发明名称 TIMEPIECE DIAL, MANUFACTURING METHOD OF TIMEPIECE DIAL, AND TIMEPIECE
摘要 <P>PROBLEM TO BE SOLVED: To provide a timepiece dial having excellent durability, black color, a sense of high class, and excellent appearance while having excellent optical transparency, to provide a manufacturing method capable of preferentially manufacturing the timepiece dial, and to provide a timepiece equipped with the timepiece dial. Ž<P>SOLUTION: The timepiece dial 1 includes: a base material 2 mainly composed of polycarbonate; a first film 3 composed of silicon oxide, titanium oxide or silicon carbide; and a second film 4, composed of carbon, formed with sputtering method. The second film 4 is prepared to partially cover the base material 2 when the base material 2 is viewed in a planar view. The average thickness of the second film 4 is preferably 50-600 nm. The average thickness of the first film 3 is preferably 10-100 nm. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
申请公布号 JP2010133805(A) 申请公布日期 2010.06.17
申请号 JP20080309132 申请日期 2008.12.03
申请人 SEIKO EPSON CORP 发明人 KAWAKAMI ATSUSHI
分类号 G04B19/06 主分类号 G04B19/06
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