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.:

US 8797681 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 05, 2014

Filed:

Mar. 12, 2013
Applicant:

Imation Corp., Oakdale, MN (US);

Inventor:

Stephen J. Rothermel, Roseville, MN (US);

Assignee:

Imation Corp., Oakdale, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/17 (2006.01); G11B 5/265 (2006.01); G11B 5/29 (2006.01);
U.S. Cl.
CPC ...
Abstract

An assembly comprises a plurality of laterally spaced front blocks, a magnetic post coupling each of the front blocks to a common back bar, and a common front bar magnetically coupled to the back bar. A write gap spacer is positioned between the front bar and each of the plurality of front blocks, and a write gap element comprising write gaps couples the front bar to each front block across the write gap spacer. A coil is configured to generate magnetic flux in each magnetic post, and the front blocks are configured to direct the magnetic flux across the write gaps.


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