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. 13, 2004
Filed:
Oct. 19, 2001
Applicant:
Inventors:
Toru Katakura, Miyagi, JP;
Takuji Matsuo, Miyagi, JP;
Eiji Nakashio, Miyagi, JP;
Junichi Sugawara, Miyagi, JP;
Seiji Onoe, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 ;
U.S. Cl.
CPC ...
G11B 5/39 ;
Abstract
The part of an MR element which lies close to a medium-facing surface overlaps that part of a flux-guiding element which lies remote from the medium-facing surface , with a second gap film interposed between the elements and Further, the MR element overlaps the flux-guiding element for a distance that falls within a range of 15 to 25% of the length of the MR height of the element as measured in a direction perpendicular to the medium-facing surface