Patents by Inventor Tong Zhao

Tong Zhao 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).

  • Publication number: 20170365281
    Abstract: A method including depositing a plasmonic material at a temperature of at least 150° C.; and forming at least a peg of a near field transducer (NFT) from the deposited plasmonic material.
    Type: Application
    Filed: August 7, 2017
    Publication date: December 21, 2017
    Inventors: Sarbeswar Sahoo, Tong Zhao, Michael C. Kautzky
  • Publication number: 20170345448
    Abstract: Devices having air bearing surfaces (ABS), the devices include a near field transducer (NFT) that includes a disc configured to convert photons incident thereon into plasmons; and a peg configured to couple plasmons coupled from the disc into an adjacent magnetic storage medium, wherein the disc includes a disc material and the peg includes a peg material, wherein the disc material is different from the peg material and wherein the disc material has a first real part of the permittivity and a peg material has a second real part of the permittivity and the second real part of the permittivity is not greater than the first real part of the permittivity.
    Type: Application
    Filed: July 31, 2017
    Publication date: November 30, 2017
    Inventors: Martin Blaber, Michael A. Seigler, Michael C. Kautzky, Tong Zhao, Justin Brons, John C. Duda, Yuhang Cheng
  • Patent number: 9822444
    Abstract: Devices having an air bearing surface (ABS), the device including a near field transducer, the near field transducer having a peg and a disc, the peg having a region adjacent the ABS, the peg including a plasmonic material selected from gold (Au), silver (Ag), copper (Cu), ruthenium (Ru), rhodium (Rh), aluminum (Al), or combinations thereof; and at least one other secondary atom selected from germanium (Ge), tellurium (Te), aluminum (Al), antimony (Sb), tin (Sn), mercury (Hg), indium (In), zinc (Zn), iron (Fe), copper (Cu), manganese (Mn), silver (Ag), chromium (Cr), cobalt (Co), and combinations thereof, wherein a concentration of the secondary atom is higher at the region of the peg adjacent the ABS than a concentration of the secondary atom throughout the bulk of the peg, and a method of forming NFT thereof.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: November 21, 2017
    Assignee: Seagate Technology LLC
    Inventors: Tong Zhao, Michael C. Kautzky, Sarbeswar Sahoo, Justin Brons, Jie Gong, Yuhang Cheng
  • Patent number: 9824709
    Abstract: Devices having an air bearing surfaces (ABS), the devices including a near field transducer (NFT) that includes a disc having a front edge; a peg, the peg having a front surface at the air bearing surface of the apparatus, an opposing back surface, a top surface that extends from the front surface to the back surface, two side surfaces that expend from the front surface to the back surface and a bottom surface that extends from the front surface to the back surface; and a barrier layer, the barrier layer separating at least the back surface of the peg from the disc and the barrier layer having a thickness from 10 nm to 50 nm.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: November 21, 2017
    Assignee: Seagate Technology LLC
    Inventors: Martin Blaber, Jie Gong, Dimitar Dimitrov, Steve Riemer, Michael Kautzky, Tong Zhao, Yongjun Zhao
  • Publication number: 20170316793
    Abstract: Devices having air bearing surfaces (ABS), the devices including a near field transducer (NFT) that includes a disc configured to convert photons incident thereon into plasmons; and a peg configured to couple plasmons coupled from the disc into an adjacent magnetic storage medium, wherein at least one of a portion of the peg, a portion of the disc, or a portion of both the peg and the disc include a multilayer structure including at least two layers including at least one layer of a first material and at least one layer of a second material, wherein the first material and the second material are not the same and wherein the first and the second materials independently include aluminum (Al), antimony (Sb), bismuth (Bi), boron (B), barium (Ba), calcium (Ca), cerium (Ce), chromium (Cr), cobalt (Co), copper (Cu), erbium (Er), gadolinium (Gd), gallium (Ga), germanium (Ge), gold (Au), hafnium (Hf), indium (In), iridium (Ir), iron (Fe), lanthanum (La), magnesium (Mg), manganese (Mn), molybdenum (Mo), nickel (Ni), ni
    Type: Application
    Filed: June 5, 2017
    Publication date: November 2, 2017
    Inventors: Martin Blaber, Tong Zhao, Justin Brons, Michael Kautzky
  • Patent number: 9805757
    Abstract: A near field transducer includes gold and at least one dopant. The dopant can include at least one of: Cu, Rh, Ru, Ag, Ta, Cr, Al, Zr, V, Pd, Ir, Co, W, Ti, Mg, Fe, or Mo. The dopant concentration may be in a range from 0.5% and 30%. The dopant can be a nanoparticle oxide of V, Zr, Mg, Ca, Al, Ti, Si, Ce, Y, Ta, W, or Th, or a nitride of Ta, Al, Ti, Si, In, Fe, Zr, Cu, W or B.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: October 31, 2017
    Assignee: Seagate Technology LLC
    Inventors: Tong Zhao, Michael Christopher Kautzky, William Albert Challener, Michael Allen Seigler
  • Patent number: 9799353
    Abstract: A device that includes a near field transducer (NFT), the NFT having a disc and a peg, and the peg having an air bearing surface thereof; and at least one adhesion layer positioned on at least the air bearing surface of the peg, the adhesion layer including one or more of platinum (Pt), iridium (Ir), ruthenium (Ru), rhodium (Rh), palladium (Pd), yttrium (Y), chromium (Cr), nickel (Ni), and scandium (Sc).
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: October 24, 2017
    Assignee: Seagate Technology LLC
    Inventors: Yuhang Cheng, Tong Zhao, Michael C. Kautzky, Ed F. Rejda, Kurt W. Wierman, Scott Franzen, Andrew J. Boyne, Michael Allen Seigler, Sethuraman Jayashankar
  • Patent number: 9792931
    Abstract: Devices having an air bearing surface (ABS), the devices including a write pole; a near field transducer (NFT) that includes a peg and a disc, wherein the peg is at the ABS of the device; a heat sink positioned adjacent the disc of the NFT; a dielectric gap positioned adjacent the peg of the NFT at the ABS of the device; and a conformal diffusion barrier layer positioned between the write pole and the dielectric gap, the disc, and the heat sink, wherein the conformal diffusion barrier layer forms at least one angle that is not greater than 135°.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: October 17, 2017
    Assignee: Seagate Technology LLC
    Inventors: Sarbeswar Sahoo, Martin Blaber, Hui Brickner, Tong Zhao, Yuhang Cheng, John Duda, Tae-Woo Lee
  • Patent number: 9767832
    Abstract: A device that includes a near field transducer (NFT); at least one cladding layer adjacent the NFT; and a carbon interlayer positioned between the NFT and the at least one cladding layer.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: September 19, 2017
    Assignee: Seagate Technology LLC
    Inventors: Justin Glen Brons, Tong Zhao, Xiaoyue Huang, Michael C. Kautzky
  • Publication number: 20170263276
    Abstract: Devices that include a near field transducer (NFT), the NFT having a disc and a peg, and the peg having five surfaces thereof; and at least one adhesion layer positioned on at least one of the five surfaces of the peg, the adhesion layer including one or more of the following: yttrium (Y), tin (Sn), iron (Fe), copper (Cu), carbon (C), holmium (Ho), gallium (Ga), silver (Ag), ytterbium (Yb), chromium (Cr), tantalum (Ta), iridium (Ir), zirconium (Zr), yttrium (Y), scandium (Sc), cobalt (Co), silicon (Si), nickel (Ni), molybdenum (Mo), niobium (Nb), palladium (Pd), titanium (Ti), rhenium (Re), osmium (Os), platinum (Pt), aluminum (Al), ruthenium (Ru), rhodium (Rh), vanadium (V), germanium (Ge), tin (Sn), magnesium (Mg), iron (Fe), copper (Cu), tungsten (W), hafnium (Hf), carbon (C), boron (B), holmium (Ho), antimony (Sb), gallium (Ga), manganese (Mn), silver (Ag), indium (In), bismuth (Bi), zinc (Zn), ytterbium (Yb), and combinations thereof.
    Type: Application
    Filed: May 26, 2017
    Publication date: September 14, 2017
    Inventors: Vijay Karthik Sankar, Tong Zhao, Yongjun Zhao, Michael C. Kautzky, Hui Brickner, Sarbeswar Sahoo
  • Patent number: 9747939
    Abstract: A device including a near field transducer (NFT); a write pole; at least one dielectric material positioned between the NFT and the write pole; and an adhesion layer positioned between the NFT and the at least one dielectric material.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: August 29, 2017
    Assignee: Seagate Technology LLC
    Inventors: Tong Zhao, Meng Zhu, Xiaoyue Huang, Michael C. Kautzky
  • Patent number: 9741381
    Abstract: Devices having air bearing surfaces (ABS), the devices include a near field transducer (NFT) that includes a disc; a peg, the peg including gold (Au), silver (Ag), copper (Cu), aluminum (Al), rhodium (Rh), iridium (Ir), or combinations thereof; and the peg having a front surface at the air bearing surface of the device, an opposing back surface, a top surface that extends from the front surface to the back surface, two side surfaces that extend from the front surface to the back surface and a bottom surface that extends from the front surface to the back surface; and a protective layer disposed on at least one surface of the peg, the protective layer comprising an oxide of a metal that has a higher oxidation tendency than that of the material of the peg.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: August 22, 2017
    Assignee: Seagate Technology LLC
    Inventors: Tong Zhao, Justin Brons, Michael Kautzky
  • Publication number: 20170231310
    Abstract: Disclosed are a stuffing (4) and a method for manufacturing the same, the stuffing (4) comprising a branch (402) and trunk (401) structure formed with a microporous polymer, and having a trunk (401), and branches (402) formed by splitting from the trunk (401). The stuffing (4) of the present invention can still maintain at a dispersedly stuffing state after multiple washings, without notable phenomena such as agglomeration and entanglement.
    Type: Application
    Filed: August 21, 2015
    Publication date: August 17, 2017
    Inventors: Hong Bing Xiang, Feng Xu, Guo Tong Zhao
  • Patent number: 9728208
    Abstract: A method including depositing a plasmonic material at a temperature of at least 150° C.; and forming at least a peg of a near field transducer (NFT) from the deposited plasmonic material.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: August 8, 2017
    Assignee: Seagate Technology LLC
    Inventors: Sarbeswar Sahoo, Tong Zhao, Michael C. Kautzky
  • Patent number: 9728209
    Abstract: A near-field transducer includes first and second stacked base portions having a common outline shape. The second base portion is proximate alight delivery structure. A peg extends from the first base portion towards a media-facing surface. The peg includes a material that is more thermally robust than a plasmonic material of the base portion. The peg has a peg thickness that is less than a thickness of the first base portion. The first base portion has a first recess proximate the peg. The first recess separates the first base portion from the media-facing surface and exposes at least a top side of the peg.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: August 8, 2017
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Weibin Chen, Martin Blaber, Tong Zhao, Michael Christopher Kautzky, John Charles Duda
  • Patent number: 9721593
    Abstract: Devices having air bearing surfaces (ABS), the devices include a near field transducer (NFT) that includes a disc configured to convert photons incident thereon into plasmons; and a peg configured to couple plasmons coupled from the disc into an adjacent magnetic storage medium, wherein the disc includes a disc material and the peg includes a peg material, wherein the disc material is different from the peg material and wherein the disc material has a first real part of the permittivity and a peg material has a second real part of the permittivity and the second real part of the permittivity is not greater than the first real part of the permittivity.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: August 1, 2017
    Assignee: Seagate Technology LLC
    Inventors: Martin Blaber, Michael A. Seigler, Michael C. Kautzky, Tong Zhao, Justin Brons, John C. Duda, Yuhang Cheng
  • Patent number: 9672848
    Abstract: Devices having air bearing surfaces (ABS), the devices including a near field transducer (NFT) that includes a disc configured to convert photons incident thereon into plasmons; and a peg configured to couple plasmons coupled from the disc into an adjacent magnetic storage medium, wherein at least one of a portion of the peg, a portion of the disc, or a portion of both the peg and the disc include a multilayer structure including at least two layers including at least one layer of a first material and at least one layer of a second material, wherein the first material and the second material are not the same and wherein the first and the second materials independently include aluminum (Al), antimony (Sb), bismuth (Bi), boron (B), barium (Ba), calcium (Ca), cerium (Ce), chromium (Cr), cobalt (Co), copper (Cu), erbium (Er), gadolinium (Gd), gallium (Ga), germanium (Ge), gold (Au), hafnium (Hf), indium (In), iridium (Ir), iron (Fe), lanthanum (La), magnesium (Mg), manganese (Mn), molybdenum (Mo), nickel (Ni), ni
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: June 6, 2017
    Assignee: Seagate Technology LLC
    Inventors: Martin Blaber, Tong Zhao, Justin Brons, Michael Kautzky
  • Patent number: 9666220
    Abstract: Devices that include a near field transducer (NFT), the NFT having a disc and a peg, and the peg having five surfaces thereof; and at least one adhesion layer positioned on at least one of the five surfaces of the peg, the adhesion layer including one or more of the following: yttrium (Y), tin (Sn), iron (Fe), copper (Cu), carbon (C), holmium (Ho), gallium (Ga), silver (Ag), ytterbium (Yb), chromium (Cr), tantalum (Ta), iridium (Ir), zirconium (Zr), yttrium (Y), scandium (Sc), cobalt (Co), silicon (Si), nickel (Ni), molybdenum (Mo), niobium (Nb), palladium (Pd), titanium (Ti), rhenium (Re), osmium (Os), platinum (Pt), aluminum (Al), ruthenium (Ru), rhodium (Rh), vanadium (V), germanium (Ge), tin (Sn), magnesium (Mg), iron (Fe), copper (Cu), tungsten (W), hafnium (Hf), carbon (C), boron (B), holmium (Ho), antimony (Sb), gallium (Ga), manganese (Mn), silver (Ag), indium (In), bismuth (Bi), zinc (Zn), ytterbium (Yb), and combinations thereof.
    Type: Grant
    Filed: May 25, 2015
    Date of Patent: May 30, 2017
    Assignee: Seagate Technology LLC
    Inventors: Vijay Karthik Sankar, Tong Zhao, Yongjun Zhao, Michael C. Kautzky, Hui Brickner, Sarbeswar Sahoo
  • Patent number: 9643513
    Abstract: An energy management system comprises a first electricity transformer with one or more first leg circuit(s), a second electricity transformer with one or more second leg circuit(s), and a control device. One or more first leg circuit(s) is (are) coupled to an energy-type supply, and one or more second leg circuit(s) is (are) coupled to a power-type supply. The control device will control the first and second electricity transformers operating under at least one of two conditions when a traction device is under driving mode.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: May 9, 2017
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Jinping Gao, Hai Qiu, Tong Zhao, Fei Xu, Hongwu She
  • Publication number: 20170103624
    Abstract: A vehicle alarming method includes measuring a pressure value of a vehicle through a pressure sensor, detecting whether a paired terminal corresponding to the vehicle is within a preset distance range when the pressure value of the vehicle is reduced to a preset pressure range, and performing alarming when the paired terminal is not detected.
    Type: Application
    Filed: July 15, 2016
    Publication date: April 13, 2017
    Inventors: Xinyu LIU, Tong ZHAO