Patents by Inventor S.A. Shivashankar

S.A. Shivashankar 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).

  • Publication number: 20110031986
    Abstract: The present invention relates to high sensitivity chemical sensors, more particularly relates to high sensitivity chemical sensors which are capacitively coupled, FET based analyte sensors. A sub-threshold capacitively coupled Field Effect Transistor (CapFET) sensor for sensing an analyte comprises fixed dielectric placed on substrate of the CapFET and second dielectric sensitive to the analyte, placed between gate terminal of the CapFET and the fixed dielectric, wherein presence of the analyte alters either dielectric constant of the second dielectric or work function of the gate.
    Type: Application
    Filed: June 19, 2008
    Publication date: February 10, 2011
    Inventors: Navakanta Bhat, Balaji Jayaraman, S.A. Shivashankar, Rudra Pratap