Laser welding method
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsFutoshi TSUTSUMI, Naohiko KOBATA, Naoya KATO
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Abstract
A laser welding method for jointing stacked metal foils in which a plurality of copper-based foils are stacked and a tab plate formed of a copper-based material is provided. The laser welding method includes placing one end of the stacked metal foils on the tab plate; irradiating a plurality of tack welding positions on the one end of the stacked metal foils with a blue laser beam; and irradiating a welding line on the tab plate along the one end of the stacked metal foils with the blue laser beam.
Claims6
A laser welding method for joining stacked metal foils in which a plurality of copper-based foils are stacked and a tab plate formed of a copper-based material, the laser welding method comprising:
- placing one end of the stacked metal foils on the tab plate;
- irradiating a plurality of tack welding positions on the one end of the stacked metal foils with a blue laser beam;
- and
- irradiating a welding line on the tab plate along the one end of the stacked metal foils with the blue laser beam.
Dependencies are inferred from the claim text.