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:
Sep. 30, 2014
Filed:
Sep. 28, 2010
Mark Thomas Kief, Lakeville, MN (US);
Alexandru Cazacu, Derry, IE;
Kaizhong Gao, Eden Prairie, MN (US);
Mark Anthony Gubbins, Letterkenny, IE;
Ibro Tabakovic, Edina, MN (US);
Christina Laura Hutchinson, Eden Prairie, MN (US);
David Christopher Seets, Excelsior, MN (US);
James Gary Wessel, Savage, MN (US);
Mark Thomas Kief, Lakeville, MN (US);
Alexandru Cazacu, Derry, IE;
Kaizhong Gao, Eden Prairie, MN (US);
Mark Anthony Gubbins, Letterkenny, IE;
Ibro Tabakovic, Edina, MN (US);
Christina Laura Hutchinson, Eden Prairie, MN (US);
David Christopher Seets, Excelsior, MN (US);
James Gary Wessel, Savage, MN (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
A perpendicular write head, the write head having an air bearing surface, the write head including a magnetic write pole, wherein at the air bearing surface, the write pole has a trailing side, a leading side that is opposite the trailing side, and first and second sides; side gaps, wherein the side gaps are proximate the write pole along the first and second side edges; and side shields proximate the side gaps, wherein the side shields have gap facing surfaces and include at least one set of alternating layers of magnetic and non-magnetic materials, wherein only one kind of material makes up the gap facing surfaces at the air bearing surfaces.