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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.:

US 9208800 B1

PDFFull Text
Date of Patent:
Dec. 08, 2015

Filed:

Jul. 25, 2014

Recording head with dual coil/dual shield arrangement and high frequency oscillator

Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Tomoko Taguchi, Tokyo, JP;

Yusuke Tomoda, Zama Kanagawa, JP;

Assignee:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Attorney:

Patterson & Sheridan, LLP

Primary Examiner:

Craig A Renner

Int. Cl.
CPC ...
G11B 5/17 (2006.01); G11B 5/11 (2006.01); G11B 5/235 (2006.01); G11B 5/31 (2006.01); G11B 5/127 (2006.01); G11B 19/247 (2006.01); G11B 5/00 (2006.01);
U.S. Cl.
CPC ...
G11B 5/3116 (2013.01); G11B 5/1278 (2013.01); G11B 5/3123 (2013.01); G11B 19/247 (2013.01); G11B 2005/0024 (2013.01);
Abstract

According to one embodiment, a recording head includes a main pole, a trailing shield including a first connecting portion and a second connecting portion, and configured to form together with the main pole a first magnetic core, a leading shield including a first connecting portion connected to the main pole through a magnetic material and an end portion opposing to the end portion of the main pole through a non-magnetic material, and configured to form together with the main pole a second magnetic core, and first and second coils wound around the first and second magnetic cores, and a connection terminal configured to flow a current through the main pole, non-magnetic conductive layer, and trailing shield.

Find Patent Forward Citations

Taguchi, Tomoko. (2015). Recording head with dual coil/dual shield arrangement and high frequency oscillator (U.S. Patent No. 9208800). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9208800

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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