Patents by Inventor Waikeung Lau

Waikeung Lau 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).

  • Patent number: 8614863
    Abstract: A row bar with smart sensor for forming sliders, which comprises a row of slider forming portions, each slider forming portion comprising a slider to be cut from the row bar and a medial region adjacent the slider; each slider comprises a slider body and a magnetic writer disposed in the slider body, with the magnetic writer having a main pole which includes a pole face for being lapped, and all the main poles are arranged in a row; the row bar has at least one smart sensor disposed therein, with the smart sensor having at least three dummy poles, whose structure is identical to that of said main pole, arranged in the row of the main poles, there is a space between every two adjacent dummy poles of said smart sensor, and there is a offset in the direction vertical with the pole face between every two adjacent dummy poles of said smart sensor. The invention also discloses a method of manufacturing the slider.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: December 24, 2013
    Assignee: SAE Magnetics (H.K.) Ltd.
    Inventors: Ryuji Fujii, Waikeung Lau, Guowei Li, Longping Wang, Xiangbin Xiao, Quanbao Wang
  • Publication number: 20120036706
    Abstract: A row bar for forming sliders has a row of slider forming portions, each slider forming portion having a slider to be cut from the row bar and a medial region adjacent the slider, each medial region having a first guide pad disposed thereon; wherein each slider has: a slider body; a magnetic writer and a magnetic reader disposed on the slider body; a second guide pad disposed on the slider body; two electrical lapping guides disposed on the slider body and electrically connecting to the first guide pad and the second guide pad respectively; a row of bonding pads formed on the slider body and electrically connecting to the magnetic reader and the magnetic writer; and a grounding pad disposed on the slider body and electrically connecting to the first guide pad and the second guide pad. The invention also discloses a method of manufacturing the slider.
    Type: Application
    Filed: November 16, 2010
    Publication date: February 16, 2012
    Applicant: SAE Magnetics (H.K.) Ltd.
    Inventors: Waikeung Lau, Guowei Li, Yasutoshi Fujita, Quanbao Wang, Xiangbin Xiao, Longping Wang
  • Publication number: 20110296673
    Abstract: A row bar with smart sensor for forming sliders, which comprises a row of slider forming portions, each slider forming portion comprising a slider to be cut from the row bar and a medial region adjacent the slider; each slider comprises a slider body and a magnetic writer disposed in the slider body, with the magnetic writer having a main pole which includes a pole face for being lapped, and all the main poles are arranged in a row; the row bar has at least one smart sensor disposed therein, with the smart sensor having at least three dummy poles, whose structure is identical to that of said main pole, arranged in the row of the main poles, there is a space between every two adjacent dummy poles of said smart sensor, and there is a offset in the direction vertical with the pole face between every two adjacent dummy poles of said smart sensor. The invention also discloses a method of manufacturing the slider.
    Type: Application
    Filed: August 13, 2010
    Publication date: December 8, 2011
    Applicant: SAE Magnetics (H.K.) Ltd.
    Inventors: Ryuji Fujii, Waikeung Lau, Guowei Li, Longping Wang, Xiangbin Xiao, Quanbao Wang