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:
Feb. 13, 2024
Filed:
Jun. 16, 2022
Applicant:
Seagate Technology Llc, Fremont, CA (US);
Inventors:
Yuhang Cheng, Edina, MN (US);
Tae-Woo Lee, Eden Prairie, MN (US);
Michael A Seigler, Eden Prairie, MN (US);
Yang Wu, Minneapolis, MN (US);
Assignee:
Seagate Technology LLC, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 13/08 (2006.01); G11B 5/31 (2006.01); G11B 5/48 (2006.01); G11B 5/60 (2006.01); G11B 5/00 (2006.01);
U.S. Cl.
CPC ...
G11B 13/08 (2013.01); G11B 5/314 (2013.01); G11B 5/4866 (2013.01); G11B 5/6088 (2013.01); G11B 2005/0021 (2013.01);
Abstract
A heat-assisted magnetic recording head comprises a near-field transducer (NFT). The NFT comprises a near-field emitter configured to heat a surface of a magnetic disk, and a hybrid plasmonic disk. The hybrid plasmonic disk comprises a plasmonic region and a thermal region. The plasmonic region comprises a first material or alloy that is a plasmonic material or alloy. The thermal region comprises a second material or alloy that is different than the first material or alloy.