Patents by Inventor Cheon Yoon

Cheon Yoon 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).

  • Cathode ray tube panel
    Patent number: 6448707
    Abstract: A substantially rectangular glass panel for a cathode ray tube is made of a glass having a linear X-ray absorption coefficient of at least 34 cm−1 at a wavelength of 0.6 Å, with the dimensions of the panel satisfying the condition of 0.07≦T/D≦0.09; and the panel is prestressed so that the surface of the face of the panel has a residual compressive stress ranging from 5 to 25 MPa, wherein T is the central thickness of the face of the panel in inches and D is the maximum diagonal line length of the face of the panel in inches.
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: September 10, 2002
    Assignee: Samsung Corning Co., Ltd.
    Inventors: Cheon Yoon, Dong-Sang Kim, Byung-Chul Lim, Chang-Wook Bin