Technical or decorative piece associating a transparent material and a silicon based amorphous material and method of manufacturing the same
US8964513B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2006 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Jun 6, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A transparent substrate (10) made of a transparent material resistant to temperatures higher than 500° C., such as sapphire, includes recesses (13, 14) in at least one of its faces (11, 12) and/or a groove (15) machined into its thickness, that are covered with opaque, translucent or transparent enamel depositions (23 to 30) that may or may not be colored, depending upon the pigments used in the enamel composition. The invention is applicable to a dial of a timepiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.