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MASK-LESS FABRICATION OF THIN FILM BATTERIES

  • US 20170214062A1
  • Filed: 03/10/2017
  • Published: 07/27/2017
  • Est. Priority Date: 06/17/2011
  • Status: Abandoned Application
First Claim
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1. A thin film battery, comprising:

  • a stack of patterned layers on a substrate, the stack comprising a cathode current collector layer, a cathode layer, an electrolyte layer, an anode layer, and an anode current collector layer, wherein the stack is laser die patterned, and wherein the stack is laser patterned to reveal a cathode current collector area and a portion of the electrolyte layer adjacent to the cathode current collector area, and wherein a part of the thickness of the portion of the electrolyte layer is laser removed to form a step in the electrolyte layer; and

    an encapsulation layer over the stack of patterned layers.

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