US 12,140,908 B2
Timepiece display plate, timepiece, and method of manufacturing timepiece display plate
Shinji Satoh, Yamanashi (JP); and Naoto Takashima, Yamanashi (JP)
Assigned to Citizen Watch Co., Ltd., Tokyo (JP)
Filed by CITIZEN WATCH CO., LTD., Tokyo (JP)
Filed on Dec. 22, 2020, as Appl. No. 17/131,576.
Claims priority of application No. 2019-231322 (JP), filed on Dec. 23, 2019; and application No. 2020-004295 (JP), filed on Jan. 15, 2020.
Prior Publication US 2021/0191329 A1, Jun. 24, 2021
Int. Cl. G04B 19/12 (2006.01)
CPC G04B 19/12 (2013.01) 19 Claims
OG exemplary drawing
 
1. A timepiece display plate comprising:
a flat plate base that transmits light;
a plurality of metallic foil pieces consisting of one or more pure metals that are disposed directly upon one face of the base, each of the plurality of metallic foil pieces having a thickness that transmits the light; and
a protection layer that is laminated on the one face to cover the metallic foil pieces and transmits the light,
wherein the plurality of metallic foil pieces are stacked upon no more than one face of the flat plate base and directly touching each other.