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:
Apr. 12, 2016
Filed:
Nov. 06, 2013
Applicant:
Hgst Netherlands B.v., Amsterdam, NL;
Inventors:
Kenichiro Takahashi, Fujisawa, JP;
Junguo Xu, Kasumigaura, JP;
Jianhua Li, Kanagawa, JP;
Masaru Furukawa, Kanagawa, JP;
Assignee:
HGST NETHERLANDS B.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/00 (2006.01); G11B 5/60 (2006.01);
U.S. Cl.
CPC ...
G11B 5/6076 (2013.01); G11B 2005/0024 (2013.01);
Abstract
Embodiments of the present invention generally relate to a MAMR head. The MAMR head includes an STO and an embedded contact sensor (ECS). The STO and the ECS are electrically connected in series and are connected to the same terminals. During operation, the current applied to the STO is controlled with respect to a change in resistance of the ECS.