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:
Aug. 07, 2018
Filed:
Mar. 25, 2016
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Koji Shimazawa, Tokyo, JP;
Tsutomu Chou, Tokyo, JP;
Yoshihiro Tsuchiya, Tokyo, JP;
Kosuke Tanaka, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01); G11B 5/48 (2006.01); G11B 5/00 (2006.01); G11B 5/012 (2006.01);
U.S. Cl.
CPC ...
G11B 5/4866 (2013.01); G11B 5/127 (2013.01); G11B 5/012 (2013.01); G11B 2005/0021 (2013.01);
Abstract
A plasmon generator generates surface plasmon and generates near-field light from the surface plasmon at a distal end surface situated on an air bearing surface facing a magnetic recording medium. The plasmon generator has a first portion including the distal end surface, a second portion situated away from the air bearing surface, and a separating layer situated between the first portion and the second portion and separating the first portion from the second portion.