Patents by Inventor P. Santhana Raghavan

P. Santhana Raghavan 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).

  • Device and method for multicrystalline silicon wafers
    Publication number: 20040187767
    Abstract: A method for making ingots, and devices for making ingots are provided. Crucibles are provided that are reusable for forming multicrystalline silicon ingots. Crucibles are provided with features such as multiple components, coefficients of thermal expansion, and coatings that enhance a release of the ingots from the crucibles after cooling. Coatings on crucibles are provided that reduce or eliminate contamination of silicon ingots during formation. Methods of forming composite wafers are provided that produce a low cost wafer without sacrificing performance.
    Type: Application
    Filed: October 24, 2003
    Publication date: September 30, 2004
    Applicant: Intel Corporation
    Inventors: Mohan Chandra, Bernard D. Jones, P. Santhana Raghavan, Carl Chartier, Alleppey V. Hariharan, Tom McGee, Dean C. Skelton