Patents by Inventor Jin P. Hong

Jin P. Hong 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).

  • Patent number: 5599465
    Abstract: A method is provided for producing superconducting Josephson devices using a chemical etching solution which comprises forming a mask on a predetermined portion of a MgO substrate, and immersing the MgO substrate having the mask in an aqueous acid solution in which the volume ratio of phosphoric acid to sulfuric acid is approximately 10:1 or more, so as to form a step at the boundary between the masked region and the unmasked region.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: February 4, 1997
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chan H. Park, Jin P. Hong