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:
Jul. 05, 2016
Filed:
Sep. 28, 2015
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
Jiaoming Qiu, Maple Grove, MN (US);
Lei Lu, Bloomington, MN (US);
Xuelian Xu, Eden Prairie, MN (US);
Assignee:
SEAGATE TECHNOLOGY LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/147 (2006.01); G11B 5/60 (2006.01); G11B 5/127 (2006.01);
U.S. Cl.
CPC ...
G11B 5/6082 (2013.01); G11B 5/1272 (2013.01); G11B 5/1278 (2013.01); G11B 5/147 (2013.01);
Abstract
A write head having a write pole with a tip portion defining a pole tip and a paddle portion extending from the tip portion away from the pole tip, the paddle portion defining a back edge. The write head also has a coil structure having at least two active turns crossing the paddle portion, wherein a back of the coil structure is no more than 1 micrometer past the back edge of the write pole. In some implementations, a length from the pole tip to the back edge is no more than 4.5 micrometers.