Patents by Inventor David J. Parrillo

David J. Parrillo 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).

  • Publication number: 20160155886
    Abstract: The invention is a method of forming a cadmium sulfide based buffer on a copper chalcogenide based absorber in making a photovoltaic cell. The buffer is sputtered at relatively high pressures. The resulting cell has good efficiency and according to one embodiment is characterized by a narrow interface between the absorber and buffer layers. The buffer is further characterized according to a second embodiment by a relatively high oxygen content.
    Type: Application
    Filed: February 4, 2016
    Publication date: June 2, 2016
    Inventors: Todd R. Bryden, Jeffrey L. Fenton, JR., Gary E. Mitchell, Kirk R. Thompson, Michael E. Mills, David J. Parrillo
  • Patent number: 9356177
    Abstract: The invention is a method of forming a cadmium sulfide based buffer on a copper chalcogenide based absorber in making a photovoltaic cell. The buffer is sputtered at relatively high pressures. The resulting cell has good efficiency and according to one embodiment is characterized by a narrow interface between the absorber and buffer layers. The buffer is further characterized according to a second embodiment by a relatively high oxygen content.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: May 31, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Todd R. Bryden, Jeffrey L. Fenton, Jr., Gary E. Mitchell, Kirk R. Thompson, Michael E. Mills, David J. Parrillo
  • Publication number: 20160149069
    Abstract: The invention is a method of forming a cadmium sulfide based buffer on a copper chalcogenide based absorber in making a photovoltaic cell. The buffer is sputtered at relatively high pressures. The resulting cell has good efficiency and according to one embodiment is characterized by a narrow interface between the absorber and buffer layers. The buffer is further characterized according to a second embodiment by a relatively high oxygen content.
    Type: Application
    Filed: November 23, 2015
    Publication date: May 26, 2016
    Inventors: Todd R. Bryden, Jeffrey L. Fenton, JR., Gary E. Mitchell, Kirk R. Thompson, Michael E. Mills, David J. Parrillo
  • Publication number: 20110277840
    Abstract: The invention is a method of forming a cadmium sulfide based buffer on a copper chalcogenide based absorber in making a photovoltaic cell. The buffer is sputtered at relatively high pressures. The resulting cell has good efficiency and according to one embodiment is characterized by a narrow interface between the absorber and buffer layers. The buffer is further characterized according to a second embodiment by a relatively high oxygen content.
    Type: Application
    Filed: April 28, 2011
    Publication date: November 17, 2011
    Inventors: Todd R. Bryden, Jeffrey L. Fenton, JR., Gary E. Mitchell, Kirk R. Thompson, Michael E. Mills, David J. Parrillo