Thin film battery packaging formed by localized heating
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United States of America Patent
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Oct 21, 2014
Grant Date -
Apr 25, 2013
app pub date -
Oct 20, 2011
filing date -
Oct 20, 2011
priority date (Note) -
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Abstract
A battery packaging method comprises providing a battery comprising at least one battery cell on a substrate, the battery cell comprising a plurality of electrodes about an electrolyte, and the battery having at least one open peripheral side surface. A thermoplastic bead is provided at an open peripheral side surface of the battery. A cap is placed over the battery and in contact with the thermoplastic bead. The thermoplastic bead is locally heated by directing an energy beam onto the thermoplastic bead, the energy beam having a beam width sized sufficiently small to heat a beam incident region on the thermoplastic bead substantially without heating adjacent regions.
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