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).
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Publication number: 20120003399Abstract: 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: ApplicationFiled: September 15, 2011Publication date: January 5, 2012Applicant: Seagate Technology LLCInventors: Lei Li, Yiao-Tee Hsia, Paul Max Jones, Earl Chrzaszcz Johns, James Dillon Kiely
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Patent number: 8053097Abstract: 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: GrantFiled: January 5, 2009Date of Patent: November 8, 2011Assignee: Seagate Technology LLCInventors: Lei Li, Yiao-Tee Hsia, Paul Max Jones, Earl Chrzaszcz Johns, James Dillion Kiely
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Patent number: 7903533Abstract: 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: GrantFiled: April 23, 2007Date of Patent: March 8, 2011Assignee: Seagate Technology LLCInventors: Mark David Bedillion, Andreas Karl Roelofs, Earl Chrzaszcz Johns, Yongjun Zhao, Edward Stephen Skalko
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Patent number: 7903532Abstract: 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: GrantFiled: October 11, 2006Date of Patent: March 8, 2011Assignee: Seagate Technology LLCInventors: Patrick Breckow Chu, Mark David Bedillion, Earl Chrzaszcz Johns, Mark Ian Lutwyche
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Publication number: 20100173176Abstract: 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: ApplicationFiled: January 5, 2009Publication date: July 8, 2010Applicant: Seagate Technology LLCInventors: Lei Li, Yiao-Tee Hsia, Paul Max Jones, Earl Chrzaszcz Johns, James Dillion Kiely
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Patent number: 7599213Abstract: 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: GrantFiled: May 1, 2006Date of Patent: October 6, 2009Assignee: Seagate Technology LLCInventors: Paul Max Jones, Earl Chrzaszcz Johns, James Dillon Kiely, Lei Li, Yiao-Tee Hsia
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Patent number: 7521137Abstract: 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: GrantFiled: January 12, 2005Date of Patent: April 21, 2009Assignee: Seagate Technology LLCInventors: Julius Kurt Hohlfeld, Yukiko Kubota, Dieter Klaus Weller, Stanko Radvan Brankovic, Xiaomin Yang, Earl Chrzaszcz Johns
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Publication number: 20090009906Abstract: 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: ApplicationFiled: July 2, 2007Publication date: January 8, 2009Applicant: Seagate Technology LLCInventors: Wayne Allen Bonin, Earl Chrzaszcz Johns, Yongjun Zhao
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Publication number: 20090010144Abstract: 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: ApplicationFiled: July 2, 2007Publication date: January 8, 2009Applicant: Seagate Technology LLCInventors: Earl Chrzaszcz Johns, Corina Nistorica, Martin Gerard Forrester, Jay Zhao
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Patent number: 7447140Abstract: 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: GrantFiled: July 30, 2004Date of Patent: November 4, 2008Assignee: Seagate Technology LLCInventors: 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
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Publication number: 20080259779Abstract: 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: ApplicationFiled: April 23, 2007Publication date: October 23, 2008Applicant: Seagate Technology LLCInventors: Mark David Bedillion, Andreas Karl Roelofs, Earl Chrzaszcz Johns, Yongjun Zhao, Edward Stephen Skalko
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Publication number: 20080089211Abstract: 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: ApplicationFiled: October 11, 2006Publication date: April 17, 2008Applicant: Seagate Technology LLCInventors: Patrick Breckow Chu, Mark David Bedillion, Earl Chrzaszcz Johns, Mark Ian Lutwyche
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Publication number: 20070253314Abstract: 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: ApplicationFiled: May 1, 2006Publication date: November 1, 2007Applicant: Seagate Technology LLCInventors: Paul Max Jones, Earl Chrzaszcz Johns, James Dillon Kiely, Lei Li, Yiao-Tee Hsia
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Patent number: 6865057Abstract: 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: GrantFiled: January 5, 2001Date of Patent: March 8, 2005Assignee: Seagate Technology LLCInventors: Sakhrat Khizroev, Dmitri Litvinov, Earl Chrzaszcz Johns
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Publication number: 20040240107Abstract: 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: ApplicationFiled: January 5, 2001Publication date: December 2, 2004Inventors: Sakhrat Khizroev, Dmitri Litvinov, Earl Chrzaszcz Johns
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Publication number: 20040203256Abstract: 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: ApplicationFiled: April 8, 2003Publication date: October 14, 2004Applicant: Seagate Technology LLCInventors: Xiaomin Yang, Chao Liu, Earl Chrzaszcz Johns, Paul Max Jones
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Publication number: 20010024341Abstract: 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: ApplicationFiled: January 5, 2001Publication date: September 27, 2001Inventors: Sakhrat Khizroev, Dmitri Litvinov, Earl Chrzaszcz Johns