Patents by Inventor Timothy C. Lommasson

Timothy C. Lommasson 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).

  • Method for texturing silicon surfaces and wafers thereof
    Patent number: 8658544
    Abstract: This invention relates to a method for texturing a silicon surface and silicon wafers made by the method, where the method comprises immersing the wafers in an alkaline solution at pH>10, and applying a potential difference between the wafer and a platinum electrode in the electrolyte in the range of +10 to +85 V.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: February 25, 2014
    Assignee: Norut Narvik AS
    Inventors: Ingemar Olefjord, Timothy C. Lommasson
  • METHOD FOR TEXTURING SILICON SURFACES AND WAFERS THEREOF
    Publication number: 20110059618
    Abstract: This invention relates to a method for texturing a silicon surface and silicon wafers made by the method, where the method comprises immersing the wafers in an alkaline solution at pH>10, and applying a potential difference between the wafer and a platinum electrode in the electrolyte in the range of +10 to +85 V.
    Type: Application
    Filed: March 12, 2009
    Publication date: March 10, 2011
    Applicant: Norut Narvik AS
    Inventors: Ingemar Olefjord, Timothy C. Lommasson
  • Flangeless feed through
    Patent number: 6391171
    Abstract: A flangeless feed through supplies power to a device through a passage in a wall of a vacuum chamber. The feed through includes an insulator ring securely positioned in the passage, a first threaded insert, and a second threaded insert which engages the first threaded insert, wherein the insulator ring is gripped by the first and second threaded inserts. The feed through is installed by securely positioning the insulator ring within the passage, inserting the first threaded insert into the passage, and then connecting the first and second threaded inserts to grip the insulator ring.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: May 21, 2002
    Assignee: Applied Materials, Inc.
    Inventor: Timothy C. Lommasson