Patents by Inventor Yong H. Hur

Yong H. Hur 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).

  • Mercury-thallium-barium-calcium-strontium-copper-oxide 1223 superconductor and method of making same
    Patent number: 5492885
    Abstract: Mercury-thallium based superconductors with the formula Hg.sub.1-x Tl.sub.x Ba.sub.2 (Ca.sub.1-y Sr.sub.y).sub.2 Cu.sub.3 O.sub.8+.delta. ; change "their preparing method, in particular characterized in that it" to and a method for preparing them. The new superconductors are prepared by reacting respective ternary oxides, such as Ba.sub.2 CuO.sub.3+x and Ca.sub.1-y Sr.sub.y CuO.sub.2, to reduce the formation of an impure phase and by substituting thallium (Ti) a portion of the mercury (Hg) conventionally used in mercury-based superconductors of similar structure, in order to thermally stabilize the superconductor and provide it with a high critical current density characteristic.
    Type: Grant
    Filed: August 17, 1994
    Date of Patent: February 20, 1996
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Yong H. Hur, Yong K. Park, Jong C. Park