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:
Jan. 11, 2011
Filed:
Apr. 27, 2005
Tao Pan, San Jose, CA (US);
Kroum S. Stoev, Pleasanton, CA (US);
Yugang Wang, Milpitas, CA (US);
Jack M. Chue, Los Altos, CA (US);
Tao Pan, San Jose, CA (US);
Kroum S. Stoev, Pleasanton, CA (US);
Yugang Wang, Milpitas, CA (US);
Jack M. Chue, Los Altos, CA (US);
Western Digital (Fremont), LLC, Fremont, CA (US);
Abstract
A perpendicular recording head is provided having a bottom pole, a writer pole disposed above the bottom pole, and a top shield disposed above the writer pole. The bottom pole and the top shield are both magnetically coupled to the writer pole. The writer pole includes a concave facing surface that faces the top shield. The top shield can include a convex surface that faces the writer pole. The top shield can also include a pedestal that protrudes towards the writer pole.