| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of roughening the surface of a metal molding.SOLUTION: This invention relates to a method of roughening a metal molding, wherein a continuous wave laser is used to continuously irradiate the surface of a metal molding with a laser beam at an irradiation speed of equal to or greater than 2000 mm/sec, thereby roughening the surface of the metal molding. |
