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:
May. 05, 2020
Filed:
Feb. 13, 2018
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
Jianhua Xue, Maple Grove, MN (US);
Yan Dong, Chanhassen, MN (US);
Gregory P. Wakeham, Bloomington, MN (US);
Yong Luo, Plymouth, MN (US);
Wei Tian, Eden Prairie, MN (US);
Assignee:
SEAGATE TECHNOLOGY LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/31 (2006.01); G11B 5/127 (2006.01);
U.S. Cl.
CPC ...
G11B 5/3116 (2013.01); G11B 5/1278 (2013.01); G11B 5/315 (2013.01);
Abstract
A write head having a write pole tip. The write pole tip includes a bearing surface and a sidewall extending from the bearing surface to a rear end of the write pole tip. The sidewall has a first shape (e.g., a straight-line sidewall shape) substantially at the bearing surface and a second shape (e.g., a multi-segment sidewall shape or a curved sidewall shape) between the bearing surface and the rear end.