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).
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Patent number: 9368133Abstract: 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: GrantFiled: July 16, 2015Date of Patent: June 14, 2016Assignee: Seagate Technology LLCInventors: Kirill Rivkin, Mourad Benakli, Huaqing Yin
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Publication number: 20160118064Abstract: 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: ApplicationFiled: December 28, 2015Publication date: April 28, 2016Inventors: Kirill Rivkin, Ned Tabat, Mourad Benakli, Michael A. Seigler
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Patent number: 9286918Abstract: 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: GrantFiled: July 14, 2015Date of Patent: March 15, 2016Assignee: SEAGATE TECHNOLOGY LLCInventors: Jianhua Xue, Jiaoming Qiu, Kirill Rivkin, Huaqing Yin, John Wolf, Yonghua Chen
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Patent number: 9286916Abstract: 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: GrantFiled: August 26, 2014Date of Patent: March 15, 2016Assignee: Seagate Technology LLCInventors: Kirill Rivkin, Mourad Benakli, Huaqing Yin
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Publication number: 20160064018Abstract: 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: ApplicationFiled: July 14, 2015Publication date: March 3, 2016Inventors: Jianhua Xue, Jiaoming Qiu, Kirill Rivkin, Huaqing Yin, John Wolf, Yonghua Chen
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Publication number: 20160064015Abstract: 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: ApplicationFiled: August 26, 2014Publication date: March 3, 2016Inventors: Kirill Rivkin, Mourad Benakli, Huaqing Yin
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Patent number: 9251814Abstract: 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: GrantFiled: December 30, 2013Date of Patent: February 2, 2016Assignee: SEAGATE TECHNOLOGY LLCInventors: Kirill Rivkin, Ned Tabat, Mourad Benakli, Michael A. Seigler
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Publication number: 20160019916Abstract: 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: ApplicationFiled: July 16, 2015Publication date: January 21, 2016Inventors: Kirill Rivkin, Mourad Benakli, Huaqing Yin
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Patent number: 9159340Abstract: 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: GrantFiled: August 28, 2014Date of Patent: October 13, 2015Assignee: SEAGATE TECHNOLOGY LLCInventors: Jiaoming Qiu, Jianhua Xue, Kevin Heim, Kirill Rivkin, Huaqing Yin, John Wolf, Yonghua Chen
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Patent number: 9153254Abstract: 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: GrantFiled: July 16, 2014Date of Patent: October 6, 2015Assignee: Seagate Technology LLCInventors: Kirill Rivkin, Mourad Benakli, Huaqing Yin
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Patent number: 9153257Abstract: 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: GrantFiled: July 10, 2015Date of Patent: October 6, 2015Assignee: SEAGATE TECHNOLOGY LLCInventors: John M. Wolf, Jianhua Xue, Kevin Heim, Kirill Rivkin, Huaqing Yin
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Patent number: 9082427Abstract: 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: GrantFiled: September 25, 2014Date of Patent: July 14, 2015Assignee: SEAGATE TECHNOLOGY LLCInventors: John M. Wolf, Jianhua Xue, Kevin Heim, Kirill Rivkin, Huaqing Yin
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Patent number: 9082428Abstract: 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: GrantFiled: August 28, 2014Date of Patent: July 14, 2015Assignee: SEAGATE TECHNOLOGY LLCInventors: Jianhua Xue, Jiaoming Qiu, Kirill Rivkin, Huaqing Yin, John Wolf, Yonghua Chen
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Patent number: 9019659Abstract: 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: GrantFiled: October 11, 2013Date of Patent: April 28, 2015Assignee: Seagate Technology LLCInventors: Huaqing Yin, Wei Tian, Zhe Shen, Kirill Rivkin, Jianhua Xue
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Publication number: 20150103439Abstract: 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: ApplicationFiled: October 11, 2013Publication date: April 16, 2015Applicant: Seagate Technology LLCInventors: Huaqing Yin, Wei Tian, Zhe Shen, Kirill Rivkin, Jianhua Xue
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Patent number: 8947820Abstract: 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: GrantFiled: April 30, 2014Date of Patent: February 3, 2015Assignee: Seagate Technology LLCInventors: Kirill Rivkin, Yanzhang Liu, Mourad Benakli, Huaqing Yin
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Patent number: 8947807Abstract: 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: GrantFiled: December 20, 2012Date of Patent: February 3, 2015Assignee: Seagate Technology LLCInventors: Kevin Richard Heim, Kirill A. Rivkin, Eric Meloche, John Wolf
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Publication number: 20140269234Abstract: 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: ApplicationFiled: December 30, 2013Publication date: September 18, 2014Applicant: Seagate Technology LLCInventors: Kirill Rivkin, Ned Tabat, Mourad Benakli, Michael A. Seigler
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Publication number: 20140177083Abstract: 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: ApplicationFiled: December 20, 2012Publication date: June 26, 2014Applicant: SEAGATE TECHNOLOGY LLCInventors: Kevin Richard Heim, Kirill A. Rivkin, Eric Meloche, John Wolf
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Patent number: 8582237Abstract: 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: GrantFiled: June 13, 2011Date of Patent: November 12, 2013Assignee: Seagate Technology LLCInventors: James Gary Wessel, Mourad Benakli, Raul Horacio Andruet, Kirill A. Rivkin, Sarbeswar Sahoo