Patents Represented by Law Firm Schlesinger, Fitzsimmons & Shlesinger
  • Method of manufacturing internal oxidized Ag-SnO system alloy contact materials
    Patent number: 4695330
    Abstract: Internal oxidized Ag-SnO system alloy electrical contact materials having a moderate initial contact resistance and having no depletion layer is disclosed. The alloy is internal oxidized by having it sandwiched between pure silver thin layers, and is cut horizontally right in two, simultaneously removing the depletion layer from the internally oxidized alloy.
    Type: Grant
    Filed: September 30, 1986
    Date of Patent: September 22, 1987
    Assignee: Chugai Denki Kogyo K.K.
    Inventor: Akira Shibata