Patents by Inventor Jonathan Sanghun Cho

Jonathan Sanghun Cho 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 drying a substrate
    Patent number: 6216709
    Abstract: A method for drying workpieces in accordance with our invention includes the step of immersing the workpieces in a liquid, holding the workpieces with a first holding mechanism, slowly draining the liquid from the container until a first portion of the workpieces is exposed and dried, holding the workpieces with a second holding means at the first portion, and draining the remainder of the liquid from the container. Because of this, a drying portion of the workpiece is not held by a wet holding mechanism.
    Type: Grant
    Filed: November 3, 1998
    Date of Patent: April 17, 2001
    Assignee: Komag, Inc.
    Inventors: Robert Pui Chi Fung, David Paul Musser, Jonathan Sanghun Cho