Process for manufacturing solar cells

Process for manufacturing solar cells

  • CN 101,523,616 B
  • Filed: 08/06/2007
  • Issued: 07/04/2012
  • Est. Priority Date: 08/07/2006
  • Status: Active Grant
First Claim
Patent Images

1. method of producing solar cell, said method comprises the steps:

  • I) with the ink jet printing of the removable water-insoluble hot melt ink jet ink of alkali to the base material that contains silicon chip so that on said base material, form the etching resisting ink image, said printing ink has the viscosity that is no more than 20mPas;

    Ii) in the aqueous acidic medium, said base material is perhaps plated in etching;

    WithIii) remove said etching resisting ink image with aqueous alkali,Wherein said solar cell comprises silicon chip etching or that plated;

    WithSaid printing ink comprises;

    One or more alkali soluble wax of 30 to 99wt%, this alkali soluble wax have at least 80% alkali washability.

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