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