Patents Assigned to Du Pont Kabushiki Kaisha
  • Patent number: 6565774
    Abstract: A paste for formation of ceramic capacitor electrode, composed of 10 to 14% by weight of an organic vehicle and 86 to 90% by weight of a platinum powder, wherein the platinum powder contains, in 100% by weight of the powder, 54 to 60% by weight of a spherical particle powder, 36 to 40% by weight of a flaky particle powder and 0 to 10% by weight of an indefinite particle powder. The electrode layer film of ceramic capacitor formed with the paste has a density, a surface roughness and an adhesion strength all of given values, can have improved adhesivity to the dielectric layer of the ceramic capacitor, and can make small the through holes generated in the electrode layer.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: May 20, 2003
    Assignees: NGK Insulators, Ltd., Du Pont Kabushiki Kaisha
    Inventors: Takashi Ohashi, Minoru Ohara, Kazunori Imai
  • Patent number: 6556797
    Abstract: An image-forming apparatus is disclosed in which, using a photosensitive member and a toner, an unfixed image of the toner is formed on a transfer medium and the unfixed image on the transfer medium is fixed by a heat-and-pressure fixing means. In the image-forming apparatus, a delivery guide member, which guides the delivery of the transfer medium and is placed close to the heat and pressure fixing means, has a value of triboelectric voltage not greater than 500 V as measured by the triboelectric voltage measuring method according to JIS L1094B.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: April 29, 2003
    Assignees: Canon Kabushiki Kaisha, Du Pont Kabushiki Kaisha
    Inventors: Makoto Nishigaki, Atsushi Sano, Masahiko Ijuin, Toshikazu Kobayashi
  • Publication number: 20030033956
    Abstract: A paste for formation of ceramic capacitor electrode, composed of 10 to 14% by weight of an organic vehicle and 86 to 90% by weight of a platinum powder, wherein the platinum powder contains, in 100% by weight of the powder, 54 to 60% by weight of a spherical particle powder, 36 to 40% by weight of a flaky particle powder and 0 to 10% by weight of an indefinite particle powder. The electrode layer film of ceramic capacitor formed with the paste has a density, a surface roughness and an adhesion strength all of given values, can have improved adhesivity to the dielectric layer of the ceramic capacitor, and can make small the through holes generated in the electrode layer.
    Type: Application
    Filed: July 12, 2001
    Publication date: February 20, 2003
    Applicant: NGK Insulators, Ltd. and Du Pont Kabushiki Kaisha
    Inventors: Takashi Ohashi, Minoru Ohara, Kazunori Imai