US 11,940,761 B2
Manufacturing method and watch component
Wataru Uehara, Matsumoto (JP); Yuki Takishita, Shiojiri (JP); Ai Yoshinaga, Shiojiri (JP); and Atsuhiko Sugita, Suwa (JP)
Assigned to SEIKO EPSON CORPORATION, (JP)
Filed by Seiko Epson Corporation, Tokyo (JP)
Filed on Aug. 23, 2021, as Appl. No. 17/408,579.
Claims priority of application No. 2020-140708 (JP), filed on Aug. 24, 2020.
Prior Publication US 2022/0057757 A1, Feb. 24, 2022
Int. Cl. G04D 3/00 (2006.01); B23K 26/08 (2014.01); B23K 26/364 (2014.01); G04B 19/06 (2006.01)
CPC G04D 3/0069 (2013.01) [B23K 26/0869 (2013.01); B23K 26/364 (2015.10); G04B 19/06 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A watch component comprising:
a metal member having a recessed portion that satisfies
1.3*w<d,
wherein a depth of the recessed portion formed in an intersection region in which a groove portion of the metal member formed by laser processing along a first direction, a groove portion of the metal member formed by laser processing along a second direction, and a groove portion of the metal member formed by laser processing along a third direction intersect each other is d, and
a distance between vertices of two protruding portions that sandwich the groove portion formed along the first direction, the second direction, or the third direction is w.