Patents by Inventor Kirill A. Rivkin

Kirill A. Rivkin 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: 9368133
    Abstract: A data writer may be configured with at least a write pole and a continuous coil with the continuous coil having a first turn with a first cross-sectional shape and a second turn with a second cross-sectional shape that differs from the first cross-sectional shape. The second turn may be positioned proximal a leading edge of the write pole and an air bearing surface while the first turn is positioned distal the air bearing surface.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: June 14, 2016
    Assignee: Seagate Technology LLC
    Inventors: Kirill Rivkin, Mourad Benakli, Huaqing Yin
  • Publication number: 20160118064
    Abstract: Implementations disclosed and claimed herein include a method of write head core located in a slider, the write head core comprising a first end operative to serve as a write pole, a second end operative to serve as a return pole, wherein the first end comprises a substantially smaller cross-sectional area than the second end, and wherein the write head core has a substantially smooth curvature.
    Type: Application
    Filed: December 28, 2015
    Publication date: April 28, 2016
    Inventors: Kirill Rivkin, Ned Tabat, Mourad Benakli, Michael A. Seigler
  • Patent number: 9286918
    Abstract: A write head having a main pole having a pole tip proximate an air bearing surface (ABS), the main pole having a leading side and a trailing side. The write head also includes a yoke having a yoke tip recessed from the ABS, and a helical coil wrapped around the main pole and the yoke. The helical coil has a first turn with its front edge at least substantially aligned with the yoke tip.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: March 15, 2016
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Jianhua Xue, Jiaoming Qiu, Kirill Rivkin, Huaqing Yin, John Wolf, Yonghua Chen
  • Patent number: 9286916
    Abstract: A data writing device may be constructed and operated with at least a data writer that has at least a write pole and a magnetic feature. A controller may selectively activate the magnetic feature to magnetically oscillate and produce a radio frequency signal proximal the write pole on an air bearing surface (ABS).
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: March 15, 2016
    Assignee: Seagate Technology LLC
    Inventors: Kirill Rivkin, Mourad Benakli, Huaqing Yin
  • Publication number: 20160064018
    Abstract: A write head having a main pole having a pole tip proximate an air bearing surface (ABS), the main pole having a leading side and a trailing side. The write head also includes a yoke having a yoke tip recessed from the ABS, and a helical coil wrapped around the main pole and the yoke. The helical coil has a first turn with its front edge at least substantially aligned with the yoke tip.
    Type: Application
    Filed: July 14, 2015
    Publication date: March 3, 2016
    Inventors: Jianhua Xue, Jiaoming Qiu, Kirill Rivkin, Huaqing Yin, John Wolf, Yonghua Chen
  • Publication number: 20160064015
    Abstract: A data writing device may be constructed and operated with at least a data writer that has at least a write pole and a magnetic feature. A controller may selectively activate the magnetic feature to magnetically oscillate and produce a radio frequency signal proximal the write pole on an air bearing surface (ABS).
    Type: Application
    Filed: August 26, 2014
    Publication date: March 3, 2016
    Inventors: Kirill Rivkin, Mourad Benakli, Huaqing Yin
  • Patent number: 9251814
    Abstract: Implementations disclosed and claimed herein provide a write head core located in a slider, the write head core comprising a first end operative to serve as a write pole, a second end operative to serve as a return pole, wherein the first end comprises a substantially smaller cross-sectional area than the second end, and wherein the write head core has a substantially smooth curvature.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: February 2, 2016
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Kirill Rivkin, Ned Tabat, Mourad Benakli, Michael A. Seigler
  • Publication number: 20160019916
    Abstract: A data writer may be configured with at least a write pole and a continuous coil with the continuous coil having a first turn with a first cross-sectional shape and a second turn with a second cross-sectional shape that differs from the first cross-sectional shape. The second turn may be positioned proximal a leading edge of the write pole and an air bearing surface while the first turn is positioned distal the air bearing surface.
    Type: Application
    Filed: July 16, 2015
    Publication date: January 21, 2016
    Inventors: Kirill Rivkin, Mourad Benakli, Huaqing Yin
  • Patent number: 9159340
    Abstract: A write head having a main pole having a pole tip, the main pole having a leading side and a trailing side; and a coil structure around the main pole, the coil structure having no more than two active turns on the trailing side. A non-active, or dummy turn, may be present.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: October 13, 2015
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Jiaoming Qiu, Jianhua Xue, Kevin Heim, Kirill Rivkin, Huaqing Yin, John Wolf, Yonghua Chen
  • Patent number: 9153254
    Abstract: A data writer may be configured with at least a write pole and a continuous coil with the continuous coil having a first turn with a first cross-sectional shape and a second turn with a second cross-sectional shape that differs from the first cross-sectional shape. The second turn may be positioned proximal a leading edge of the write pole and an air bearing surface while the first turn is positioned distal the air bearing surface.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: October 6, 2015
    Assignee: Seagate Technology LLC
    Inventors: Kirill Rivkin, Mourad Benakli, Huaqing Yin
  • Patent number: 9153257
    Abstract: A write head having reduced dimensions. In one implementation, the write head has a main pole having a leading side and a trailing side, a leading yoke on the leading side of the main pole, and a coil wrapped around the main pole and the leading yoke. The coil on the leading side and the leading yoke having a distance of no greater than 300 nm therebetween, and the coil on the trailing side and the main pole having a distance of no greater than 350 nm therebetween. In an alternate implementation, the write head has a trailing yoke, with the coil on the trailing side and the trailing yoke having a distance of no greater than 350 nm therebetween.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: October 6, 2015
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: John M. Wolf, Jianhua Xue, Kevin Heim, Kirill Rivkin, Huaqing Yin
  • Patent number: 9082427
    Abstract: A write head having reduced dimensions. In one implementation, the write head has a main pole having a leading side and a trailing side, a leading yoke on the leading side of the main pole, and a coil wrapped around the main pole and the leading yoke. The coil on the leading side and the leading yoke having a distance of no greater than 300 nm therebetween, and the coil on the trailing side and the main pole having a distance of no greater than 350 nm therebetween. In an alternate implementation, the write head has a trailing yoke, with the coil on the trailing side and the trailing yoke having a distance of no greater than 350 nm therebetween.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: July 14, 2015
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: John M. Wolf, Jianhua Xue, Kevin Heim, Kirill Rivkin, Huaqing Yin
  • Patent number: 9082428
    Abstract: A write head having a main pole having a pole tip proximate an air bearing surface (ABS), the main pole having a leading side and a trailing side. The write head also includes a yoke having a yoke tip recessed from the ABS, and a helical coil wrapped around the main pole and the yoke. The helical coil has a first turn with its front edge at least substantially aligned with the yoke tip.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: July 14, 2015
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Jianhua Xue, Jiaoming Qiu, Kirill Rivkin, Huaqing Yin, John Wolf, Yonghua Chen
  • Patent number: 9019659
    Abstract: A magnetic element can have at least a write pole configured with a write pole tip that has a tip surface oriented at a first angle with respect to an air bearing surface (ABS), a first bevel surface extending from the ABS and oriented at a second angle with respect to the ABS, and a second bevel surface extending from the ABS and oriented at a third angle with respect to the ABS. The first, second, and third angles may be configured to be different and non-orthogonal to each other.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: April 28, 2015
    Assignee: Seagate Technology LLC
    Inventors: Huaqing Yin, Wei Tian, Zhe Shen, Kirill Rivkin, Jianhua Xue
  • Publication number: 20150103439
    Abstract: A magnetic element can have at least a write pole configured with a write pole tip that has a tip surface oriented at a first angle with respect to an air bearing surface (ABS), a first bevel surface extending from the ABS and oriented at a second angle with respect to the ABS, and a second bevel surface extending from the ABS and oriented at a third angle with respect to the ABS. The first, second, and third angles may be configured to be different and non-orthogonal to each other.
    Type: Application
    Filed: October 11, 2013
    Publication date: April 16, 2015
    Applicant: Seagate Technology LLC
    Inventors: Huaqing Yin, Wei Tian, Zhe Shen, Kirill Rivkin, Jianhua Xue
  • Patent number: 8947820
    Abstract: The implementations disclosed herein provide for a storage device including a preamplifier that generates a write current pulse having a region of reduced slew rate that temporally correlates with a time when a magnetization of a write pole tip switches polarity.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: February 3, 2015
    Assignee: Seagate Technology LLC
    Inventors: Kirill Rivkin, Yanzhang Liu, Mourad Benakli, Huaqing Yin
  • Patent number: 8947807
    Abstract: A writer assembly having two separately driven write coils allows a combined write field generated by the writer assembly to be fine turned and optimized for a particular application. Two preamplifiers may be incorporated into a printed circuit board in order to separately drive the write coils. In other implementations, there may be more than two write coils and corresponding preamplifiers.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: February 3, 2015
    Assignee: Seagate Technology LLC
    Inventors: Kevin Richard Heim, Kirill A. Rivkin, Eric Meloche, John Wolf
  • Publication number: 20140269234
    Abstract: Implementations disclosed and claimed herein provide a write head core located in a slider, the write head core comprising a first end operative to serve as a write pole, a second end operative to serve as a return pole, wherein the first end comprises a substantially smaller cross-sectional area than the second end, and wherein the write head core has a substantially smooth curvature.
    Type: Application
    Filed: December 30, 2013
    Publication date: September 18, 2014
    Applicant: Seagate Technology LLC
    Inventors: Kirill Rivkin, Ned Tabat, Mourad Benakli, Michael A. Seigler
  • Publication number: 20140177083
    Abstract: A writer assembly having two separately driven write coils allows a combined write field generated by the writer assembly to be fine turned and optimized for a particular application. Two preamplifiers may be incorporated into a printed circuit board in order to separately drive the write coils. In other implementations, there may be more than two write coils and corresponding preamplifiers.
    Type: Application
    Filed: December 20, 2012
    Publication date: June 26, 2014
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Kevin Richard Heim, Kirill A. Rivkin, Eric Meloche, John Wolf
  • Patent number: 8582237
    Abstract: A selectively magnetic insert that is capable of enhancing magnetic writing, such as in use as a data transducing head. In accordance with various embodiments, a write pole is in contact with a selectively magnetic insert that decouples the write pole from at least one adjacent shield in response a powered operation.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: November 12, 2013
    Assignee: Seagate Technology LLC
    Inventors: James Gary Wessel, Mourad Benakli, Raul Horacio Andruet, Kirill A. Rivkin, Sarbeswar Sahoo