WELDING METHOD AND WELDING APPARATUS FOR SECONDARY BATTERY, AND MONITORING METHOD AND MONITORING APPARATUS FOR SECONDARY BATTERY WELDING PROCESS

The present invention relates to: a welding method and a welding apparatus for a secondary battery capable of emitting a laser beam into the lower can; and a monitoring method and a monitoring apparatus for a secondary battery welding process capable of checking a welded state during the welding.The...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEE, Jin Soo, SON, Bu Won, LEE, Jin Yeong
Format: Patent
Sprache:eng ; fre ; ger
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