Patents Represented by Attorney, Agent or Law Firm Dean B. Watson
  • Nickel hydroxide positive electrode material exhibiting improved conductivity and engineered activation energy
    Patent number: 6228535
    Abstract: High capacity, long cycle life positive electrode modified nickel hydroxide material for use in an alkaline rechargeable electrochemical cell at least one modifier and has modified activation energy, chemical potential and electrical conductivity. Particle size, particle size distribution, electrical conductivity have been controlled by introducing modifier elements throughout the bulk of the active material and by controlling process parameters.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: May 8, 2001
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Cristian Fierro, Michael A. Fetcenko, Kwo Young, Stanford R. Ovshinsky, Beth Sommers, Craig Harrison
  • Apparatus for the simultaneous deposition by physical vapor deposition and chemical vapor deposition and method therefor
    Patent number: 6186090
    Abstract: Apparatus and method for the vacuum deposition of at least two different layers of thin film material onto a substrate by two different vacuum deposition processes. Also disclosed is a novel linear applicator for using microwave enhanced CVD to uniformly deposit a thin film of material over an elongated substrate.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: February 13, 2001
    Assignee: Energy Conversion Devices, Inc.
    Inventors: Buddy R. Dotter, II, Joachim Doehler, Timothy Ellison, Masatsugo Izu, Herbert C. Ovshinsky
  • Method for powder formation of a hydrogen storage alloy
    Patent number: 6120936
    Abstract: A novel method for forming powder of a hydrogen storage alloy without the need for further mechanical processing. The alloy powder may be adapted for use as the negative electrode material of rechargeable electrochemical, hydrogen storage cells. The method includes the step of controlling the hydrogen concentration within the hydrogen storage alloy to form powder where 90% of the particles are less than 250 microns in average dimension.
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: September 19, 2000
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Kwo Young, Michael A. Fetcenko