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Integrated thin-film solar battery and method of manufacturing the same

  • US 6,437,231 B2
  • Filed: 05/24/2001
  • Issued: 08/20/2002
  • Est. Priority Date: 06/15/1995
  • Status: Expired due to Fees
First Claim
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1. An integrated thin-film solar battery having a plurality of unit elements connected in series, comprising:

  • a substrate;

    a plurality of spaced apart electrode layers formed on the substrate by segmenting a single electrode layer into individual layers, wherein each of the plurality of electrode layers is the first layer of the plurality of unit elements;

    a photoelectric conversion semiconductor layer disposed on each of said plurality of first electrode layers in such a manner that each of the semiconductor layers is formed on two adjacent first electrode layers;

    a transparent electrically conductive layer formed sequentially on each of the semiconductor layers after forming each of the semiconductor layers, said electrically conductive layer comprising a transparent metal oxide material;

    a connection opening formed through the electrically conductive layer and the semiconductor layer to expose a part of each of the first electrode layers; and

    a second electrode layer comprising a metal layer disposed directly on each of the transparent electrically conductive layers such that the second electrode layer is electrically connected to one of two adjacent first electrode layers through the connection opening on the unit element.

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