Patents by Inventor Venkateswara Inturi

Venkateswara Inturi 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: 11031032
    Abstract: A method of forming a magnetic element. The method includes cooling a substrate to a cryogenic temperature. The method further includes depositing a magnetic layer with a grain refining dopant on the substrate. The magnetic layer with the grain refining dopant deposited on the substrate cooled to the cryogenic temperature has a magnetic moment that is greater than 2 Tesla and very soft magnetic properties.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: June 8, 2021
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Venkateswara Inturi, Joseph Mundenar
  • Patent number: 10026423
    Abstract: A method of forming a magnetic recording head. The method includes depositing a sacrificial metal alloy layer, which is wet etchable and has a moderate mill resistance, over a substrate. The method also includes depositing a write pole layer over the sacrificial metal alloy layer. The write pole layer has a bottom surface and a top surface opposite the bottom surface. A portion of the bottom surface of the write pole layer is in contact with the sacrificial metal alloy layer.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: July 17, 2018
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Venkateswara Inturi, Steven C. Riemer, Dong Lin, Joseph Mundenar, Alexander Bramer
  • Patent number: 9263066
    Abstract: A data writer can be configured with at least a write pole separated from a front shield by a non-magnetic gap layer. The front shield may consist of at least a seed layer and a shielding layer with the shielding layer having an easy axis coercivity along a first direction of 4 Oe or more and a hard axis coercivity along a second direction of 0.5 Oe or more.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: February 16, 2016
    Assignee: Seagate Technology LLC
    Inventors: Venkateswara Inturi, Lei Lu, Joseph M. Mundenar, Huaqing Yin
  • Patent number: 9082421
    Abstract: An apparatus disclosed herein comprises a reader structure having a sensor stack and a bottom shield having a first end and a second end on opposite sides of the bottom shield in a cross-track direction, wherein the first end is formed by intersection of arcs.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: July 14, 2015
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Michael Kautzky, Venkateswara Inturi
  • Publication number: 20150062756
    Abstract: An apparatus disclosed herein comprises a reader structure having a sensor stack and a bottom shield having a first end and a second end on opposite sides of the bottom shield in a cross-track direction, wherein the first end is formed by intersection of arcs.
    Type: Application
    Filed: August 29, 2013
    Publication date: March 5, 2015
    Applicant: Seagate Technology LLC
    Inventors: Michael Kautzky, Venkateswara Inturi
  • Publication number: 20130288078
    Abstract: An apparatus and associated method may provide a magnetic element can have a thin film deposited on a cryogenic substrate. The thin film can additionally be stress tuned ,during primary annealing to reduce unwanted stress anisotropy. The thin film can be configured to have near zero internal stress after the primary annealing.
    Type: Application
    Filed: April 30, 2012
    Publication date: October 31, 2013
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Meng Zhu, Eliot Lewis Cuthbert Estrine, Wei Tian, Venkateswara Inturi, Michael C. Kautzky
  • 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
  • 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: 5919580
    Abstract: A spin valve device containing a chromium or chromium and aluminum antiferromagnetic layer, which acts as a pinning layer for a magnetoresistive ferromagnetic layer, by exchange coupling. The antiferromagnetic layer has a tunable Neel temperature and anisotropy constant, and is corrosion resistant.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: July 6, 1999
    Assignee: University of Alabama
    Inventors: John A Barnard, Timothy J. Klemmer, Venkateswara Inturi