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. 26, 2000
Filed:
Jun. 10, 1998
Applicant:
Inventors:
Masayuki Takagishi, Mishima-gun, JP;
Shin-ichi Akoh, Mishima-gun, JP;
Daisuke Iitsuka, Mishima-gun, JP;
Assignee:
Read-Rite SMI Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
360317 ; 360122 ; 360126 ;
Abstract
A composite type thin-film magnetic head. In one embodiment, a projection is formed on a second magnetic film layer of a composite type thin-film magnetic head. The position where this projection is formed is the area where a second magnetic film layer and third magnetic film layer face each other across a gap film layer. A width b of the projection is smaller than a width a of the third magnetic layer film.