Patents by Inventor Staoshi Ueda

Staoshi Ueda 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 of preventing the corrosion of metallic wirings
    Patent number: 5312776
    Abstract: According to the method of preventing the corrosion of metallic wirings of the present invention, aluminium alloy wirings are formed on the surface of a substrate with the use of photoresists, and the photoresists are then removed. Thereafter, HMDS (hexamethyl disilazine) serving as a surface-active agent or its derivative is supplied to the aluminium alloy wirings to form hydrophobic molecular layers on the lateral walls of the aluminium alloy wirings.
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: May 17, 1994
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tomoyasu Murakami, Michinari Yamanaka, Kousaku Yano, Masayuki Endo, Noboru Nomura, Staoshi Ueda, Naoto Matsuo, Hiroshi Imai, Masafumi Kubota