Patent · US Active

Near field transducers including copper based alloys

US10916262B1 · kind B1 · utility

5Cited by
5References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 2019
Grant dateFeb 9, 2021
Priority date
Expiry dateDec 23, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2005/0021
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A device including a near field transducer, the near field transducer including a near field transducer, the near field transducer comprising a copper (Cu) alloy of the formula Cu1−zXz, where z ranges from 0.001 to 0.9 and X is selected from aluminum (Al), cobalt (Co), chromium (Cr), erbium (Er), iron (Fe), gold (Au), hafnium (Hf), iridium (Ir), molybdenum (Mo), nickel (Ni), palladium (Pd), platinum (Pt), rhenium (Re), rhodium (Rh), ruthenium (Ru), silicon (Si), tin (Sn), tantalum (Ta), tellurium (Te), titanium (Ti), tungsten (W), yttrium (Y), zinc (Zn), zirconium (Zr), or combinations thereof.

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