发明名称 Ceramic element for watch case and method of manufacturing the same
摘要 A ceramic element destined to be fitted on a watch casing has some patterns on its visible surface. The patterns are fixed on the surface by a first fastening layer (3) of at least 100 nm covered with a second layer (4) from the group gold, silver, chromium nitride (CrN), nickel, platinum, titanium nitride (TiN), zirconium nitride (ZrN), palladium or their alloys with a thickness of at least 100 nm. An independent claim is also included for the fabrication of this ceramic element.
申请公布号 EP1548525(B1) 申请公布日期 2013.08.14
申请号 EP20030405924 申请日期 2003.12.23
申请人 ROLEX SA 发明人 GRIPPO, ERIC
分类号 G04B37/22;C04B41/52;C04B41/90 主分类号 G04B37/22
代理机构 代理人
主权项
地址