Patents by Inventor Tzong-Shii S. Pan

Tzong-Shii S. Pan 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: 7137187
    Abstract: A method producing a limiter and flexure configuration that includes a flexure that has a first section attached to the load beam, and a second section defining a slider mounting section and a frame that defines an aperture into which the slide mounting section extends in a direction towards the first section, and terminating in an end that interacts with the free end of the limiter. The aperture is sized and positioned to provide a clearance allowing the limiter to freely move through the aperture such that the limiter is free to be bent from the first position to the second position and to extend through the aperture after the flexure assembly has been attached to the load beam. The limiter is bent from the first position to the second position, extending through the aperture, after the flexure assembly has been attached to the load beam.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: November 21, 2006
    Assignee: Hitachi Global Storage Technologies, The Netherlands B.V.
    Inventors: Tzong-Shii S. Pan, Surya Pattanaik
  • Patent number: 6965501
    Abstract: The integrated lead suspension assembly comprises several improvements. An oversized terminating pad for the electrical traces and a smaller adjacent insulation layer on the flexure assembly enable laser solder ball bonding of the pads to the read/write terminal contacts on the slider without clamping operation. Consequently, the tip of the load beam can be made narrow for a structure that provides for head loading and unloading functions, which improves the dynamic performance of the suspension assembly. The flexure assembly is configured such that it requires no permanent bending in its forming process, and any permanent bending required is done to the load beam. The limiter that limits the travel of the flexure assembly is formed on the load beam and it is bent to the functional position only after attachment of the flexure assembly to the load beam.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: November 15, 2005
    Assignee: Hitachi Global Storage Technologies, The Netherlands B.V.
    Inventors: Tzong-Shii S. Pan, Surya Pattanaik
  • Patent number: 6735051
    Abstract: The present invention is directed towards a suspension for use with heads that are positioned upstream of the actuator arm in a disk drive. The suspension includes a motion limiter to limit displacement both away from the load beam and towards the flexure proximal end. The suspension also includes traces with connections located on the proximal end of the gimbaled region of the flexure for making electrical contact with a head on a slider.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: May 11, 2004
    Inventors: Qinghua Zeng, Toshiki Hirano, Tzong-Shii S. Pan, Francis C. Lee
  • Patent number: 6697216
    Abstract: The present invention is directed towards a disk drive that comprises at least one head carrying assembly that includes an actuator arm, a suspension attached to the actuator arm, and a head carried by the suspension. Each head is positioned upstream of its actuator arm. This reversed-flow orientation reduces head vibration and disk power requirements.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: February 24, 2004
    Assignee: Hitachi Global Storage Technologies
    Inventors: Qinghua Zeng, Toshiki Hirano, Tzong-Shii S. Pan, Francis C. Lee
  • Publication number: 20040027725
    Abstract: The integrated lead suspension assembly comprises several improvements. An oversized terminating pad for the electrical traces and a smaller adjacent insulation layer on the flexure assembly enable laser solder ball bonding of the pads to the read/write terminal contacts on the slider without clamping operation. Consequently, the tip of the load beam can be made narrow for a structure that provides for head loading and unloading functions, which improves the dynamic performance of the suspension assembly. The flexure assembly is configured such that it requires no permanent bending in its forming process, and any permanent bending required is done to the load beam. The limiter that limits the travel of the flexure assembly is formed on the load beam and it is bent to the functional position only after attachment of the flexure assembly to the load beam.
    Type: Application
    Filed: June 30, 2003
    Publication date: February 12, 2004
    Inventors: Tzong-Shii S. Pan, Surya Pattanaik
  • Publication number: 20030214750
    Abstract: The present invention is directed towards a disk drive that comprises at least one head carrying assembly that includes an actuator arm, a suspension attached to the actuator arm, and a head carried by the suspension. Each head is positioned upstream of its actuator arm. This reversed-flow orientation reduces head vibration and disk power requirements.
    Type: Application
    Filed: June 12, 2003
    Publication date: November 20, 2003
    Inventors: Qinghua Zeng, Toshiki Hirano, Tzong-Shii S. Pan, Francis C. Lee
  • Publication number: 20030026038
    Abstract: The present invention is directed towards a disk drive that comprises at least one head carrying assembly that includes an actuator arm, a suspension attached to the actuator arm, and a head carried by the suspension. Each head is positioned upstream of its actuator arm. This reversed-flow orientation reduces head vibration and disk power requirements.
    Type: Application
    Filed: July 31, 2001
    Publication date: February 6, 2003
    Inventors: Qinghua Zeng, Toshiki Hirano, Tzong-Shii S. Pan, Francis C. Lee