Laser welding of square butt joints between copper substrates

A method of joining electrical connections together includes evaluating at least one weld joint between at least two substrates, determining a mismatch between the at least two substrates, and welding the at least two substrates together with a multi-step welding process. The multi-step welding proc...

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Bibliographic Details
Main Authors Wexler, Arnon, Ryan, Emily Ann, Hetrick, Elizabeth Therese
Format Patent
LanguageEnglish
Published 19.09.2023
Subjects
BASIC ELECTRIC ELEMENTS
CLADDING OR PLATING BY SOLDERING OR WELDING
CURRENT COLLECTORS
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
ELECTRICITY
LINE CONNECTORS
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary:A method of joining electrical connections together includes evaluating at least one weld joint between at least two substrates, determining a mismatch between the at least two substrates, and welding the at least two substrates together with a multi-step welding process. The multi-step welding process includes compensating for the mismatch between the at least two substrates by welding on both sides but not overlapping a joint line between the at least two substrate with a first welding step and increasing melt volume and penetration depth of a weld between the at least two substrates with a second welding step.
Bibliography:Application Number: US202017086710