Patents by Inventor Kwang Jo Chung

Kwang Jo Chung 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: 7202935
    Abstract: An imprinting apparatus including a plate unit, and a plurality of imprinting modules provided on a lower surface of the plate unit. Each imprinting module is self-aligned by a compliance of six degree of freedom and vertically moved along with the plate unit by a controller. The imprint module is independently self-aligned in response to surface conditions of an objective material to compensate for a relative pose error thereof, such that a pattern formed on a lower end of the imprinting module can be imprinted on an upper surface of the objective material within a predetermined unit range, and a sequence of imprinting the pattern of the imprinting module on the objective material can be variously controlled.
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: April 10, 2007
    Assignee: Korea Institute of Machinery & Materials
    Inventors: Jae Jong Lee, Kee Bong Choi, Gee Hong Kim, Kwang Jo Chung