Patents by Inventor Ludwig L. Galambos

Ludwig L. Galambos 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 increasing bulk conductivity of a ferroelectric material such as lithium tantalate
    Patent number: 7527755
    Abstract: In one embodiment, a ferroelectric material is processed by placing the material in an environment including metal vapor and heating the material to a temperature below the Curie temperature of the material. This allows the bulk conductivity of the ferroelectric material to be increased without substantially degrading its ferroelectric domain properties. In one embodiment, the ferroelectric material comprises lithium tantalate and the metal vapor comprises zinc.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: May 5, 2009
    Assignee: Silicon Light Machines Corporation
    Inventors: Ronald O. Miles, Ludwig L. Galambos, Janos J. Lazar, Gabriel C. Risk, Alexei L. Alexandrovski, Gregory D. Miller, David Caudillo, Joseph M. McRae, Gisele L. Foulon
  • Method and apparatus for increasing bulk conductivity of a ferroelectric material
    Patent number: 6932957
    Abstract: In one embodiment, a ferroelectric material is processed by placing the material in an environment including metal vapor and heating the material to a temperature below the Curie temperature of the material. This allows the bulk conductivity of the ferroelectric material to be increased without substantially degrading its ferroelectric domain properties. In one embodiment, the ferroelectric material comprises lithium tantalate and the metal vapor comprises zinc.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: August 23, 2005
    Assignee: Silicon Light Machines Corporation
    Inventors: Ronald O. Miles, Ludwig L. Galambos, Janos J. Lazar, Gabriel C. Risk, Alexei L. Alexandrovski, Gregory D. Miller, David Caudillo, Joseph M. McRae, Gisele L. Foulon
  • Method and apparatus for increasing bulk conductivity of a ferroelectric material
    Publication number: 20040222273
    Abstract: In one embodiment, a method of processing a ferroelectric material comprises enclosing the ferroelectric material and a metal source in a container, ramping up the temperature of the container, heating the container for a target amount of time at a temperature below a Curie temperature of the ferroelectric material, and then ramping down the temperature of the container. The target amount of time may be set to obtain a target conductivity. For example, the target amount of time may be about 25 hours or less.
    Type: Application
    Filed: June 9, 2004
    Publication date: November 11, 2004
    Inventors: Ludwig L. Galambos, Joseph M. McRae, Ronald O. Miles
  • Process boat and shell for wafer processing
    Publication number: 20040221810
    Abstract: In one embodiment, an apparatus for wafer processing comprises a boat and a shell. The shell may be configured to receive and enclose the boat, which in turn may be configured to receive a plurality of wafers. The shell may include a plurality of slots to allow vapor to escape out of the shell and away from the wafers during a temperature ramp down. The apparatus may be employed in a variety of wafer processing applications including in processes for increasing the bulk conductivity of ferroelectric materials, for example.
    Type: Application
    Filed: June 9, 2004
    Publication date: November 11, 2004
    Inventors: Ronald O. Miles, Ludwig L. Galambos, Janos J. Lazar
  • Method and apparatus for increasing bulk conductivity of a ferroelectric material
    Publication number: 20040163596
    Abstract: In one embodiment, a ferroelectric material is processed by placing the material in an environment including metal vapor and heating the material to a temperature below the Curie temperature of the material. This allows the bulk conductivity of the ferroelectric material to be increased without substantially degrading its ferroelectric domain properties. In one embodiment, the ferroelectric material comprises lithium tantalate and the metal vapor comprises zinc.
    Type: Application
    Filed: June 28, 2002
    Publication date: August 26, 2004
    Inventors: Ronald O. Miles, Ludwig L. Galambos, Janos J. Lazar, Gabriel C. Risk, Alexei L. Alexandrovski, Gregory D. Miller, David Caudillo, Joseph M. McRae, Gisele L. Foulon