The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2013
Filed:
Aug. 12, 2011
Koki Takasawa, Nagano-ken, JP;
Koki Takasawa, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A timepiece dial has excellent transparency to electromagnetic waves (radio and light), and an excellent appearance, a timepiece dial manufacturing method enables manufacturing the timepiece dial, and a timepiece has the timepiece dial. The timepiece dialhas a substratethat is electromagnetically transparent, and a dispersion filmcontaining a dispersion of metal powderwith an average particle diameter of 5 μm≦20 μm and an average particle thickness of 30 nm≦50 nm. The average thickness of the dispersion filmis 0.5 μm≦3.0 μm. The metal powderis disposed with a specific gap therebetween in the through-thickness direction of the dispersion film