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:
Jun. 29, 2021

Filed:

Oct. 13, 2020
Applicants:

Yukinori Ikegawa, Milpitas, CA (US);

Yoshitaka Sasaki, Los Gatos, CA (US);

Hiroyuki Ito, Milpitas, CA (US);

Shigeki Tanemura, Milpitas, CA (US);

Yoji Nomura, Milpitas, CA (US);

Inventors:

Yukinori Ikegawa, Milpitas, CA (US);

Yoshitaka Sasaki, Los Gatos, CA (US);

Hiroyuki Ito, Milpitas, CA (US);

Shigeki Tanemura, Milpitas, CA (US);

Yoji Nomura, Milpitas, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 (2006.01); G11B 5/48 (2006.01); G11B 5/187 (2006.01); G11B 5/00 (2006.01);
U.S. Cl.
CPC ...
G11B 5/3909 (2013.01); G11B 5/1875 (2013.01); G11B 5/4866 (2013.01); G11B 2005/0021 (2013.01); G11B 2005/3996 (2013.01);
Abstract

A near-field light generator includes a plasmon generator including a plasmon exciting portion on which a surface plasmon is excited, and a near-field transducer including a front end face that generates near-field light from the surface plasmon. The near-field transducer is formed of a first metal material. The plasmon generator includes a first portion formed of the first metal material and a second portion formed of a second metal material. The first portion is in contact with the near-field transducer. The second portion includes at least part of the plasmon exciting portion.


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