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:
Jun. 06, 2006
Filed:
Jan. 30, 2004
Applicants:
Eiji Nakashio, Miyagi, JP;
Seiji Onoe, Miyagi, JP;
Junichi Sugawara, Miyagi, JP;
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a magnetic tunnel effect type magnetic headhaving a magnetic tunnel junction elementsandwiched with conductive gap layersandbetween a pair of magnetic shielding layersand, the conductive gap layersandare formed from at least one nonmagnetic metal layer containing a metal element selected from Ta, Ti, Cr, W, Mo, V, Nb and Zr. Therefore, the magnetic headcan have an improved face opposite to a magnetic recording medium.