Patents by Inventor Earl Chrzaszcz Johns

Earl Chrzaszcz Johns 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).

  • Publication number: 20120003399
    Abstract: A method includes: forming a recording layer on a substrate and depositing a nanocomposite layer on the recording layer, the nanocomposite layer including a wear-resistant material and a solid lubricant material, wherein the atomic percentage of the solid lubricant material in the nanocomposite layer is in a range from about 5% to about 99%.
    Type: Application
    Filed: September 15, 2011
    Publication date: January 5, 2012
    Applicant: Seagate Technology LLC
    Inventors: Lei Li, Yiao-Tee Hsia, Paul Max Jones, Earl Chrzaszcz Johns, James Dillon Kiely
  • Patent number: 8053097
    Abstract: An apparatus includes a substrate, a recording layer on the substrate, and a nanocomposite layer on the recording layer, the nanocomposite layer including a wear-resistant material and a solid lubricant material, wherein the atomic percentage of the solid lubricant material in the nanocomposite layer is in a range from about 5% to about 99%. A method of making the apparatus is also provided.
    Type: Grant
    Filed: January 5, 2009
    Date of Patent: November 8, 2011
    Assignee: Seagate Technology LLC
    Inventors: Lei Li, Yiao-Tee Hsia, Paul Max Jones, Earl Chrzaszcz Johns, James Dillion Kiely
  • Patent number: 7903533
    Abstract: An apparatus includes a storage medium, and a transducer positioned adjacent to the storage medium, wherein the transducer includes a first electrode and a second electrode, with the width of the first electrode being less than the width of the second electrode. A method including: applying a first voltage to a transducer to write data to a storage medium, and applying a second voltage to the transducer to read data from the storage medium, wherein the magnitude of the first voltage is greater than the magnitude of the second voltage.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: March 8, 2011
    Assignee: Seagate Technology LLC
    Inventors: Mark David Bedillion, Andreas Karl Roelofs, Earl Chrzaszcz Johns, Yongjun Zhao, Edward Stephen Skalko
  • Patent number: 7903532
    Abstract: An apparatus comprises a storage medium, a head substrate, wherein the storage medium and the head substrate are separated by a gap, a plurality of electrodes separated from each other, and a support structure positioned in the gap for supporting some of the electrodes. An apparatus comprising a storage medium, a head substrate, wherein the storage medium and the head substrate are separated by a gap, a plurality of posts positioned in the gap, a layer of low friction material positioned on one end of each of the posts, is also described.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: March 8, 2011
    Assignee: Seagate Technology LLC
    Inventors: Patrick Breckow Chu, Mark David Bedillion, Earl Chrzaszcz Johns, Mark Ian Lutwyche
  • Publication number: 20100173176
    Abstract: An apparatus includes a substrate, a recording layer on the substrate, and a nanocomposite layer on the recording layer, the nanocomposite layer including a wear-resistant material and a solid lubricant material, wherein the atomic percentage of the solid lubricant material in the nanocomposite layer is in a range from about 5% to about 99%. A method of making the apparatus is also provided.
    Type: Application
    Filed: January 5, 2009
    Publication date: July 8, 2010
    Applicant: Seagate Technology LLC
    Inventors: Lei Li, Yiao-Tee Hsia, Paul Max Jones, Earl Chrzaszcz Johns, James Dillion Kiely
  • Patent number: 7599213
    Abstract: An apparatus includes a storage media having a surface coated with a lubricant, and a plurality of probes having tips contacting the lubricant, wherein the probes are coated with one of a fluorocarbon, perfluoropolyether, polytetrafluoroethylene, fluorinated ethylene propylene, polyethylene, or a hydrocarbon polymer.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: October 6, 2009
    Assignee: Seagate Technology LLC
    Inventors: Paul Max Jones, Earl Chrzaszcz Johns, James Dillon Kiely, Lei Li, Yiao-Tee Hsia
  • Patent number: 7521137
    Abstract: Patterned thin films comprise regions of relatively low thermal conductivity material separated by regions of relatively high thermal conductivity material. The low thermal conductivity regions may be provided in the form of cylinders or cuboids which are arranged in a continuous matrix of the high thermal conductivity material. The thin film may be used as thermal control layers in data recording media such as heat assisted magnetic recording media.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: April 21, 2009
    Assignee: Seagate Technology LLC
    Inventors: Julius Kurt Hohlfeld, Yukiko Kubota, Dieter Klaus Weller, Stanko Radvan Brankovic, Xiaomin Yang, Earl Chrzaszcz Johns
  • Publication number: 20090009906
    Abstract: An apparatus includes a storage medium, a transducer positioned adjacent to the storage medium and along an axis, and first and second support members connected to the transducer at positions that are spaced apart in the direction of the axis.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 8, 2009
    Applicant: Seagate Technology LLC
    Inventors: Wayne Allen Bonin, Earl Chrzaszcz Johns, Yongjun Zhao
  • Publication number: 20090010144
    Abstract: An apparatus includes a storage medium, a transducer including an electrode positioned along an axis and having a curved end positioned adjacent to the storage medium, a wear-resistant coating surrounding the electrode, and an actuator for providing relative movement between the storage medium and the transducer.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 8, 2009
    Applicant: Seagate Technology LLC
    Inventors: Earl Chrzaszcz Johns, Corina Nistorica, Martin Gerard Forrester, Jay Zhao
  • Patent number: 7447140
    Abstract: An apparatus comprises a ferroelectric storage medium, and a transducer for reading data from the ferroelectric storage medium and for writing data to the ferroelectric storage medium, wherein the transducer includes a substrate and a probe coupled to the substrate, wherein the probe includes a conductive element and a bilayer structure causing the probe to bend toward the ferroelectric storage medium.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: November 4, 2008
    Assignee: Seagate Technology LLC
    Inventors: Mark Ian Lutwyche, Earl Chrzaszcz Johns, Martin Gerard Forrester, Mark David Bedillion, Andreas Karl Roelofs, Joachim Walter Ahner, Robert Earl Rottmayer, Andre Y L Liem, Edward S. Skalko, Xueshi Yang
  • Publication number: 20080259779
    Abstract: An apparatus includes a storage medium, and a transducer positioned adjacent to the storage medium, wherein the transducer includes a first electrode and a second electrode, with the width of the first electrode being less than the width of the second electrode. A method including: applying a first voltage to a transducer to write data to a storage medium, and applying a second voltage to the transducer to read data from the storage medium, wherein the magnitude of the first voltage is greater than the magnitude of the second voltage.
    Type: Application
    Filed: April 23, 2007
    Publication date: October 23, 2008
    Applicant: Seagate Technology LLC
    Inventors: Mark David Bedillion, Andreas Karl Roelofs, Earl Chrzaszcz Johns, Yongjun Zhao, Edward Stephen Skalko
  • Publication number: 20080089211
    Abstract: An apparatus comprises a storage medium, a head substrate, wherein the storage medium and the head substrate are separated by a gap, a plurality of electrodes separated from each other, and a support structure positioned in the gap for supporting some of the electrodes. An apparatus comprising a storage medium, a head substrate, wherein the storage medium and the head substrate are separated by a gap, a plurality of posts positioned in the gap, a layer of low friction material positioned on one end of each of the posts, is also described.
    Type: Application
    Filed: October 11, 2006
    Publication date: April 17, 2008
    Applicant: Seagate Technology LLC
    Inventors: Patrick Breckow Chu, Mark David Bedillion, Earl Chrzaszcz Johns, Mark Ian Lutwyche
  • Publication number: 20070253314
    Abstract: An apparatus comprises a storage media having a surface coated with a lubricant, and a plurality of probes having tips contacting the lubricant, wherein the probes are coated with one of a fluorocarbon, perfluoropolyether, polytetrafluoroethylene, fluorinated ethylene propylene, polyethylene, or a hydrocarbon polymer.
    Type: Application
    Filed: May 1, 2006
    Publication date: November 1, 2007
    Applicant: Seagate Technology LLC
    Inventors: Paul Max Jones, Earl Chrzaszcz Johns, James Dillon Kiely, Lei Li, Yiao-Tee Hsia
  • Patent number: 6865057
    Abstract: A longitudinal recording head for use with magnetic recording media includes a gapless yoke with a cavity that expels magnetic flux onto a small area of the magnetic recording medium. Longitudinal recording heads incorporating the gapless yoke and flux cavity are capable of improved recording densities.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: March 8, 2005
    Assignee: Seagate Technology LLC
    Inventors: Sakhrat Khizroev, Dmitri Litvinov, Earl Chrzaszcz Johns
  • Publication number: 20040240107
    Abstract: A longitudinal recording head for use with magnetic recording media includes a gapless yoke with a cavity that expels magnetic flux onto a small area of the magnetic recording medium. Longitudinal recording heads incorporating the gapless yoke and flux cavity are capable of improved recording densities.
    Type: Application
    Filed: January 5, 2001
    Publication date: December 2, 2004
    Inventors: Sakhrat Khizroev, Dmitri Litvinov, Earl Chrzaszcz Johns
  • Publication number: 20040203256
    Abstract: A method of fabricating a device comprising: depositing a self-assembled monolayer on a substrate; depositing a layer of surfactant coated nanostructured materials onto the self-assembled monolayer; and irradiating the layer of surfactant coated nanostructured materials and the self-assembled monolayer to bond nanostructured materials in the layer of surfactant coated nanostructured materials to the self-assembled monolayer. The method can be used to produce immobilized layers and/or patterned layers of nanostructured materials. Devices fabricated according to the method are also included.
    Type: Application
    Filed: April 8, 2003
    Publication date: October 14, 2004
    Applicant: Seagate Technology LLC
    Inventors: Xiaomin Yang, Chao Liu, Earl Chrzaszcz Johns, Paul Max Jones
  • Publication number: 20010024341
    Abstract: A longitudinal recording head for use with magnetic recording media includes a gapless yoke with a cavity that expels magnetic flux onto a small area of the magnetic recording medium. Longitudinal recording heads incorporating the gapless yoke and flux cavity are capable of improved recording densities.
    Type: Application
    Filed: January 5, 2001
    Publication date: September 27, 2001
    Inventors: Sakhrat Khizroev, Dmitri Litvinov, Earl Chrzaszcz Johns