Patent · US Active

Optical reflectors for use with a near-field transducer

US9837112B2 · kind B2 · utility

3Cited by

7References

19Claims

0Family size

Assignee

Seagate Technology LLC · US

Inventors

Ruoxi Yang · Plymouth, US
James Gary Wessel · Savage, US
Rachel Frakie · Bloomington, US
Chubing Peng · Eden Prairie, US
Werner Scholz · Duisburg, DE
Chris Rea · Palo Alto, US
Zoran Jandric · St. Louis Park, US
Mourad Benakli · Eden Prairie, US
Tae-Woo Lee · Seoul, KR

Key dates

Filing date	May 12, 2015
Grant date	Dec 5, 2017
Priority date	—
Expiry date	May 12, 2035

Classification

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

Abstract

An apparatus is includes a near field transducer positioned adjacent a media-facing surface and at the end of a waveguide having at least one core layer and a cladding layer. The apparatus also includes at least one optical reflector positioned adjacent opposing cross-track edges of the near field transducer and/or adjacent a down-track side of the near-field transducer.

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