Patents by Inventor Thomas Kenneth Bednarz

Thomas Kenneth Bednarz 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).

  • Patent number: 7191930
    Abstract: Methods and associated apparatus are disclosed for use in mounting particles on and de-mounting particles from a substrate having an array of tacky and non-tacky areas. The particles can be either electrically conducting or electrically non-conducting. Selection of electrically conducting particles is preferred. The substrate having an array of tacky and non-tacky areas can either be electrically non-conducting (e.g., a dielectric substrate) or electrically-conducting. The methods involve use of first and second electrode plates with the substrate therebetween, the plates having applied thereto a direct current potential, which potential in preferred embodiments is reversed in polarity for a number N of cycles. Methods and articles are disclosed using an electrically conductive surface adjacent the tacky and non-tacky areas to minimize static buildup on the particles and tacky and non-tacky areas.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: March 20, 2007
    Assignee: The Regents of the University of California
    Inventors: Thomas Kenneth Bednarz, Allan Cairncross, John Edwin Gantzhorn, Jr., George Yeaman Thomson, Jr.
  • Patent number: 6871777
    Abstract: Methods and associated apparatus are disclosed for use in mounting particles on and de-mounting particles from a substrate having an array of tacky and non-tacky areas. The particles can be either electrically conducting or electrically non-conducting. Selection of electrically conducting particles is preferred. The substrate having an array of tacky and non-tacky areas can either be electrically non-conducting (e.g., a dielectric substrate) or electrically-conducting. The methods involve use of first and second electrode plates with the substrate therebetween, the plates having applied thereto a direct current potential, which potential in preferred embodiments is reversed in polarity for a number N of cycles. Methods and articles are disclosed using an electrically conductive surface adjacent the tacky and non-tacky areas to minimize static buildup on the particles and tacky and non-tacky areas.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: March 29, 2005
    Assignee: The Regents of the University of California
    Inventors: Thomas Kenneth Bednarz, Allan Cairncross, John Edwin Gantzhorn, Jr., George Yeaman Thomson, Jr.
  • Publication number: 20040146659
    Abstract: Methods and associated apparatus are disclosed for use in mounting particles on and de-mounting particles from a substrate having an array of tacky and non-tacky areas. The particles can be either electrically conducting or electrically non-conducting. Selection of electrically conducting particles is preferred. The substrate having an array of tacky and non-tacky areas can either be electrically non-conducting (e.g., a dielectric substrate) or electrically-conducting. The methods involve use of first and second electrode plates with the substrate therebetween, the plates having applied thereto a direct current potential, which potential in preferred embodiments is reversed in polarity for a number N of cycles. Methods and articles are disclosed using an electrically conductive surface adjacent the tacky and non-tacky areas to minimize static buildup on the particles and tacky and non-tacky areas.
    Type: Application
    Filed: January 7, 2004
    Publication date: July 29, 2004
    Applicants: E.I. Du Pont De Nemours and Company, The Regents of the University of California
    Inventors: Thomas Kenneth Bednarz, Allan Cairncross, John Edwin Gantzhorn, George Yeaman Thomson
  • Publication number: 20030106925
    Abstract: Methods and associated apparatus are disclosed for use in mounting particles on and de-mounting particles from a substrate having an array of tacky and non-tacky areas. The particles can be either electrically conducting or electrically non-conducting. Selection of electrically conducting particles is preferred. The substrate having an array of tacky and non-tacky areas can either be electrically non-conducting (e.g., a dielectric substrate) or electrically-conducting. The methods involve use of first and second electrode plates with the substrate therebetween, the plates having applied thereto a direct current potential, which potential in preferred embodiments is reversed in polarity for a number N of cycles. Methods and articles are disclosed using an electrically conductive surface adjacent the tacky and non-tacky areas to minimize static buildup on the particles and tacky and non-tacky areas.
    Type: Application
    Filed: December 17, 2002
    Publication date: June 12, 2003
    Applicant: E.I. Du Pont De Nemours and Company
    Inventors: Thomas Kenneth Bednarz, Allan Cairncross, John Edwin Gantzhorn, George Yeaman Thomson
  • Patent number: 6540127
    Abstract: Methods and associated apparatus are disclosed for use in mounting particles on and de-mounting particles from a substrate having an array of tacky and non-tacky areas. The particles can be either electrically conducting or electrically non-conducting. Selection of electrically conducting particles is preferred. The substrate having an array of tacky and non-tacky areas can either be electrically non-conducting (e.g., a dielectric substrate) or electrically-conducting. The methods involve use of first and second electrode plates with the substrate therebetween, the plates having applied thereto a direct current potential, which potential in preferred embodiments is reversed in polarity for a number N of cycles. Methods and articles are disclosed using an electrically conductive surface adjacent the tacky and non-tacky areas to minimize static buildup on the particles and tacky and non-tacky areas.
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: April 1, 2003
    Assignee: The Regents of the University of California
    Inventors: Thomas Kenneth Bednarz, Allan Cairncross, John Edwin Gantzhorn, Jr., George Yeaman Thomson, Jr.
  • Publication number: 20020018859
    Abstract: Methods and associated apparatus are disclosed for use in mounting particles on and de-mounting particles from a substrate having an array of tacky and non-tacky areas. The particles can be either electrically conducting or electrically non-conducting. Selection of electrically conducting particles is preferred. The substrate having an array of tacky and non-tacky areas can either be electrically non-conducting (e.g., a dielectric substrate) or electrically-conducting. The methods involve use of first and second electrode plates with the substrate therebetween, the plates having applied thereto a direct current potential, which potential in preferred embodiments is reversed in polarity for a number N of cycles. Methods and articles are disclosed using an electrically conductive surface adjacent the tacky and non-tacky areas to minimize static buildup on the particles and tacky and non-tacky areas.
    Type: Application
    Filed: June 7, 2001
    Publication date: February 14, 2002
    Inventors: Thomas Kenneth Bednarz, Allan Cairncross, John Edwin Gantzhorn, George Yeaman Thomson