Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Peter Hacke0
James M. Gee0
Date of Patent
December 5, 2006
Patent Application Number
11050185
Date Filed
February 3, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods for fabrication of emitter wrap through (EWT) back-contact solar cells and cells made by such methods. Certain methods provide for higher concentration of dopant in conductive vias compared to the average dopant concentration on front or rear surfaces, and provided increased efficiency. Certain methods provide for selective doping to holes for forming conductive vias by use of printed dopant pastes. Other methods provide for use of spin-on glass substrates including dopant.
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