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:
Aug. 22, 2017

Filed:

Feb. 23, 2016
Applicant:

Headway Technologies, Inc., Milpitas, CA (US);

Inventors:

Yoshitaka Sasaki, Los Gatos, CA (US);

Hiroyuki Ito, Milpitas, CA (US);

Shigeki Tanemura, Milpitas, CA (US);

Hideo Mamiya, Milpitas, CA (US);

Seiichiro Tomita, Milpitas, CA (US);

Hironori Araki, Milpitas, CA (US);

Assignee:

HEADWAY TECHNOLOGIES, INC., Milpitas, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 11/00 (2006.01); G11B 5/48 (2006.01); G11B 5/127 (2006.01); G11B 5/00 (2006.01); G11B 5/31 (2006.01); G11B 5/60 (2006.01); G11B 7/1387 (2012.01);
U.S. Cl.
CPC ...
G11B 5/4866 (2013.01); G11B 5/1272 (2013.01); G11B 5/314 (2013.01); G11B 5/6088 (2013.01); G11B 7/1387 (2013.01); G11B 2005/001 (2013.01); G11B 2005/0005 (2013.01); G11B 2005/0021 (2013.01);
Abstract

A thermally-assisted magnetic recording head includes a main pole and a plasmon generator. The plasmon generator includes a first material portion and a second material portion formed of different materials. The first material portion is located away from the medium facing surface. The second material portion includes a near-field light generating surface. The main pole has a front end face including a first end face portion and a second end face portion. The near-field light generating surface, the first end face portion and the second end face portion are arranged in this order along the direction of travel of a recording medium.


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