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:
Dec. 24, 2013

Filed:

Nov. 07, 2011
Applicants:

Cherng-chyi Han, San Jose, CA (US);

Lijie Guan, San Jose, CA (US);

Joe Smyth, Aptos, CA (US);

Moris Dovek, San Jose, CA (US);

Inventors:

Cherng-Chyi Han, San Jose, CA (US);

Lijie Guan, San Jose, CA (US);

Joe Smyth, Aptos, CA (US);

Moris Dovek, San Jose, CA (US);

Assignee:

Headway Technologies, Inc., Milpitas, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01);
U.S. Cl.
CPC ...
Abstract

A PMR head comprises a substrate, a magnetic pole formed over the substrate, the pole having a pole tip having a cross-sectional tapered shape wherein the pole tip is surrounded by a write gap layer, an integrated shield comprising side shields on the substrate laterally surrounding the pole tip and a trailing shield overlying the pole tip and integral with the side shields.


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