Patents by Inventor Yu-fei MENG

Yu-fei MENG 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).

  • Production of large, high purity single crystal CVD diamond
    Patent number: 9023307
    Abstract: The invention relates to single crystal diamond with high optical quality and methods of making the same. The diamond possesses an intensity ratio of the second-order Raman peak to the fluorescence background of around 5 or greater.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: May 5, 2015
    Assignee: Carnegie Institution of Washington
    Inventors: Russell J. Hemley, Yu-fei Meng, Chih-Shiue Yan, Ho-kwang Mao
  • Production of Large, High Purity Single Crystal CVD Diamond
    Publication number: 20110280790
    Abstract: The invention relates to single crystal diamond with optical quality and methods of making the same. The diamond possesses an intensity ratio of the second-order. Raman peak to the fluorescence background of around 5 or greater.
    Type: Application
    Filed: May 17, 2011
    Publication date: November 17, 2011
    Applicant: Carnegie Institution of Washington
    Inventors: Russell J. Hemley, Yu-fei Meng, Chih-Shiue Yan, Ho-kwang Mao
  • Enhanced Optical Properties of Chemical Vapor Deposited Single Crystal Diamond by Low-Pressure/High-Temperature Annealing
    Publication number: 20100104494
    Abstract: The method of improving the optical properties of single crystal CVD diamond which comprises annealing the crystals at a temperature of up to 2200° C. and a pressure below 300 torr.
    Type: Application
    Filed: October 26, 2009
    Publication date: April 29, 2010
    Inventors: Yu-fei MENG, Chih-Shiue YAN, Ho-kwang MAO, Russell J. HEMLEY