Patents by Inventor Won-chae Suh

Won-chae Suh 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).

  • Method for forming a minute pattern in a metal workpiece
    Patent number: 5863411
    Abstract: A method for forming a minute pattern in a metal workpiece, comprising the steps of forming a mask pattern on the metal workpiece and electro-chemically etching the metal workpiece. The workpiece is electro-chemically etched in a electrolyte bath following formation of the mask pattern.
    Type: Grant
    Filed: March 2, 1996
    Date of Patent: January 26, 1999
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-oun Kang, Sang-young Moon, Doo-heun Baek, Won-chae Suh