Patents Assigned to Semiconductor Sensors, Inc.
  • Hydrogen detector
    Patent number: 4058368
    Abstract: A device for the detection of hydrogen comprising a semiconductor, a metal electrode and an insulator situated between the semiconductor and the electrode. The metal electrode is made of palladium, nickel, platinum or an alloy containing at least 20% palladium by atomic weight. In one embodiment, the device is a field-effect transistor. Means are also provided for heating the device for improving its response time.
    Type: Grant
    Filed: September 9, 1975
    Date of Patent: November 15, 1977
    Assignee: Semiconductor Sensors, Inc.
    Inventors: Christer Martinus Svensson, Leif Sigurd Lundkvist, Kurt Ingemar Lundstrom, Madurai Somanathan Shivaraman