Patents by Inventor Xiao Feng Qiao

Xiao Feng Qiao 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).

  • Methods for forming micro-texture on an air bearing surface of a magnetic read/write slider and a magnetic read/write slider with micro-texture
    Patent number: 7965471
    Abstract: A method for forming micro-texture on an air bearing surface of a magnetic read/write slider, includes: positioning sliders arranged in arrays on a tray, each slider having a pole tip facing upward; loading the tray into a processing chamber, which is then evacuated to a preset pressure; and introducing a processing gas containing oxygen into the processing chamber; exposing the sliders to etch the surface of the slider so as to form a clear two-step structure thereon.
    Type: Grant
    Filed: September 6, 2005
    Date of Patent: June 21, 2011
    Assignee: SAE Magnetics (H.K.) Ltd.
    Inventors: Kunihiro Ueda, HongTao Ma, Hong Xin Fang, Xiao Feng Qiao, Heng Qiao, Yong Zhu