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:
Oct. 01, 2019
Filed:
Jan. 08, 2018
Seagate Technology Llc, Cupertino, CA (US);
Martin Blaber, Plymouth, MN (US);
Tong Zhao, Eden Prairie, MN (US);
Michael C. Kautzky, Eagan, MN (US);
Justin Brons, Savage, MN (US);
John C. Duda, Bloomington, MN (US);
Yuhang Cheng, Edina, MN (US);
Michael A. Seigler, Eden Prairie, MN (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
Devices that have an air bearing surface (ABS), the device includes 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 that includes gold or an alloy thereof and the peg includes a peg material, wherein the disc material is different from the peg material and wherein the peg material has a real part of the permittivity that is not greater than that of gold.