Patents Examined by Daniel E. Valencia
  • Embedded sensor, method for producing, and temperature/strain fiber optic sensing system
    Patent number: 6876785
    Abstract: A method for embedding fiber optic sensors in a high melting temperature metal structure produces embedded sensors that are uniformly and closely bonded with the metal and do not slip upon metal expansion and contraction. The structure is built in layers onto the sensor. On top of a first thin sputter-coated metallic layer, approximately 1-3 ?m thick, is electroplated a second thin layer, approximately 0.25-2 mm thick. Finally, a metal structure is built around the thin metallic layers by laser cladding, casting, welding, or other method.
    Type: Grant
    Filed: June 20, 2000
    Date of Patent: April 5, 2005
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Xiaochun Li, Friedrich Prinz, Anastasios Golnas