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Thin film battery substrate cutting and fabrication process

  • US 20080263855A1
  • Filed: 04/27/2007
  • Published: 10/30/2008
  • Est. Priority Date: 04/27/2007
  • Status: Active Grant
First Claim
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1. A method of fabricating a battery on a battery substrate, the method comprising:

  • (a) selecting a battery substrate having cleavage planes;

    (b) applying a plurality of pulsed laser bursts of a pulsed laser beam to the battery substrate, the pulsed laser bursts having sufficient power and duration to cut through the battery substrate substantially without causing fractures along the cleavage planes of the battery substrate; and

    (c) before or after (b), depositing a plurality of battery component films on the battery substrate, the battery component films comprising at least a pair of electrodes about an electrolyte that cooperate to form a battery cell.

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