Patents by Inventor Hung-Chang Ward Huang

Hung-Chang Ward Huang 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).

  • Air bearing slider including pressurized side pads with forward and trailing shallow etched surfaces
    Patent number: 7019945
    Abstract: An aspect of the invention can be regarded an air bearing slider for use in a disk drive including a rotatable magnetic disk. The slider includes a leading side and a trailing side. The slider further includes opposing lateral sides extending between the leading and trailing sides. The slider further includes a transducer pad disposed adjacent the trailing side. The transducer pad includes a transducer for reading and writing data from and to the magnetic disk. The slider further includes a pair of pressurized side pads each respectively disposed laterally between the transducer pad and a respective one of the lateral sides. Each side pad includes a forward shallow etched surface, a trailing shallow etched surface extending from adjacent the trailing side toward the leading side, and a side pad air bearing surface disposed between and above the forward and trailing shallow etched surfaces.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: March 28, 2006
    Assignee: Western Digital Technologies, Inc.
    Inventors: Jih-Ping Peng, Ciuter Chang, Ji-Feng Ying, Hung-Chang Ward Huang