TECHNICAL OR DECORATIVE COMPONENT ASSOCIATING A TRANSPARENT MATERIAL AND A SILICA-BASED AMORPHOUS MATERIAL AND METHOD FOR MAKING SAME

摘要

The invention concerns a transparent substrate (10) made of a transparent material resistant to a temperature above 5000C, such as sapphire, comprising recesses (13, 14) in at least one of its surfaces (11, 12) and/or a groove (15) machined in its thickness, designed to be lined with opaque, translucent or transparent enamel deposits (23 to 30) coloured or not, depending on the pigments used in the composition of the enamel. The invention is applicable to the dial of a timepiece.