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US 12,360,495 B2Granted
Timepiece dial, timepiece, and method for manufacturing timepiece dial
AssigneeSeiko Epson Corporation
InventorShogo Kobayashi
Life of this patent
Estimating the term…
Abstract
A timepiece dial including a base having a first region having a coating film provided at the surface of the base, a second region where laser light is radiated to the first region to remove the coating film, and a third region, in part of the first region, where the coating film is penetrated and the base is dug down, and the surface roughness of the third region is smaller than the surface roughness of the second region.
Claims7
A timepiece dial comprising a base having
- a first region having a coating film provided at a surface of the base,
- a second region where laser light is radiated to the first region to remove the coating film, and
- a third region, in part of the first region, where the coating film is absent and the base has a recess including a cross-sectional shape having a pair of downwardly extending sidewalls that terminate at a bottom of the recess, and the bottom of the recess includes a pair of upwardly extending surfaces that meet to define an upwardly extending apex at a center of the bottom of the recess,
- wherein surface roughness of the third region is smaller than surface roughness of the second region.
1 more element
Dependencies are inferred from the claim text.