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SOLAR CELL METALLIZATION USING INLINE ELECTROLESS PLATING

  • US 20100124619A1
  • Filed: 11/14/2008
  • Published: 05/20/2010
  • Est. Priority Date: 11/14/2008
  • Status: Active Grant
First Claim
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1. A method for forming a photovoltaic cell electrode structure, wherein the photovoltaic cell comprises a semiconductor substrate having a passivation layer thereon, the method comprising:

  • providing a plurality of contact openings through the passivation layer to the semiconductor substrate;

    selectively plating a contact metal into the plurality of contact openings to deposit the contact metal by printing electroless plating solution directly into the contact openings;

    depositing at least one metal containing layer over the deposited contact metal to form metal gridlines; and

    firing the deposited contact metal and the at least one deposited metal containing layer.

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