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. 15, 2004
Filed:
Jan. 16, 2001
Applicant:
Inventors:
Hisayuki Yazawa, Niigata-ken, JP;
Naoki Sakatsume, Niigata-ken, JP;
Yoshihiro Kanada, Niigata-ken, JP;
Assignee:
Alps Electric Company Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 ; G11B 5/11 ;
U.S. Cl.
CPC ...
G11B 5/39 ; G11B 5/11 ;
Abstract
An upper shield layer includes a Ni—Fe alloy underlying film formed by sputtering deposition, and a Ni—Fe alloy plating film formed on the underlying film by electroplating. The Fe composition ratio distribution of the upper shield layer in the thickness direction ranges from 17 to 19% by weight.
Yazawa, Hisayuki. (2004). Thin film magnetic head comprising magnetoresistive element having shield layer formed by plating and method of manufacturing the thin film magnetic head (U.S. Patent No. 6751071). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6751071
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile