski Jack;Lacourt Gary;Calcagni Frank |
分类号 |
A44C17/00;A44C27/00;C23C14/22;C23C14/08;C23C14/34 |
主分类号 |
A44C17/00 |
代理机构 |
Boyle Friedrickson, S.C. |
代理人 |
Boyle Friedrickson, S.C. |
主权项 |
1. A method of forming a diamond simulant, comprising:
forming a gemstone from a composition consisting essentially of yttrium and zirconia; and applying a coating of Al2O3 to the gemstone, wherein the coating is applied using ion-beam assisted deposition. |
地址 |
Franklin WI US |