Patent · US Active

Devices including a near field transducer (NFT) with nanoparticles

US10510364B2 · kind B2 · utility

1Cited by

70References

15Claims

0Family size

Assignee

Seagate Technology LLC · US

Inventors

Tong Zhao · Eden Prairie, US
Justin Brons · Bloomington, US
Steven C. Riemer · Minneapolis, US
Michael C. Kautzky · Eagan, US
Xiaoyue Huang · Edina, US
Sarbeswar Sahoo · Shakopee, US

Key dates

Filing date	Nov 9, 2015
Grant date	Dec 17, 2019
Priority date	—
Expiry date	Nov 13, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG11B2005/0021
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.