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US 9,281,002 B2Granted
Materials for near field transducers and near field transducers containing same
AssigneeSeagate Technology LLC
InventorsJustin Glen Brons, Tong Zhao, Sethuraman Jayashankar, Steve C. Riemer, Michael C. Kautzky
Life of this patent
Estimating the term…
Abstract
Disclosed herein are near field transducers (NFTs) that include either silver, copper, or aluminum and one or more secondary elements.
Claims20
A device comprising:
- a near field transducer, the near field transducer comprising silver (Ag) and at least one other secondary element, the at least one other secondary element chosen from the group consisting of:
- sodium (Na), thallium (Tl), bismuth (Bi), lead (Pb), potassium (K), cesium (Cs), rubidium (Rb), beryllium (Be), boron (B), manganese (Mn), or combinations thereof;
- and
- strontium (Sr), calcium (Ca), scandium (Sc), carbon (C), yttrium (Y), thorium (Th), antimony (Sb), lutetium (Lu), thulium (Tm), erbium (Er), holmium (Ho), ytterbium (Yb), gadolinium (Gd), samarium (Sm), promethium (Pm), praseodymium (Pr), sulfur (S), neodymium (Nd), phosphorus (P), cerium (Ce), lanthanum (La), nitrogen (N), oxygen (O), and combinations thereof.
1 more element
A device comprising:
- a near field transducer, the near field transducer comprising copper (Cu) and at least one other secondary element, the at least one other secondary element chosen from the group consisting of:
- cadmium (Cd), mercury (Hg), indium (In), antimony (Sb), sodium (Na), thallium (Tl), potassium (K), cesium (Cs), rubidium (Rb), bismuth (Bi), lead (Pb), or combinations thereof.
A device comprising:
- a near field transducer, the near field transducer comprising aluminum (Al) and at least one other secondary element, the at least one other secondary element chosen from the group consisting of:
- boron (B), beryllium (Be), antimony (Sb), mercury (Hg), indium (In), lead (Pb), bismuth (Bi), thallium (Tl), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), or combinations thereof.
Dependencies are inferred from the claim text.