Patents by Inventor Shieh-Ming Chang

Shieh-Ming Chang 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 for guiding air current of equipment used in clean room
    Patent number: 5788567
    Abstract: An apparatus for the guiding an air current of equipment used in a clean room is disclosed which comprises a chassis for protecting the equipment, a cooling fan for bringing warm air generated inside the chassis, and a guiding panel being attached on one side of the chassis for guiding the warm air brought by the cooling fan to conform downwards to the direction of the vertical air flow in a clean room for reducing particulate contamination. The present invention also provides a way for preventing buidup of static charges on the equipment.
    Type: Grant
    Filed: February 16, 1996
    Date of Patent: August 4, 1998
    Assignee: Mosel Vitelic Inc.
    Inventors: Shieh-Ming Chang, Wen-Hong Lee, Jun-Ming Chen