Patents by Inventor T. W. Fraser Russell

T. W. Fraser Russell 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: 20120156372
    Abstract: A physical vapor deposition effusion method comprising translating a strip material through a physical vapor deposition zone in a deposition chamber and providing first and second substantially closed vessels located serially along the processing path in the same deposition chamber, each vessel emitting different source materials to produce overlapping plumes and having an array of vapor delivery nozzles distributed uniformly across the vessel along the width of the zone, and configured to expel overlapping plumes to create a fog having a substantially uniform composition across the width and a varying composition across the length of the zone. Also, an elongate vapor deposition effusion vessel having an elongate lid including plural nozzles spaced from each other along its elongate axis, and a continuous heating element in the lid encircling the plural nozzles, the heating element having electrical contacts connected to an electrical source on the same side of the vessel.
    Type: Application
    Filed: January 13, 2011
    Publication date: June 21, 2012
    Applicant: University of Delaware
    Inventors: Robert W. Birkmire, Gregory M. Hanket, T.W. Fraser Russell, Erten Eser
  • Publication number: 20100173440
    Abstract: A physical vapor deposition effusion method comprising translating a strip material through a physical vapor deposition zone in a deposition chamber and providing first and second substantially closed vessels located serially along the processing path in the same deposition chamber, each vessel emitting different source materials to produce overlapping plumes and having an array of vapor delivery nozzles distributed uniformly across the vessel along the width of the zone, and configured to expel overlapping plumes to create a fog having a substantially uniform composition across the width and a varying composition across the length of the zone. Also, an elongate vapor deposition effusion vessel having an elongate lid including plural nozzles spaced from each other along its elongate axis, and a continuous heating element in the lid encircling the plural nozzles, the heating element having electrical contacts connected to an electrical source on the same side of the vessel.
    Type: Application
    Filed: May 15, 2009
    Publication date: July 8, 2010
    Applicant: University of Delaware
    Inventors: Robert W. Birkmire, Gregory M. Hanket, T.W. Fraser Russell, Erten Eser
  • Patent number: 6372538
    Abstract: A new, large-area, thin-film, flexible photovoltaic structure is disclosed, as well as a general fabrication procedure, including a preferably roll-to-roll-type, process-chamber-segregated, “continuous-motion”, method for producing such a structure. A special multi-material vapor-deposition environment is disclosed to implement an important co-evaporation, layer-deposition procedure performed in and as part of the fabrication procedure. A structural system adapted to create a vapor environment generally like that just referred to is disclosed, as is an organization of method steps involved in the generation of such a vapor environment. Also, a unique, vapor-creating, materials-distributing system, which includes specially designed heated crucibles with carefully arranged, spatially distributed, localized and generally point-like, heated-nozzle sources of different metallic vapors, and a special multi-fingered, comb-like, vapor-delivering manifold structure is shown.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: April 16, 2002
    Assignees: University of Delaware, Global Solar Energy, Inc.
    Inventors: Robert G. Wendt, Gregory M. Hanket, Robert W. Birkmire, T. W. Fraser Russell, Scott Wiedeman
  • Patent number: 6310281
    Abstract: A new, large-area, thin-film, flexible photovoltaic structure is disclosed, as well as a general fabrication procedure, including a preferably roll-to-roll-type, process-chamber-segregated, “continuous-motion”, method for producing such a structure. A special multi-material vapor-deposition environment is disclosed to implement an important co-evaporation, layer-deposition procedure performed in and as part of the fabrication procedure. A structural system adapted to create a vapor environment generally like that just referred to is disclosed, as is an organization of method steps involved in the generation of such a vapor environment. Also, a unique, vapor-creating, materials-distributing system, which includes specially designed heated crucibles with carefully arranged, spatially distributed, localized and generally point-like, heated-nozzle sources of different metallic vapors, and a special multi-fingered, comb-like, vapor-delivering manifold structure is shown.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: October 30, 2001
    Assignee: Global Solar Energy, Inc.
    Inventors: Robert G. Wendt, Gregory M. Hanket, Robert W. Birkmire, T. W. Fraser Russell, Scott Wiedeman
  • Patent number: 4401052
    Abstract: An apparatus to deposit material on a substrate, such as in the making of thin solar cells, consists of two chambers. A manifold chamber having a plurality of spaces nozzles assures efficient and uniform deposition on a substrate. The rate of depositions is controlled by an orifice in a passageway connecting the manifold chamber to an evaporation chamber.
    Type: Grant
    Filed: March 26, 1982
    Date of Patent: August 30, 1983
    Assignee: The University of Delaware
    Inventors: Bill N. Baron, Richard E. Rocheleau, T. W. Fraser Russell
  • Patent number: 4325986
    Abstract: An apparatus to deposit material on a substrate, such as in the making of thin film solar cells, consists of two chambers. A manifold chamber having a plurality of spaced nozzles assures efficient and uniform deposition on a substrate. The rate of depositions is controlled by an orifice in a passageway connecting the manifold chamber to an evaporation chamber.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: April 20, 1982
    Assignee: University of Delaware
    Inventors: Bill N. Baron, Richard E. Rocheleau, T. W. Fraser Russell
  • Patent number: 4318938
    Abstract: A technique for manufacturing durable, reliable solar cells by a continuous process suitable for large-scale manufacture involves, in substance, providing a reel of thin metal foil substrate and forming on the substrate a series of layers operative to form a photovoltaic junction, short prevention blocking layers, contacts and integral encapsulation. The foil substrate is processed as a continuous reel substantially until final testing at which point, if desired, it can be cut into individual cells for deployment. In comparison with a batch process, the continuous technique can reduce manufacturing cost by as much as a factor of two.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: March 9, 1982
    Assignee: The University of Delaware
    Inventors: Allen M. Barnett, Bill N. Baron, James V. Masi, T. W. Fraser Russell