公开(公告)号：US20230219167A1

公开(公告)日：2023-07-13

申请号：US18185415

申请日：2023-03-17

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Atsushi OGINO ,  Ryosuke TAMURA ,  Kousuke KASHIWAGI ,  Masakazu YOSHIHARA ,  Keisuke TOMINAGA ,  Takashi KAYAHARA ,  Keigo MATSUNAGA

IPC: B23K26/0622 ,  B23K26/08

CPC classification number: B23K26/0622 ,  B23K26/0869 ,  B23K2101/18

Abstract: A laser processing method of laser processing a workpiece made of at least one sheet of metallic foil includes: generating laser light by supplying pulsed pumping energy to a laser medium, the laser light including an optical pulse component and a continuous light component that is continuous with the optical pulse component and temporally after the optical pulse component; irradiating a surface of the workpiece with the laser light; and limiting duration of the continuous light component such that a ratio of energy of the continuous light component to energy of the optical pulse component is equal to or less than a predetermined value.