Patents by Inventor Peter James Willmott

Peter James Willmott has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PROCESS FOR THE PRODUCTION OF LFC-PERC SILICON SOLAR CELLS
    Publication number: 20130056060
    Abstract: A process for the production of a LFC-PERC silicon solar cell having an aluminum back electrode wherein an aluminum paste having no or only poor fire-through capability and including particulate aluminum, glass frit, an organic vehicle and 0.01 to <0.05 wt. % of at least one antimony oxide, based on total aluminum paste composition, is used, and wherein the at least one antimony oxide is present in the aluminum paste as separate particulate constituent(s) and/or as glass frit constituent(s).
    Type: Application
    Filed: August 30, 2012
    Publication date: March 7, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: GARETH FUGE, MAMORU MURAKAMI, ALISTAIR GRAEME PRINCE, PETER JAMES WILLMOTT
  • METAL PASTES AND USE THEREOF IN THE PRODUCTION OF SILICON SOLAR CELLS
    Publication number: 20110240124
    Abstract: Metal pastes comprising (a) at least one electrically conductive metal powder selected from the group consisting of silver, copper and nickel, (b) at least one lead-containing glass frit with a softening point temperature in the range of 571 to 636° C. and containing 53 to 57 wt.-% of PbO, 25 to 29 wt.-% of SiO2, 2 to 6 wt.-% of Al2O3 and 6 to 9 wt.-% of B2O3 and (c) an organic vehicle.
    Type: Application
    Filed: March 30, 2010
    Publication date: October 6, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Giovanna Laudisio, Richard John Sheffield Young, Peter James Willmott, Kenneth Warren Hang
  • METAL PASTES AND USE THEREOF IN THE PRODUCTION OF SILICON SOLAR CELLS
    Publication number: 20100243048
    Abstract: Metal pastes comprising (a) at least one electrically conductive metal powder selected from the group consisting of silver, copper and nickel, (b) at least one lead-free glass frit with a softening point temperature in the range of 550 to 611° C. and containing 11 to 33 wt.-% of SiO2, >0 to 7 wt.-% of Al2O3 and 2 to 10 wt.-% of B2O3 and (c) an organic vehicle.
    Type: Application
    Filed: March 30, 2010
    Publication date: September 30, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Giovanna Laudisio, Richard John Sheffield Young, Peter James Willmott, Kenneth Warren Hang