Patents by Inventor Gyu Han Bae

Gyu Han Bae 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).

  • Apparatus and method for forming leads and removing tin dust from leads
    Patent number: 6085804
    Abstract: A lead forming apparatus and a method for removing tin dust from the surface of the outer leads of semiconductor package are disclosed. The apparatus, in which a brushing operation removes tin dust from the outer leads, includes a supplier part; a lead forming part; a collection part; an intermediate post; a package transportation part; a brush block; and a brush transportation part. The method includes steps of providing a leadframe, forming the package leads, removing tin dust from the leads, and collecting the packages in a container.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: July 11, 2000
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Hyuk Choi, Tai Kew Choi, Gyu Han Bae, Byong Do Na