Patents by Inventor WeiWei He

WeiWei He 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 preventing TMR MRR drop of a slider and method for manufacturing sliders
    Publication number: 20080212242
    Abstract: The invention provides a method for preventing TMR MRR drop of a slider, including: positioning a row bar constructed by sliders on a tray, each slider incorporating a TMR element; loading the tray into a processing chamber and evacuating the processing chamber to a predetermined pressure; forming a first etching means; exposing the sliders to the first etching means such that an oxide layer is formed on a surface of the TMR element; forming a second etching means; and exposing the sliders to the second etching means such that the oxide layer is etched to get a reduced thickness. The invention also discloses a method for manufacturing sliders.
    Type: Application
    Filed: January 8, 2008
    Publication date: September 4, 2008
    Applicant: SAE Magnetics (H.K.) Ltd.,
    Inventors: HongTao Ma, BaoHua Chen, XiaoFeng Qiao, Hongxin Fang, WeiWei He