Patents by Inventor Sethuraman Jayashankar

Sethuraman Jayashankar 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: 11107499
    Abstract: A device including a near field transducer, the near field transducer including gold (Au) and at least one other secondary atom, the at least one other secondary atom selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), hafnium (Hf), niobium (Nb), manganese (Mn), antimony (Sb), tellurium (Te), carbon (C), nitrogen (N), and oxygen (O), and combinations thereof; erbium (Er), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), zinc (Zn), and combinations thereof; and barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), gadolinium (Gd), germanium (Ge), hydrogen (H), iodine (I), osmium (Os), phosphorus (P), rubidium (Rb), rhenium (Re), selenium (Se), samarium (Sm), terbium (Tb), thallium (Th), and combinations thereof.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: August 31, 2021
    Assignee: Seagate Technology LLC
    Inventors: Yuhang Cheng, Tong Zhao, Michael C. Kautzky, Ed F. Rejda, Kurt W. Wierman, Scott Franzen, Sethuraman Jayashankar, Sarbeswar Sahoo, Jie Gong, Michael Allen Seigler
  • Patent number: 10971180
    Abstract: A method of forming a near field transducer (NFT), the method including the steps of depositing a primary material; and implanting a secondary element, wherein both the primary material and the secondary element are chosen such that the primary material is densified via implantation of the secondary element.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: April 6, 2021
    Assignee: Seagate Technology LLC
    Inventors: Sethuraman Jayashankar, Sarbeswar Sahoo
  • Patent number: 10964347
    Abstract: A device including a near field transducer, the near field transducer including gold (Au), silver (Ag), copper (Cu), or aluminum (Al), and at least two other secondary atoms, the at least two other secondary atoms selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), manganese (Mn), tellurium (Te), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), germanium (Ge), hydrogen (H), iodine (I), rubidium (Rb), selenium (Se), terbium (Tb), nitrogen (N), oxygen (O), carbon (C), antimony (Sb), gadolinium (Gd), samarium (Sm), thallium (Tl), cadmium (Cd), neodymium (Nd), phosphorus (P), lead (Pb), hafnium (Hf), niobium (Nb), erbium (Er), zinc (Zn), magnesium (Mg), palladium (Pd), vanadium (V), zinc (Zn), chromium (Cr), iron (Fe), lithium (Li), nickel (Ni), platinum (Pt), sodium (Na), strontium (Sr), calcium (Ca), yttrium (Y), thorium (Th), beryllium (Be), thulium (Tm), erbium
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: March 30, 2021
    Assignee: Seagate Technology LLC
    Inventors: Yuhang Cheng, Tong Zhao, Michael C. Kautzky, Ed F. Rejda, Kurt W. Wierman, Scott Franzen, Sethuraman Jayashankar, Sarbeswar Sahoo, Justin Glen Brons, Steve C. Riemer, Jie Gong, Michael Allen Seigler
  • Publication number: 20200227086
    Abstract: A device including a near field transducer, the near field transducer including gold (Au) and at least one other secondary atom, the at least one other secondary atom selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), hafnium (Hf), niobium (Nb), manganese (Mn), antimony (Sb), tellurium (Te), carbon (C), nitrogen (N), and oxygen (O), and combinations thereof; erbium (Er), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), zinc (Zn), and combinations thereof; and barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), gadolinium (Gd), germanium (Ge), hydrogen (H), iodine (I), osmium (Os), phosphorus (P), rubidium (Rb), rhenium (Re), selenium (Se), samarium (Sm), terbium (Tb), thallium (Th), and combinations thereof.
    Type: Application
    Filed: November 19, 2019
    Publication date: July 16, 2020
    Inventors: Yuhang Cheng, Tong Zhao, Michael C. Kautzky, Ed F. Rejda, Kurt W. Wierman, Scott Franzen, Sethuraman Jayashankar, Sarbeswar Sahoo, Jie Gong, Michael Allen Seigler
  • Patent number: 10699740
    Abstract: A device including a near field transducer, the near field transducer including gold (Au), silver (Ag), copper (Cu), or aluminum (Al), and at least two other secondary atoms, the at least two other secondary atoms selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), manganese (Mn), tellurium (Te), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), germanium (Ge), hydrogen (H), iodine (I), rubidium (Rb), selenium (Se), terbium (Tb), nitrogen (N), oxygen (O), carbon (C), antimony (Sb), gadolinium (Gd), samarium (Sm), thallium (Tl), cadmium (Cd), neodymium (Nd), phosphorus (P), lead (Pb), hafnium (Hf), niobium (Nb), erbium (Er), zinc (Zn), magnesium (Mg), palladium (Pd), vanadium (V), zinc (Zn), chromium (Cr), iron (Fe), lithium (Li), nickel (Ni), platinum (Pt), sodium (Na), strontium (Sr), calcium (Ca), yttrium (Y), thorium (Th), beryllium (Be), thulium (Tm), erbium
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: June 30, 2020
    Assignee: Seagate Technology LLC
    Inventors: Yuhang Cheng, Tong Zhao, Michael C. Kautzky, Ed F. Rejda, Kurt W. Wierman, Scott Franzen, Sethuraman Jayashankar, Sarbeswar Sahoo, Justin Glen Brons, Steve C. Riemer, Jie Gong, Michael Allen Seigler
  • Patent number: 10482914
    Abstract: A device including a near field transducer, the near field transducer including gold (Au) and at least one other secondary atom, the at least one other secondary atom selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), hafnium (Hf), niobium (Nb), manganese (Mn), antimony (Sb), tellurium (Te), carbon (C), nitrogen (N), and oxygen (O), and combinations thereof; erbium (Er), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), zinc (Zn), and combinations thereof; and barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), gadolinium (Gd), germanium (Ge), hydrogen (H), iodine (I), osmium (Os), phosphorus (P), rubidium (Rb), rhenium (Re), selenium (Se), samarium (Sm), terbium (Tb), thallium (Th), and combinations thereof.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: November 19, 2019
    Assignee: Seagate Technology LLC
    Inventors: Yuhang Cheng, Tong Zhao, Michael C. Kautzky, Ed F. Rejda, Kurt W. Wierman, Scott Franzen, Sethuraman Jayashankar, Sarbeswar Sahoo, Jie Gong, Michael Allen Seigler
  • Publication number: 20190088280
    Abstract: A method of forming a near field transducer (NFT) layer, the method including depositing a film of a primary element, the film having a film thickness and a film expanse; and implanting at least one secondary element into the primary element, wherein the NFT layer includes the film of the primary element doped with the at least one secondary element.
    Type: Application
    Filed: November 19, 2018
    Publication date: March 21, 2019
    Inventors: Sethuraman Jayashankar, Michael C. Kautzky
  • Publication number: 20180366153
    Abstract: A device including a near field transducer, the near field transducer including gold (Au) and at least one other secondary atom, the at least one other secondary atom selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), hafnium (Hf), niobium (Nb), manganese (Mn), antimony (Sb), tellurium (Te), carbon (C), nitrogen (N), and oxygen (O), and combinations thereof; erbium (Er), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), zinc (Zn), and combinations thereof; and barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), gadolinium (Gd), germanium (Ge), hydrogen (H), iodine (I), osmium (Os), phosphorus (P), rubidium (Rb), rhenium (Re), selenium (Se), samarium (Sm), terbium (Tb), thallium (Th), and combinations thereof.
    Type: Application
    Filed: April 13, 2018
    Publication date: December 20, 2018
    Inventors: Yuhang Cheng, Tong Zhao, Michael C. Kautzky, Ed F. Rejda, Kurt W. Wierman, Scott Franzen, Sethuraman Jayashankar, Sarbeswar Sahoo, Jie Gong, Michael Allen Seigler
  • Patent number: 10134436
    Abstract: A method of forming a near field transducer (NFT) layer, the method including depositing a film of a primary element, the film having a film thickness and a film expanse; and implanting at least one secondary element into the primary element, wherein the NFT layer includes the film of the primary element doped with the at least one secondary element.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: November 20, 2018
    Assignee: Seagate Technology LLC
    Inventors: Sethuraman Jayashankar, Michael C. Kautzky
  • Publication number: 20180137889
    Abstract: A method of forming a near field transducer (NFT) layer, the method including depositing a film of a primary element, the film having a film thickness and a film expanse; and implanting at least one secondary element into the primary element, wherein the NFT layer includes the film of the primary element doped with the at least one secondary element.
    Type: Application
    Filed: January 15, 2018
    Publication date: May 17, 2018
    Inventors: Sethuraman Jayashankar, Michael C. Kautzky
  • Patent number: 9899043
    Abstract: A method of forming a near field transducer (NFT), the method including the steps of depositing a plasmonic material; depositing an encapsulant material on at least a portion of the plasmonic material; and implanting ions into at least a portion of the plasmonic material through the encapsulant material.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: February 20, 2018
    Assignee: Seagate Technology LLC
    Inventors: Sethuraman Jayashankar, Hui Brickner
  • Patent number: 9870793
    Abstract: A method of forming a near field transducer (NFT) layer, the method including depositing a film of a primary element, the film having a film thickness and a film expanse; and implanting at least one secondary element into the primary element, wherein the NFT layer includes the film of the primary element doped with the at least one secondary element.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: January 16, 2018
    Assignee: Seagate Technology LLC
    Inventors: Sethuraman Jayashankar, Michael C. Kautzky
  • Publication number: 20170337943
    Abstract: A method of forming a near field transducer (NFT), the method including the steps of depositing a primary material; and implanting a secondary element, wherein both the primary material and the secondary element are chosen such that the primary material is densified via implantation of the secondary element.
    Type: Application
    Filed: June 30, 2017
    Publication date: November 23, 2017
    Inventors: Sethuraman Jayashankar, Sarbeswar Sahoo
  • 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: 9697856
    Abstract: A method of forming a near field transducer (NFT), the method including the steps of depositing a primary material; and implanting a secondary element, wherein both the primary material and the secondary element are chosen such that the primary material is densified via implantation of the secondary element.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: July 4, 2017
    Assignee: Seagate Techology LLC
    Inventors: Sethuraman Jayashankar, Sarbeswar Sahoo
  • Publication number: 20170169842
    Abstract: A method of forming a near field transducer (NFT), the method including the steps of depositing a plasmonic material; depositing an encapsulant material on at least a portion of the plasmonic material; and implanting ions into at least a portion of the plasmonic material through the encapsulant material.
    Type: Application
    Filed: February 13, 2017
    Publication date: June 15, 2017
    Inventors: Sethuraman Jayashankar, Hui Brickner
  • Publication number: 20170069342
    Abstract: A device including a near field transducer, the near field transducer including gold (Au), silver (Ag), copper (Cu), or aluminum (Al), and at least two other secondary atoms, the at least two other secondary atoms selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), manganese (Mn), tellurium (Te), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), germanium (Ge), hydrogen (H), iodine (I), rubidium (Rb), selenium (Se), terbium (Tb), nitrogen (N), oxygen (O), carbon (C), antimony (Sb), gadolinium (Gd), samarium (Sm), thallium (Tl), cadmium (Cd), neodymium (Nd), phosphorus (P), lead (Pb), hafnium (Hf), niobium (Nb), erbium (Er), zinc (Zn), magnesium (Mg), palladium (Pd), vanadium (V), zinc (Zn), chromium (Cr), iron (Fe), lithium (Li), nickel (Ni), platinum (Pt), sodium (Na), strontium (Sr), calcium (Ca), yttrium (Y), thorium (Th), beryllium (Be), thulium (Tm), erbium
    Type: Application
    Filed: November 21, 2016
    Publication date: March 9, 2017
    Inventors: Yuhang Cheng, Tong Zhao, Michael C. Kautzky, Ed F. Rejda, Kurt W. Wierman, Scott Franzen, Sethuraman Jayashankar, Sarbeswar Sahoo, Justin Glen Brons, Steve C. Riemer, Jie Gong, Michael Allen Seigler
  • Patent number: 9570098
    Abstract: A method of forming a near field transducer (NFT), the method including the steps of depositing a plasmonic material; depositing an encapsulant material on at least a portion of the plasmonic material; and implanting ions into at least a portion of the plasmonic material through the encapsulant material.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: February 14, 2017
    Assignee: Seagate Technology LLC
    Inventors: Sethuraman Jayashankar, Hui Brickner
  • Patent number: 9502070
    Abstract: A device including a near field transducer, the near field transducer including gold (Au), silver (Ag), copper (Cu), or aluminum (Al), and at least two other secondary atoms, the at least two other secondary atoms selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), manganese (Mn), tellurium (Te), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), germanium (Ge), hydrogen (H), iodine (I), rubidium (Rb), selenium (Se), terbium (Tb), nitrogen (N), oxygen (O), carbon (C), antimony (Sb), gadolinium (Gd), samarium (Sm), thallium (Tl), cadmium (Cd), neodymium (Nd), phosphorus (P), lead (Pb), hafnium (Hf), niobium (Nb), erbium (Er), zinc (Zn), magnesium (Mg), palladium (Pd), vanadium (V), zinc (Zn), chromium (Cr), iron (Fe), lithium (Li), nickel (Ni), platinum (Pt), sodium (Na), strontium (Sr), calcium (Ca), yttrium (Y), thorium (Th), beryllium (Be), thulium (Tm), erbium
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: November 22, 2016
    Assignee: Seagate Technology LLC
    Inventors: Yuhang Cheng, Tong Zhao, Michael C. Kautzky, Ed F. Rejda, Kurt W. Wierman, Scott Franzen, Sethuraman Jayashankar, Sarbeswar Sahoo, Justin Glen Brons, Steve C. Riemer, Jie Gong, Michael Allen Seigler
  • Publication number: 20160189735
    Abstract: A method of forming a near field transducer (NFT) layer, the method including depositing a film of a primary element, the film having a film thickness and a film expanse; and implanting at least one secondary element into the primary element, wherein the NFT layer includes the film of the primary element doped with the at least one secondary element.
    Type: Application
    Filed: March 9, 2016
    Publication date: June 30, 2016
    Inventors: Sethuraman Jayashankar, Michael C. Kautzky