LASER WELDING METHOD AND METAL JOINT BODY

Abstract: provided is a laser welding method for welding a metal material and a laminated body of metal foil together by irradiation with laser light. the laser welding method includes: a first step of forming a first weld part in which at least a plurality of the metal foils included in the laminated body are welded by emitting the laser light; and a second step of welding the laminated body and the metal material together by irradiating the laser light onto a region at least partially including the first weld part.

Inventor(s): Keita YAMAMOTO, Hideki KONDO, Naoki MORI, Toshiaki SAKAI, Nobuyasu MATSUMOTO, Masamitsu KANEKO, Takashi SHIGEMATSU

CPC Classification: B23K26/21 (SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM (making metal-coated products by extruding metal ; building up linings or coverings by casting ; casting by dipping ; manufacture of composite layers by sintering metal powder ; arrangements on machine tools for copying or controlling ; covering metals or covering materials with metals, not otherwise provided for ; burners ))

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