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:
Oct. 27, 2015

Filed:

Feb. 18, 2014
Applicants:

Yoshitaka Sasaki, Santa Clara, CA (US);

Hiroyuki Ito, Milpitas, CA (US);

Shigeki Tanemura, Milpitas, CA (US);

Kazuki Sato, Milpitas, CA (US);

Tatsuya Shimizu, Hong Kong, CN;

Inventors:

Yoshitaka Sasaki, Santa Clara, CA (US);

Hiroyuki Ito, Milpitas, CA (US);

Shigeki Tanemura, Milpitas, CA (US);

Kazuki Sato, Milpitas, CA (US);

Tatsuya Shimizu, Hong Kong, CN;

Assignees:

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

SAE MAGNETICS (H.K.) LTD., Hong Kong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01); G11B 5/31 (2006.01); G11B 21/12 (2006.01); G11B 5/00 (2006.01);
U.S. Cl.
CPC ...
G11B 5/1278 (2013.10); G11B 5/3133 (2013.01); G11B 5/3136 (2013.01); G11B 5/315 (2013.01); G11B 21/12 (2013.01); G11B 2005/0021 (2013.01);
Abstract

A magnetic head includes a medium facing surface, a read head unit, a write head unit, and a protrusion device. The protrusion device causes part of the medium facing surface to protrude toward a recording medium. The read head unit has a first end face located in the medium facing surface and includes a first contact sensor for detecting contact of the first end face with the recording medium. The write head unit has a second end face located in the medium facing surface and includes a second contact sensor for detecting contact of the second end face with the recording medium. The first end face and the second end face are located at positions different from each other in a direction of travel of the recording medium.


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