专利名称: | Pigmented ceramic element |
公开(告)号: | |
公开(公告)日: | 2008-09-25 00:00:00 |
申请(专利)号: | DE06405325T |
申请日: | 2006-07-31 00:00:00 |
发明(设计)人: | ROLEX SA (CH) |
(申请)专利权(人): | FINK-PETRI ALKE (CH);HOFFMANN HEINRICH (CH) |
内容: | The component partially or wholly comprises pigmented ceramic. The pigment comprises nanoparticles of metal of group IB in periodic table, alkaline metals or their alloy, coated with a layer of silica such as crystalline silica. The crystalline silica is in cristobalite or tridymite form. The metal is gold or gold/silver alloy. The ceramic is zirconia and/or alumina, preferably zirconia. An independent claim is included for manufacture of components of timepiece and jewelry. |
发布日期:2008-12-03 11:28:00