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.

Date of Patent:
Dec. 31, 2019

Filed:

Jan. 29, 2019
Applicant:

Seagate Technology Llc, Cupertino, CA (US);

Inventors:

Tong Zhao, Eden Prairie, MN (US);

Michael C. Kautzky, Eagan, MN (US);

Sarbeswar Sahoo, Shakopee, MN (US);

Justin Brons, Savage, MN (US);

Jie Gong, Eden Prairie, MN (US);

Yuhang Cheng, Edina, MN (US);

Assignee:

Seagate Technology LLC, Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 11/105 (2006.01); C23C 14/58 (2006.01); G11B 5/31 (2006.01); G11B 5/00 (2006.01); G11B 5/60 (2006.01);
U.S. Cl.
CPC ...
C23C 14/5806 (2013.01); G11B 5/314 (2013.01); C23C 14/582 (2013.01); G11B 5/3143 (2013.01); G11B 5/3163 (2013.01); G11B 5/6088 (2013.01); G11B 2005/0021 (2013.01);
Abstract

Devices having an air bearing surface (ABS), the device including a near field transducer, the near field transducer having a peg and a disc, the peg having a region adjacent the ABS, the peg including a plasmonic material selected from gold (Au), silver (Ag), copper (Cu), ruthenium (Ru), rhodium (Rh), aluminum (Al), or combinations thereof; and at least one other secondary atom selected from germanium (Ge), tellurium (Te), aluminum (Al), antimony (Sb), tin (Sn), mercury (Hg), indium (In), zinc (Zn), iron (Fe), copper (Cu), manganese (Mn), silver (Ag), chromium (Cr), cobalt (Co), and combinations thereof, wherein a concentration of the secondary atom is higher at the region of the peg adjacent the ABS than a concentration of the secondary atom throughout the bulk of the peg. Methods of forming NFTs are also disclosed.


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