Title:
MANUFACTURING METHOD OF PROCESSED ARTICLE, PROCESSED PRODUCT AND PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/251296
Kind Code:
A1
Abstract:
This processed article manufacturing method involves preparing a metal-containing workpiece 10, and, along the surface 10a of the workpiece 10, forming multiple first regions α and a second region β by irradiation with a laser L. A tension residual stress is imparted to the multiple first regions α. The laser L, by which a compressive residual stress is imparted to the second region β, is irradiated on multiple irradiation locations P separated from each other on the surface 10a of the workpiece 10. The first regions α are formed so as to be separated from each other and surrounded by the second region β when viewed from the direction perpendicular to the surface 10a.
Inventors:
KURITA TAKASHI (JP)
WATARI TAKESHI (JP)
KABEYA YUKI (JP)
YOSHIMURA RYO (JP)
WATARI TAKESHI (JP)
KABEYA YUKI (JP)
YOSHIMURA RYO (JP)
Application Number:
PCT/JP2021/021396
Publication Date:
December 16, 2021
Filing Date:
June 04, 2021
Export Citation:
Assignee:
HAMAMATSU PHOTONICS KK (JP)
International Classes:
B23K26/356
Domestic Patent References:
| WO2018043642A1 | 2018-03-08 |
Foreign References:
| JP2019203356A | 2019-11-28 | |||
| JP2008178888A | 2008-08-07 | |||
| JP2019042777A | 2019-03-22 | |||
| US20030024915A1 | 2003-02-06 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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