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. 20, 2015
Filed:
May. 13, 2013
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Laurent A. Dellmann, Rueschlikon, CH;
Johan B. C. Engelen, Rueschlikon, CH;
Simeon Furrer, Rueschlikon, CH;
Mark A. Lantz, Rueschlikon, CH;
Hugo E. Rothuizen, Rueschlikon, CH;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/265 (2006.01); G11B 5/008 (2006.01); G11B 5/17 (2006.01); G11B 5/31 (2006.01); G11B 5/592 (2006.01);
U.S. Cl.
CPC ...
G11B 5/265 (2013.01); G11B 5/00826 (2013.01); G11B 5/17 (2013.01); G11B 5/3123 (2013.01); G11B 5/5928 (2013.01);
Abstract
A write head comprising a yoke having at least a first and a second gap and a coil for producing a magnetic field at each gap, the coil comprising a plurality of windings, wherein the windings are arranged so as to produce the same magnetic field strength at each gap and/or along each gap by use of a proximity effect between the windings and a respective gap.