Patents Represented by Attorney Dinsmore & Sshohl LLP
  • Patent number: 7022262
    Abstract: Methods of producing doped and undoped yttrium aluminum garnet and yttrium aluminum perovskite containing powders and the powders produced thereby are provided. Additionally, methods of forming doped and undoped polycrystalline yttrium aluminum garnet having a mean grain size of between about 1 ?m to about 3 ?m and the yttrium aluminum garnet produced thereby are provided. The doped and undoped polycrystalline yttrium aluminum garnet may be formed by sintering a compact and subsequently hot isostatically pressing the compact.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: April 4, 2006
    Assignee: UES, Inc.
    Inventors: HeeDong Lee, Tai-Il Mah, Triplicane A. Parthasarathy, Kristin A. Keller