LASER PROCESSING OF LITHIUM BATTERY WEB

Methods and apparatuses for processing lithium batteries with a laser source having a wide process window, high efficiency, and low cost are provided. The laser source is adapted to achieve high average power and a high frequency of picosecond pulses. The laser source can produce a line-shaped beam...

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Bibliographische Detailangaben
Hauptverfasser:	LEI, Wei-Sheng, BANGERT, Stefan, TRASSL, Roland, CHIDAMBARAM, Mahendran, STOCK, Daniel, VACHHANI, Kiran, SIVARAMAKRISHNAN, Visweswaren, ZHAO, Kent Qiujing, GOPALAKRISHNAN NAIR, Girish Kumar, SCHNAPPENBERGER, Frank, STOLLEY, Tobias, DEPPISCH, Thomas, CUSHING, James, CUNNINGHAM, Kevin Laughton, DELMAS, Jean, HERLE, Subramanya P, LEDFORD, Kenneth S, MORRISON, Neil
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	Methods and apparatuses for processing lithium batteries with a laser source having a wide process window, high efficiency, and low cost are provided. The laser source is adapted to achieve high average power and a high frequency of picosecond pulses. The laser source can produce a line-shaped beam either in a fixed position or in scanning mode. The system can be operated in a dry room or vacuum environment. The system can include a debris removal mechanism, for example, inert gas flow, to the processing site to remove debris produced during the patterning process.