The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 31, 2018
Filed:
Jul. 31, 2017
Seagate Technology Llc, Cupertino, CA (US);
Martin Blaber, Plymouth, MN (US);
Michael A. Seigler, Eden Prairie, MN (US);
Michael C. Kautzky, Eagan, MN (US);
Tong Zhao, Eden Prairie, MN (US);
Justin Brons, Savage, MN (US);
John C. Duda, Bloomington, MN (US);
Yuhang Cheng, Edina, MN (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
Devices having air bearing surfaces (ABS), the devices include 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 the disc includes a disc material and the peg includes a peg material, wherein the disc material is different from the peg material and wherein the disc material has a first real part of the permittivity and a peg material has a second real part of the permittivity and the second real part of the permittivity is not greater than the first real part of the permittivity.