Patents by Inventor Kwang Bo Shim

Kwang Bo Shim 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).

  • Vertical gradient freezing apparatus for compound semiconductor single crystal growth
    Patent number: 5135726
    Abstract: A vertical gradient freeze single crystal growing apparatus utilizing a direct monitoring furnace which is possible to obtain rapid high temperature heating and uniform temperature distribution by using direct monitoring furnace as a higher temperature part furnace provided with double quartz tube applied with gold thin film, and also capable of observing entire process of single crystal growing directly by naked eye.
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: August 4, 1992
    Assignee: Korea Institute of Science and Technology
    Inventors: Suk Ki Min, Seung Chul Park, Chul Won Han, Young Ju Park, Kwang Bo Shim