Patents by Inventor Thomas William Clinton
Thomas William Clinton 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: 20110204020Abstract: Multilayer carbon nanotube capacitors, and methods and printable compositions for manufacturing multilayer carbon nanotubes (CNTs) are disclosed. A first capacitor embodiment comprises: a first conductor; a plurality of fixed CNTs in an ionic liquid, each fixed CNT comprising a magnetic catalyst nanoparticle coupled to a carbon nanotube and further coupled to the first conductor; and a first plurality of free CNTs dispersed and moveable in the ionic liquid. Another capacitor embodiment comprises: a first conductor; a conductive nanomesh coupled to the first conductor; a first plurality of fixed CNTs in an ionic liquid and further coupled to the conductive nanomesh; and a plurality of free CNTs dispersed and moveable in the ionic liquid. Various methods of printing the CNTs and other structures, and methods of aligning and moving the CNTs using applied electric and magnetic fields, are also disclosed.Type: ApplicationFiled: February 10, 2011Publication date: August 25, 2011Applicant: NTHDEGREE TECHNOLOGIES WORLDWIDE INC.Inventors: William Johnstone Ray, Mark David Lowenthal, Neil O. Shotton, Thomas William Clinton, Theodore I. Kamins, Vera Nicholaevna Lockett
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Publication number: 20110110147Abstract: A compound magnetic data storage cell, applicable to spin-torque random access memory (ST-RAM), is disclosed. A magnetic data storage cell includes a magnetic storage element and two terminals communicatively connected to the magnetic storage element. The magnetic storage element is configured to yield any of at least three distinct magnetoresistance output levels, corresponding to stable magnetic configurations, in response to spin-momentum transfer inputs via the terminals.Type: ApplicationFiled: January 20, 2011Publication date: May 12, 2011Applicant: SEAGATE TECHNOLOGY LLCInventors: Thomas William Clinton, Werner Scholz
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Patent number: 7898849Abstract: A compound magnetic data storage cell, applicable to spin-torque random access memory (ST-RAM), is disclosed. A magnetic data storage cell includes a magnetic storage element and two terminals communicatively connected to the magnetic storage element. The magnetic storage element is configured to yield any of at least three distinct magnetoresistance output levels, corresponding to stable magnetic configurations, in response to spin-momentum transfer inputs via the terminals.Type: GrantFiled: December 5, 2007Date of Patent: March 1, 2011Assignee: Seagate Technology, LLCInventors: Thomas William Clinton, Werner Scholz
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Publication number: 20100271018Abstract: A magnetic sensor includes a flux concentrator and a transducer producing an output responsive to a change in magnetization in the flux concentrator. The flux concentrator can include first, second and third portions, wherein the third portion is between the first and second portions and the cross-sectional area of the third portion is smaller than the cross-sectional area of the first and second portions, and the transducer can produce an output responsive to a change in magnetization in the third portion of the flux concentrator.Type: ApplicationFiled: April 24, 2009Publication date: October 28, 2010Applicant: SEAGATE TECHNOLOGY LLCInventor: Thomas William Clinton
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Patent number: 7818760Abstract: A data writing system includes an array of cells for storing data and a write transducer that moves over a selected cell in the array of cells. The write transducer includes a writer producing a write magnetic field that intersects the selected cell. The write transducer also includes a plasmon resonator that is adjacent the writer. The plasmon resonator is shaped to receive lower power density radiation and to provide plasmon radiation at a higher power density to an optical spot intersecting with the selected cell. The plasmon radiation heats the selected cell above a write temperature.Type: GrantFiled: January 16, 2009Date of Patent: October 19, 2010Assignee: Seagate Technology LLCInventors: Michael Allen Seigler, Thomas William Clinton, Mark William Covington, Christophe Daniel Mihalcea
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Patent number: 7593184Abstract: An apparatus comprises a ring of magnetic material, a source for applying a setting magnetic field to the ring, and first and second electrodes for applying an electric current to the ring. A method of using the apparatus to write to a magnetic storage medium is also provided.Type: GrantFiled: October 24, 2005Date of Patent: September 22, 2009Assignee: Seagate Technology LLCInventors: Thomas William Clinton, Werner Scholz
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Publication number: 20090158305Abstract: A data writing system includes an array of cells for storing data and a write transducer that moves over a selected cell in the array of cells. The write transducer includes a writer producing a write magnetic field that intersects the selected cell. The write transducer also includes a plasmon resonator that is adjacent the writer. The plasmon resonator is shaped to receive lower power density radiation and to provide plasmon radiation at a higher power density to an optical spot intersecting with the selected cell. The plasmon radiation heats the selected cell above a write temperature.Type: ApplicationFiled: January 16, 2009Publication date: June 18, 2009Applicant: Seagate Technology, LLCInventors: Michael Allen Seigler, Thomas William Clinton, Mark William Covington, Christophe Daniel Mihalcea
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Publication number: 20090147562Abstract: A compound magnetic data storage cell, applicable to spin-torque random access memory (ST-RAM), is disclosed. A magnetic data storage cell includes a magnetic storage element and two terminals communicatively connected to the magnetic storage element. The magnetic storage element is configured to yield any of at least three distinct magnetoresistance output levels, corresponding to stable magnetic configurations, in response to spin-momentum transfer inputs via the terminals.Type: ApplicationFiled: December 5, 2007Publication date: June 11, 2009Applicant: Seagate Technology LLCInventors: Thomas William Clinton, Werner Scholz
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Publication number: 20090109570Abstract: A magnetic device includes a write element having a write element tip that defines a medium confronting surface. The write element is operable to generate a first field at the medium confronting surface. A conductor is proximate the write element tip and first and second conductive leads are connected to the conductor and configured to deliver a current to the conductor to generate a second field that augments the first field. First and second side elements are disposed on opposite sides of the write element tip in a cross-track direction at the medium confronting surface. At least a portion of the first conductive lead is disposed adjacent the first side element on a side opposite the medium confronting surface, and at least a portion of the second conductive lead is disposed adjacent the second side element on a side opposite the medium confronting surface.Type: ApplicationFiled: October 26, 2007Publication date: April 30, 2009Applicant: SEAGATE TECHNOLOGY LLCInventors: Werner Scholz, Thomas William Clinton, Sharat Batra, Mark Thomas Kief, Eric S. Linville, Wei Peng, Kenneth A. Medlin
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Publication number: 20090073858Abstract: An apparatus includes a waveguide having an end adjacent to an air bearing surface, first and second poles positioned on opposite sides of the waveguide, and wherein the first pole includes a first portion spaced from the waveguide and a second portion extending from the first portion to the air bearing surface, with the second portion being structured such that an end of the second portion is closer to the waveguide than the first portion.Type: ApplicationFiled: September 19, 2007Publication date: March 19, 2009Applicant: Seagate Technology LLCInventors: Michael Allen Seigler, Sharat Batra, Robert Earl Rottmayer, Hua Zhou, Thomas William Clinton, Jie Gong
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Patent number: 7500255Abstract: A data writing system includes an array of cells for storing data and a write transducer that moves over a selected cell in the array of cells. The write transducer includes a writer producing a write magnetic field that intersects the selected cell. The write transducer also includes a plasmon resonator that is adjacent the writer. The plasmon resonator is shaped to receive lower power density radiation and to provide plasmon radiation at a higher power density to an optical spot intersecting with the selected cell. The plasmon radiation heats the selected cell above a write temperature.Type: GrantFiled: June 29, 2004Date of Patent: March 3, 2009Assignee: Seagate Technology LLCInventors: Michael Allen Seigler, Thomas William Clinton, Mark William Covington, Christophe Daniel Mihalcea
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Publication number: 20080112087Abstract: An apparatus comprises a write pole, a return pole, a wire positioned between the write pole and the return pole, a first free layer, and a first interlayer positioned between the write pole and the first free layer.Type: ApplicationFiled: November 14, 2006Publication date: May 15, 2008Applicant: Seagate Technology LLCInventors: Thomas William Clinton, Sharat Batra, Shehzaad Kaka, Werner Scholz
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Patent number: 7212367Abstract: A magnetic recording head comprises a write pole having a tip adjacent to an air bearing surface of the recording head, a return pole magnetically coupled to the write pole, a conductor positioned adjacent to an edge of the write pole at the air bearing surface, a first conductive heat sink connected to the conductor, and a second conductive heat sink connected to the conductor, wherein at least a portion of each of the first and second conductive heat sinks is positioned adjacent to the air bearing surface and wherein each of the first and second conductive heat sinks includes a structure for augmenting confinement of a magnetic write field adjacent to the write pole. Magnetic storage devices that include the magnetic recording head are also included.Type: GrantFiled: June 16, 2004Date of Patent: May 1, 2007Assignee: Seagate Technology LLCInventors: Thomas William Clinton, Petrus Antonius van der Heijden, Michael Allen Seigler, Mark William Covington, Werner Scholz, Sharat Batra
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Patent number: 7149055Abstract: A magnetic recording head comprises a write pole having a tip adjacent to an air bearing surface of the recording head, a return pole magnetically coupled to the write pole, a conductor positioned adjacent to at least one edge of the write pole at the air bearing surface for carrying current to produce a magnetic field that saturates at least a portion of the write pole and augments a write field, a first conductive heat sink connected to a first end of the conductor, and a second conductive heat sink connected to a second end of the conductor. Disc drives that include the recording head are also included.Type: GrantFiled: December 15, 2003Date of Patent: December 12, 2006Assignee: Seagate Technology LLCInventors: Thomas William Clinton, Petrus Antonius van der Heijden, Michael Allen Seigler, Jonathan D. Hannay
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Patent number: 6903891Abstract: A write driver for use with a magnetic recording head includes a photoconductive switch that is positioned adjacent a magnetic recording head for switching current waveforms. Both light and a DC voltage are applied to the photoconductive switch to switch the applied current waveforms. The write driver further includes means for writing to a storage medium in response to current waveforms switched by the photoconductive switch. The write driver may also include a suspension that supports at least one photoconductive switch, DC conductors for supplying a DC voltage, means for supplying light, and recording head means for writing to a storage medium.Type: GrantFiled: November 24, 2003Date of Patent: June 7, 2005Assignee: Seagate Technology LLCInventors: Thomas McLendon Crawford, Mark William Covington, Thomas William Clinton
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Publication number: 20040169950Abstract: A magnetic recording head comprises a write pole having a tip adjacent to an air bearing surface of the recording head, a return pole magnetically coupled to the write pole, a conductor positioned adjacent to at least one edge of the write pole at the air bearing surface for carrying current to produce a magnetic field that saturates at least a portion of the write pole and augments a write field, a first conductive heat sink connected to a first end of the conductor, and a second conductive heat sink connected to a second end of the conductor. Disc drives that include the recording head are also included.Type: ApplicationFiled: December 15, 2003Publication date: September 2, 2004Applicant: Seagate Technology LLCInventors: Thomas William Clinton, Petrus Antonius van der Heijden, Michael Allen Seigler, Jonathan D. Hannay
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Patent number: 6665136Abstract: A method of recording information bits in a magnetic storage medium, the method comprising positioning a first conductor adjacent to a magnetic recording medium, the conductor having a width and a length, wherein a distance between the first conductor and the magnetic recording medium is less than or equal to the width and the length, and passing a first current through the conductor of sufficient magnitude to produce a magnetic field in the magnetic medium greater than one Tesla and having a magnetic field gradient in a cross track direction and a down track direction greater than 100 Oe/nm over a bit dimension. The thickness of the first conductor can be less than or equal to the distance between the first conductor and the magnetic recording medium. The current density in the conductor can be greater than 109 ampere/cm2, and the length of the conductor can be less than 100 nm. The current can be applied as one or more pulses in a predetermined clock cycle time.Type: GrantFiled: February 27, 2002Date of Patent: December 16, 2003Assignee: Seagate Technology LLCInventors: Thomas William Clinton, Michael Allen Seigler, Robert Earl Rottmayer
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Publication number: 20030127424Abstract: A method of fabricating a magnetic structure, the method including: forming a first magnetic structure having a first side and a second side, and using a focused ion beam to etch only one of the first and second sides, to reduce a width of the magnetic structure. The first magnetic structure can be formed using a full-field lithographic technique such as optical lithography. The magnetic structure can include a rectangular portion with the first and second sides being opposite sides of the rectangular portion. The focused ion beam can comprise a gallium ion beam. Magnetic recording heads having a magnetic structure fabricated according to the method are also included.Type: ApplicationFiled: September 13, 2002Publication date: July 10, 2003Applicant: Seagate Technology LLCInventors: Thomas William Clinton, Giora J. Tarnopolsky, Zhenyong Z. Zhang, Petrus Antonius van der Heijden
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Publication number: 20030043490Abstract: A method of recording information bits in a magnetic storage medium, the method comprising positioning a first conductor adjacent to a magnetic recording medium, the conductor having a width and a length, wherein a distance between the first conductor and the magnetic recording medium is less than or equal to the width and the length, and passing a first current through the conductor of sufficient magnitude to produce a magnetic field in the magnetic medium greater than one Tesla and having a magnetic field gradient in a cross track direction and a down track direction greater than 100 Oe/nm over a bit dimension. The thickness of the first conductor can be less than or equal to the distance between the first conductor and the magnetic recording medium. The current density in the conductor can be greater than 109 ampere/cm2, and the length of the conductor can be less than 100 nm. The current can be applied as one or more pulses in a predetermined clock cycle time.Type: ApplicationFiled: February 27, 2002Publication date: March 6, 2003Inventors: Thomas William Clinton, Michael Allen Seigler, Robert Earl Rottmayer