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
Patent number: 10229704
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:
June 5, 2017
Date of Patent:
March 12, 2019
Assignee:
Seagate Technology LLC
Inventors:
Martin Blaber, Tong Zhao, Justin Brons, Michael Kautzky
Patent number: 10217482
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 26, 2017
Date of Patent:
February 26, 2019
Assignee:
Seagate Technology LLC
Inventors:
Vijay Karthik Sankar, Tong Zhao, Yongjun Zhao, Michael C. Kautzky, Hui Brickner, Sarbeswar Sahoo
Publication number: 20190051319
Abstract: Devices that include a near field transducer (NFT), the NFT having at least one external surface; and at least one multilayer adhesion layer positioned on at least a portion of the at least one external surface, the multilayer adhesion layer including a first layer and a second layer, with the second layer being in contact with the portion of the at least one external surface of the NFT, the first layer including: yttrium (Y), scandium (Sc), zirconium (Zr), hafnium (Hf), silicon (Si), boron (B), tantalum (Ta), barium (Ba), aluminum (Al), titanium (Ti), niobium (Nb), calcium (Ca), beryllium (Be), strontium (Sr), magnesium (Mg), lithium (Li), or combinations thereof; and the second layer including: lanthanum (La), boron (B), lutetium (Lu), aluminum (Al), deuterium (D), cerium (Ce), uranium (U), praseodymium (Pr), yttrium (Y), silicon (Si), iridium (Ir), carbon (C), thorium (Th), scandium (Sc), titanium (Ti), vanadium (V), phosphorus (P), barium (Ba), europium (Eu), or combinations thereof.
Type:
Application
Filed:
October 15, 2018
Publication date:
February 14, 2019
Inventors:
Justin Brons, Tong Zhao, Yuhang Cheng, Dimitar V. Dimitrov
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