Patents by Inventor Ladislav Rudolf Pust

Ladislav Rudolf Pust 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: 8208221
    Abstract: A slider having a slider body is provided. An electrical connection is coupled to the slider body. A first actuator is coupled to the electrical connection and adapted to displace a first portion of the slider body. Additionally, a second actuator is coupled to the electrical connection and adapted to displace a second portion of the slider body.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: June 26, 2012
    Assignee: Seagate Technology LLC
    Inventors: Daniel Paul Burbank, Ladislav Rudolf Pust, Eric Leroy Granstrom
  • Publication number: 20100321828
    Abstract: A slider having a slider body is provided. An electrical connection is coupled to the slider body. A first actuator is coupled to the electrical connection and adapted to displace a first portion of the slider body. Additionally, a second actuator is coupled to the electrical connection and adapted to displace a second portion of the slider body.
    Type: Application
    Filed: August 31, 2010
    Publication date: December 23, 2010
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Daniel Paul Burbank, Ladislav Rudolf Pust, Eric Leroy Granstrom
  • Patent number: 7808746
    Abstract: A slider having a slider body is provided. An electrical connection is coupled to the slider body. A first actuator is coupled to the electrical connection and adapted to displace a first portion of the slider body. Additionally, a second heater is coupled to the electrical connection and adapted to displace a second portion of the slider body.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: October 5, 2010
    Assignee: Seagate Technology LLC
    Inventors: Daniel Paul Burbank, Ladislav Rudolf Pust, Eric Leroy Granstrom
  • Patent number: 7092208
    Abstract: A magnetic head having an air bearing surface is used to reduce thermal pole tip protrusion and recession. The magnetic head includes a substrate and a data transducer positioned upon the substrate adjacent the air bearing surface. The data transducer is comprised of a plurality of metallic layers. A compensation structure is positioned adjacent to at least one of the plurality of metallic layers, is exposed at the air bearing surface or recessed at the ABS and extends substantially perpendicular from the air bearing surface. The compensation structure is formed of a material having a coefficient of thermal expansion less than a coefficient of thermal expansion of a material forming the substrate.
    Type: Grant
    Filed: January 28, 2003
    Date of Patent: August 15, 2006
    Assignee: Seagate Technology LLC
    Inventors: Jie Zou, Jason Bryce Gadbois, Declan Macken, Michael Kautzky, David Christopher Seets, Ladislav Rudolf Pust
  • Patent number: 7082016
    Abstract: A reader formed in a data transducer includes a first shield, a read gap, a second shield, a maanetic compensation layer, and a non-magnetic spacer layer. The first shield is formed of a multilayer comprised of a layer of a first material. The second shield is spaced apart from the first shield by the read gap. The magnetic compensation layer is formed in the first shield and has a coefficient of thermal expansion of less than the coefficient of thermal expansion of the first material. The non-magnetic spacer layer separates the first material layer and the compensation layer of the first shield.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: July 25, 2006
    Assignee: Seagate Technology LLC
    Inventors: Ladislav Rudolf Pust, Mark Thomas Kief, Ibro Tabakovic, James F. Dolejsi, Vee Sochivy Kong
  • Patent number: 7031122
    Abstract: The invention offers a magnetic recording head that includes a substrate, a read sensor, and at least one shield positioned adjacent to the read sensor, wherein the shield contributes to thermal pole-tip recession in an amount less than about 0.5 ?/° C. The invention also offers a magnetic recording head that includes a substrate having a coefficient of thermal expansion, a read sensor, and at least one shield, positioned adjacent to the read sensor, that has a coefficient of thermal expansion within ±2×10?6/° C. of the coefficient of thermal expansion of the substrate. The invention further offers a magnetic recording head that includes a substrate, a read sensor, and at least one shield, positioned adjacent the read sensor, with a thickness of from about 0.05 ?m to about 0.5 ?m.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: April 18, 2006
    Assignee: Seagate Technology LLC
    Inventors: Ladislav Rudolf Pust, Declan Macken, Mark Thomas Kief, Yifan Zhang, Venkateswara Inturi, Richard Paul Larson
  • Patent number: 6975472
    Abstract: A head with a heating element and control regime therefor is disclosed. In embodiments described, the control regime or controller energizes the heater or heating element to provide intermittent heating between read or write operations to optimize transducer temperature and operating characteristics or parameters of a data storage device. In particular, in one embodiment described, the controller provides a low amplitude signal or current to provide low grade thermal heating. In another embodiment, the controller provides a high amplitude signal or current to preheat the transducer portion for write operations.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: December 13, 2005
    Assignee: Seagate Technology LLC
    Inventors: Lance E. Stover, Jane Katherine Gates, Ladislav Rudolf Pust, John L. Brand
  • Patent number: 6950280
    Abstract: A magnetic head having a heat dissipating structure formed of a thermally conductive material that includes a top heat transfer sheet overlaying a second portion of a writer conducting coil; a bottom heat transfer sheet formed in a back region of a bottom pole layer, displaced from a back side of a bottom writer pole, and underlaying the second portion of the writer conducting coil; a first side heat transfer member formed in a coil layer adjacent a first side of the writer conducting coil; and/or a second side heat transfer member formed in the coil layer adjacent a second side of the writer conducting coil.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: September 27, 2005
    Assignee: Seagate Technology LLC
    Inventors: Christopher James Thompson Rea, Ladislav Rudolf Pust, Michael Christopher Kautzky, Mallika Kamarajugadda
  • Patent number: 6876526
    Abstract: A transducing head formed upon a slider has an air bearing surface, a top magnetic pole, a shared magnetic pole, a write via, and a shared pole extension. The write via is positioned opposite the air bearing surface and extends between the top magnetic pole and the shared magnetic pole. The shared pole extension is positioned adjacent the air bearing surface and extends from the shared magnetic pole toward the top magnetic pole. The shared pole extension is separated from the top magnetic pole by a write gap. The shared pole extension is formed of a multilayer having a layer of a first material having a high magnetic moment and a layer a second material having a coefficient of thermal expansion substantially similar to a coefficient of thermal expansion of the slider material.
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: April 5, 2005
    Assignee: Seagate Technology LLC
    Inventors: Declan Macken, Christopher John Cote, Ladislav Rudolf Pust, Vee Sochivy Kong
  • Publication number: 20040264051
    Abstract: A slider including a trench fabricated in an overcoat layer of a transducer portion of the slider is disclosed. The trench forms a recessed trailing edge of the slider. The trailing edge is recessed a dimension defined by an etched depth of the trench to define a close point of the slider within desired operational parameters for read and/or write operations.
    Type: Application
    Filed: June 27, 2003
    Publication date: December 30, 2004
    Applicant: Seagate Technology LLC
    Inventors: Michael John Gronseth, Ladislav Rudolf Pust
  • Patent number: 6813118
    Abstract: A transducing head formed upon a slider has a transducer, an electrical contact layer, a stud electrically connected to the contact layer, and a bond pad electrically connected to the stud. The electrical contact layer is electrically connected to the transducer. The stud is formed of a material having a coefficient of thermal expansion less than about 1.3 times a coefficient of thermal expansion of a slider material forming the slider. The bond pad has a metallic underlayer and a top layer. The metallic underlayer is formed of a material having a coefficient of thermal expansion less than about 1.1 times the coefficient of thermal expansion of the slider material.
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: November 2, 2004
    Assignee: Seagate Technology LLC
    Inventors: Ladislav Rudolf Pust, Declan Macken, Tracy C. Baresh, Ibro Tabakovic, Venkateswara R. Inturi
  • Patent number: 6754050
    Abstract: A data transducer having an air bearing surface is used to reduce thermal pole tip protrusion. The data transducer includes a write via and a top pole having one end adjacent the air bearing surface and an opposite end contacting the write via. The yoke extends from the write via in two directions towards the air bearing surface and is recessed from the air bearing surface. The yoke has a first end and a second end. The data transducer includes a shared pole adjacent the air bearing surface and co-planar to the yoke wherein a gap is located between the shared pole and the yoke. A shared pole extension extends between the shared pole and the first and second ends of the yoke.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: June 22, 2004
    Assignee: Seagate Technology LLC
    Inventors: Vee Sochivy Kong, Declan Macken, Huy Xuan Pham, Ladislav Rudolf Pust
  • Publication number: 20040080869
    Abstract: A magnetic head having a heat dissipating structure formed of a thermally conductive material that includes a top heat transfer sheet overlaying a second portion of a writer conducting coil; a bottom heat transfer sheet formed in a back region of a bottom pole layer, displaced from a back side of a bottom writer pole, and underlaying the second portion of the writer conducting coil; a first side heat transfer member formed in a coil layer adjacent a first side of the writer conducting coil; and/or a second side heat transfer member formed in the coil layer adjacent a second side of the writer conducting coil.
    Type: Application
    Filed: March 6, 2003
    Publication date: April 29, 2004
    Inventors: Christopher James Thompson Rea, Ladislav Rudolf Pust, Michael Christopher Kautzky, Mallika Kamarajugadda
  • Publication number: 20040012894
    Abstract: A magnetic head includes a substrate and a data transducer positioned upon the substrate. The data transducer includes a reader comprised of a top shield and a bottom shield characterized by at least one of the shields including a layer for compensating a thermally-caused expansion of the reader.
    Type: Application
    Filed: February 27, 2003
    Publication date: January 22, 2004
    Applicant: Seagate Technology LLC
    Inventors: Ladislav Rudolf Pust, Mark Thomas Kief, Ibro Tabakovic, James F. Dolejsi, Vee Sochivy Kong
  • Publication number: 20040008451
    Abstract: A magnetic head having an air bearing surface is used to reduce thermal pole tip protrusion and recession. The magnetic head includes a substrate and a data transducer positioned upon the substrate adjacent the air bearing surface. The data transducer is comprised of a plurality of metallic layers. A compensation structure is positioned adjacent to at least one of the plurality of metallic layers, is exposed at the air bearing surface or recessed at the ABS and extends substantially perpendicular from the air bearing surface. The compensation structure is formed of a material having a coefficient of thermal expansion less than a coefficient of thermal expansion of a material forming the substrate.
    Type: Application
    Filed: January 28, 2003
    Publication date: January 15, 2004
    Applicant: Seagate Technology LLC
    Inventors: Jie Zou, Jason Bryce Gadbois, Declan Macken, Michael Kautzky, David Christopher Seets, Ladislav Rudolf Pust
  • Publication number: 20030231435
    Abstract: A data transducer having an air bearing surface is used to reduce thermal pole tip protrusion. The data transducer includes a write via and a top pole having one end adjacent the air bearing surface and an opposite end contacting the write via. The yoke extends from the write via in two directions towards the air bearing surface and is recessed from the air bearing surface. The yoke has a first end and a second end. The data transducer includes a shared pole adjacent the air bearing surface and co-planar to the yoke wherein a gap is located between the shared pole and the yoke. A shared pole extension extends between the shared pole and the first and second ends of the yoke.
    Type: Application
    Filed: December 18, 2002
    Publication date: December 18, 2003
    Applicant: Seagate Technology LLC
    Inventors: Vee Sochivy Kong, Declan Macken, Huy Xuan Pham, Ladislav Rudolf Pust
  • Publication number: 20030231425
    Abstract: A transducing head formed upon a slider has an air bearing surface, a top magnetic pole, a shared magnetic pole, a write via, and a shared pole extension. The write via is positioned opposite the air bearing surface and extends between the top magnetic pole and the shared magnetic pole. The shared pole extension is positioned adjacent the air bearing surface and extends from the shared magnetic pole toward the top magnetic pole. The shared pole extension is separated from the top magnetic pole by a write gap. The shared pole extension is formed of a multilayer having a layer of a first material having a high magnetic moment and a layer a second material having a coefficient of thermal expansion substantially similar to a coefficient of thermal expansion of the slider material.
    Type: Application
    Filed: September 11, 2002
    Publication date: December 18, 2003
    Applicant: Seagate Technology LLC
    Inventors: Declan Macken, Christopher John Cote, Ladislav Rudolf Pust, Vee Sochivy Kong
  • Publication number: 20030128469
    Abstract: A transducing head formed upon a slider has a transducer, an electrical contact layer, a stud electrically connected to the contact layer, and a bond pad electrically connected to the stud. The electrical contact layer is electrically connected to the transducer. The stud is formed of a material having a coefficient of thermal expansion less than about 1.3 times a coefficient of thermal expansion of a slider material forming the slider. The bond pad has a metallic underlayer and a top layer. The metallic underlayer is formed of a material having a coefficient of thermal expansion less than about 1.1 times the coefficient of thermal expansion of the slider material.
    Type: Application
    Filed: October 22, 2002
    Publication date: July 10, 2003
    Applicant: Seagate Technology, LLC
    Inventors: Ladislav Rudolf Pust, Declan Macken, Tracy C. Baresh, Ibro Tabakovic, Venkateswara R. Inturi
  • Publication number: 20030081359
    Abstract: The invention offers a magnetic recording head that includes a substrate, a read sensor, and at least on shield positioned adjacent to the read sensor, wherein the shield contributes to thermal pole-tip recession in an amount less than about 0.4Å/° C. The invention also offers a magnetic recording head that includes a substrate having a coefficient of thermal expansion, a read sensor, and at least one shield, positioned adjacent to the read sensor, that has a coefficient of thermal expansion within ±2×10−6/° C. of the coefficient of thermal expansion of the substrate. The invention further offers a magnetic recording head that includes a substrate, a read sensor, and at least one shield, with a thickness of from about 0.05 &mgr;m to about 0.5 &mgr;m positioned adjacent the read sensor.
    Type: Application
    Filed: July 26, 2002
    Publication date: May 1, 2003
    Applicant: Seagate Technology LLC
    Inventors: Ladislav Rudolf Pust, Declan Macken, Mark Thomas Kief, Yifan Zhang, Venkateswara Inturi, Richard Paul Larson
  • Patent number: 6364743
    Abstract: A lapping monitor resistor for thin film transducers that rely upon an insulation layer to define a critical dimension includes a first conductive layer having a plurality of conductive blocks, an insulating layer formed over at least a portion of the first conductive layer, and a second conductive layer having a plurality of conductive blocks. The second conductive layer is electrically connected to the first conductive layer over portions where the insulating layer is not formed. A method of controlling lapping depth involves use of the lapping monitor resistor.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: April 2, 2002
    Assignee: Seagate Technology LLC
    Inventors: Ladislav Rudolf Pust, Brenda Anne Everitt