Patents by Inventor Steven C. Riemer
Steven C. Riemer 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: 11913130Abstract: A data storage device comprising a recording head having a high damping magnetic alloy layer including at least one magnetic alloy element, and a 5d transition element; the high damping magnetic alloy layer having a mixed face-centered cubic (fcc) and body-centered cubic (bcc) crystal structure, and the mixed fcc and bcc crystal structure comprising fcc and bcc grains, with the bcc grains having an elongated shape relative to the fcc grains, a larger size than the fcc grains, and slip deformation, thereby providing the high damping magnetic alloy layer with a damping constant of up to about 0.07.Type: GrantFiled: June 2, 2022Date of Patent: February 27, 2024Assignee: Seagate Technology LLCInventors: Jie Gong, Steven C. Riemer, John A. Rice, Hilton Erskine, Michael C. Kautzky, Xuelian Xu
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Patent number: 11866841Abstract: Described are electrodeposition methods, and materials and structures prepared by electrodeposition methods, and devices prepared from the electrodeposited materials.Type: GrantFiled: March 15, 2018Date of Patent: January 9, 2024Assignee: SEAGATE TECHNOLOGY LLCInventors: Jie Gong, Steven C. Riemer, Wei Tian, Michael C. Kautzky
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Patent number: 11798583Abstract: A method includes immersing a wafer in an electrolyte including a plurality of compounds having elements of a thermally stable soft magnetic material. The method also includes applying a combined stepped and pulsed current to the wafer when the wafer is immersed in an electrolyte. The wafer is removed from the electrolyte when a layer of the thermally stable soft magnetic material is formed on the wafer.Type: GrantFiled: September 17, 2021Date of Patent: October 24, 2023Assignee: Seagate Technology LLCInventors: Jie Gong, Steven C. Riemer, John A. Rice, Michael C. Kautzky
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Patent number: 11377749Abstract: A method includes immersing a wafer in an electrolyte including a plurality of compounds having elements of a high damping magnetic alloy with very low impurity and small uniform grain size. The method also includes applying a pulsed current with a certain range of duty cycle and pulse length to the wafer when the wafer is immersed in an electrolyte. The wafer is removed from the electrolyte when a layer of the high damping magnetic alloy is formed on the wafer.Type: GrantFiled: December 6, 2019Date of Patent: July 5, 2022Assignee: SEAGATE TECHNOLOGY LLCInventors: Jie Gong, Steven C. Riemer, John A. Rice, Hilton Erskine, Michael C. Kautzky, Xuelian Xu
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Patent number: 11152020Abstract: A method includes immersing a wafer in an electrolyte including a plurality of compounds having elements of a thermally stable soft magnetic material. The method also includes applying a combined stepped and pulsed current to the wafer when the wafer is immersed in an electrolyte. The wafer is removed from the electrolyte when a layer of the thermally stable soft magnetic material is formed on the wafer.Type: GrantFiled: May 14, 2019Date of Patent: October 19, 2021Assignee: SEAGATE TECHNOLOGY LLCInventors: Jie Gong, Steven C. Riemer, John A. Rice, Michael C. Kautzky
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Publication number: 20200118587Abstract: Devices that include a near field transducer (NFT) including a crystalline plasmonic material having crystal grains and grain boundaries; and nanoparticles disposed in the crystal grains, on the grain boundaries, or some combination thereof, wherein the nanoparticles are oxides of, lanthanum (La), barium (Ba), strontium (Sr), erbium (Er), hafnium (Hf), germanium (Ge), or combinations thereof; nitrides of zirconium (Zr), niobium (Nb), or combinations thereof; or carbides of silicon (Si), aluminum (Al), boron (B), zirconium (Zr), tungsten (W), titanium (Ti), niobium (Nb), or combinations thereof.Type: ApplicationFiled: December 16, 2019Publication date: April 16, 2020Inventors: Tong Zhao, Justin Brons, Steven C. Riemer, Michael C. Kautzky, Xiaoyue Huang, Sarbeswar Sahoo
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Patent number: 10510364Abstract: Devices that include a near field transducer (NFT) including a crystalline plasmonic material having crystal grains and grain boundaries; and nanoparticles disposed in the crystal grains, on the grain boundaries, or some combination thereof, wherein the nanoparticles are oxides of, lanthanum (La), barium (Ba), strontium (Sr), erbium (Er), hafnium (Hf), germanium (Ge), or combinations thereof; nitrides of zirconium (Zr), niobium (Nb), or combinations thereof; or carbides of silicon (Si), aluminum (Al), boron (B), zirconium (Zr), tungsten (W), titanium (Ti), niobium (Nb), or combinations thereof.Type: GrantFiled: November 9, 2015Date of Patent: December 17, 2019Assignee: Seagate Technology LLCInventors: Tong Zhao, Justin Brons, Steven C. Riemer, Michael C. Kautzky, Xiaoyue Huang, Sarbeswar Sahoo
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Patent number: 10304482Abstract: Devices having an air bearing surface (ABS), the devices include a write pole; a near field transducer (NFT) including a peg and a disc, wherein the peg is at the ABS of the device; an overcoat, the overcoat including a low surface energy layer.Type: GrantFiled: March 17, 2016Date of Patent: May 28, 2019Assignee: Seagate Technology LLCInventors: Yuhang Cheng, Michael Seigler, Scott Franzen, Tong Zhao, Xiaoyue Huang, Steven C. Riemer, Robert Anthony Fernandez, Douglas H. Cole
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Publication number: 20190112722Abstract: A method includes immersing a wafer in an electrolyte including a plurality of compounds having elements of a high damping magnetic alloy with very low impurity and small uniform grain size. The method also includes applying a pulsed current with a certain range of duty cycle and pulse length to the wafer when the wafer is immersed in an electrolyte. The wafer is removed from the electrolyte when a layer of the high damping magnetic alloy is formed on the wafer.Type: ApplicationFiled: October 17, 2017Publication date: April 18, 2019Inventors: Jie Gong, Steven C. Riemer, John A. Rice, Hilton Erskine, Michael C. Kautzky
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Patent number: 10026423Abstract: 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: GrantFiled: May 1, 2017Date of Patent: July 17, 2018Assignee: SEAGATE TECHNOLOGY LLCInventors: Venkateswara Inturi, Steven C. Riemer, Dong Lin, Joseph Mundenar, Alexander Bramer
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Publication number: 20160275974Abstract: Devices having an air bearing surface (ABS), the devices include a write pole; a near field transducer (NFT) including a peg and a disc, wherein the peg is at the ABS of the device; an overcoat, the overcoat including a low surface energy layer.Type: ApplicationFiled: March 17, 2016Publication date: September 22, 2016Inventors: Yuhang Cheng, Michael Seigler, Scott Franzen, Tong Zhao, Xiaoyue Huang, Steven C. Riemer, Robert Anthony Fernandez, Douglas H. Cole
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Publication number: 20160133279Abstract: Devices that include a near field transducer (NFT) including a crystalline plasmonic material having crystal grains and grain boundaries; and nanoparticles disposed in the crystal grains, on the grain boundaries, or some combination thereof, wherein the nanoparticles are oxides of, lanthanum (La), barium (Ba), strontium (Sr), erbium (Er), hafnium (Hf), germanium (Ge), or combinations thereof; nitrides of zirconium (Zr), niobium (Nb), or combinations thereof; or carbides of silicon (Si), aluminum (Al), boron (B), zirconium (Zr), tungsten (W), titanium (Ti), niobium (Nb), or combinations thereof.Type: ApplicationFiled: November 9, 2015Publication date: May 12, 2016Inventors: Tong Zhao, Justin Brons, Steven C. Riemer, Michael C. Kautzky, Xiaoyue Huang, Sarbeswar Sahoo
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Patent number: 9251837Abstract: An apparatus that includes a near field transducer, the near field transducer including silver (Ag) and at least one other element or compound, wherein the at least one other element or compound is selected from: copper (Cu), palladium (Pd), gold (Au), zirconium (Zr), zirconium oxide (ZrO), platinum (Pt), geranium (Ge), nickel (Ni), tungsten (W), cobalt (Co), rhodium (Rh), ruthenium (Ru), tantalum (Ta), chromium (Cr), aluminum (Al), vanadium (V), iridium (Ir), titanium (Ti), magnesium (Mg), iron (Fe), molybdenum (Mo), silicon (Si), or combinations thereof oxides of V, Zr, Mg, calcium (Ca), Al, Ti, Si, cesium (Ce), yttrium (Y), Ta, W or thorium (Th), Co, or combinations thereof; or nitrides of Ta, Al, Ti, Si, indium (In), Fe, Zr, Cu, W, boron (B), halfnium (Hf), or combinations thereof.Type: GrantFiled: March 12, 2013Date of Patent: February 2, 2016Assignee: Seagate Technology LLCInventors: Meng Zhu, Tong Zhao, Steven C. Riemer, Michael C. Kautzky
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Patent number: 8817407Abstract: An apparatus that includes a write pole, the write pole including a magnetic material; a near field transducer-heat sink (NFT-HS), the NFT-HS including a noble metal; and a power source configured to electrically bias the write pole with respect to a second structure.Type: GrantFiled: March 13, 2013Date of Patent: August 26, 2014Assignee: Seagate Technology LLCInventors: James G. Wessel, Steven C. Riemer, Zoran Jandric
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Publication number: 20130286806Abstract: An apparatus that includes a write pole, the write pole including a magnetic material; a near field transducer-heat sink (NFT-HS), the NFT-HS including a noble metal; and a power source configured to electrically bias the write pole with respect to a second structure.Type: ApplicationFiled: March 13, 2013Publication date: October 31, 2013Applicant: SEAGATE TECHNOLOGY LLCInventors: James G. Wessel, Steven C. Riemer, Zoran Jandric
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Publication number: 20130286799Abstract: An apparatus that includes a near field transducer, the near field transducer including silver (Ag) and at least one other element or compound, wherein the at least one other element or compound is selected from: copper (Cu), palladium (Pd), gold (Au), zirconium (Zr), zirconium oxide (ZrO), platinum (Pt), geranium (Ge), nickel (Ni), tungsten (W), cobalt (Co), rhodium (Rh), ruthenium (Ru), tantalum (Ta), chromium (Cr), aluminum (Al), vanadium (V), iridium (Ir), titanium (Ti), magnesium (Mg), iron (Fe), molybdenum (Mo), silicon (Si), or combinations thereof oxides of V, Zr, Mg, calcium (Ca), Al, Ti, Si, cesium (Ce), yttrium (Y), Ta, W or thorium (Th), Co, or combinations thereof; or nitrides of Ta, Al, Ti, Si, indium (In), Fe, Zr, Cu, W, boron (B), halfnium (Hf), or combinations thereof.Type: ApplicationFiled: March 12, 2013Publication date: October 31, 2013Applicant: SEAGATE TECHNOLOGY LLCInventors: Meng Zhu, Tong Zhao, Steven C. Riemer, Michael C. Kautzky
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Patent number: 8187452Abstract: A patterned magnetic recording media and method thereof is provided. A recording layer comprises a continuous surface of more-noble elements and less-noble elements, such as CoXYZ, wherein X can be Pt, Pd, Ru, Rh, Ir, Os, or Au, wherein Y can be null or Cr, and wherein Z can be null, Cu, Ta, Ti, O, B, Ag, or TiO2. The recording layer is masked, shielding areas for recording domains and exposing areas between the recording domains. A voltage bias establishes the substrate as an anode in the presence of Pt cathode, in an electrolyte bath. Ions of the less-noble element are anodically removed predominantly from the exposed areas of the recording layer for a controlled time. The controlled time minimizes oxidation of the nobler element and reduces undercutting of the recording domains. The article produced can have separating areas with surfaces substantially formed of the more-noble element.Type: GrantFiled: April 28, 2009Date of Patent: May 29, 2012Assignee: Seagate Technology LLCInventors: Steven C. Riemer, Ibro Tabakovic, Jie Gong, Hieu T. Lam, Mark T. Kief, Mark H. Ostrowski, Jiaoming Qiu
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Publication number: 20100273026Abstract: A patterned magnetic recording media and method thereof is provided. A recording layer comprises a continuous surface of more-noble elements and less-noble elements, such as CoXYZ, wherein X can be Pt, Pd, Ru, Rh, Ir, Os, or Au, wherein Y can be null or Cr, and wherein Z can be null, Cu, Ta, Ti, O, B, Ag, or TiO2. The recording layer is masked, shielding areas for recording domains and exposing areas between the recording domains. A voltage bias establishes the substrate as an anode in the presence of Pt cathode, in an electrolyte bath. Ions of the less-noble element are anodically removed predominantly from the exposed areas of the recording layer for a controlled time. The controlled time minimizes oxidation of the nobler element and reduces undercutting of the recording domains. The article produced can have separating areas with surfaces substantially formed of the more-noble element.Type: ApplicationFiled: April 28, 2009Publication date: October 28, 2010Inventors: Steven C. Riemer, Ibro Tabakovic, Jie Gong, Hieu T. Lam, Mark T. Kief, Mark H. Ostrowski, Jiaoming Qiu
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Patent number: 6600637Abstract: A magnetic data storage and retrieval system has a bottom shield, a first half gap positioned on the bottom shield, a sensor layer positioned on the first half gap, a second half gap positioned on the sensor layer; and a top shield positioned on the second half gap. The sensor layer includes a magnetoresistive sensor having sidewalls and a barrier surrounding and in direct contact with the sidewalls of the magnetoresistive sensor.Type: GrantFiled: April 3, 2000Date of Patent: July 29, 2003Assignee: Seagate Technology, L.L.C.Inventors: Hong Wang, Robbee L. Grimm, Matthew T. Johnson, John P. Spangler, Craig A. Ballentine, Qing He, Steven C. Riemer, Brian J. Daniels