The Furukawa Electric Co., Ltd.

Masamitsu Kaneko

Kazuyuki Umeno

Tomomichi Yasuoka

Daeyoul Yoon

Toshiaki Sakai

Jun Terada

Fumika Nishino

Sayo Suga

Nobuyasu Matsumoto

A welding method includes: irradiating a plurality of metal foils stacked on a first surface of a metal member in a first direction with laser light to weld the metal member and the plurality of metal foils to each other, the laser light including first laser light having a wavelength of 800 [nm] or more and 1200 [nm] or less and second laser light having a wavelength of 550 [nm] or less, a second surface of a metal foil farthest from the metal member in the first direction among the plurality of metal foils, on a side opposite to the metal member, being irradiated with the laser light.

Welding method, welding device, metal stacked body, electrical component, and electrical product

Growing community of inventors

Tokyo, Japan

Masamitsu Kaneko