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. 29, 2008
Filed:
Apr. 21, 2004
Applicants:
Lijie Guan, Milpitas, CA (US);
Yaw Shing Tang, Saratoga, CA (US);
Hung Liang HU, Los Altos, CA (US);
Inventors:
Lijie Guan, Milpitas, CA (US);
Yaw Shing Tang, Saratoga, CA (US);
Hung Liang Hu, Los Altos, CA (US);
Assignee:
Headway Technologies, Inc., Milpitas, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B11B 5/187 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for reducing fringe field effects of a main write pole by shielding it on all four sides, with the regular return pole also serving as the leading edge shield, is described. The main pole may also be tapered and the leading edge and side shields may be magnetically connected to each other.