Patents Assigned to Alps Electric Company Co., Ltd. - Justia Patents Search

Patents Assigned to Alps Electric Company Co., Ltd.

Thin film magnetic head comprising magnetoresistive element having shield layer formed by plating and method of manufacturing the thin film magnetic head

Patent number: 6751071

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.

Type: Grant

Filed: January 16, 2001

Date of Patent: June 15, 2004

Assignee: Alps Electric Company Co., Ltd.

Inventors: Hisayuki Yazawa, Naoki Sakatsume, Yoshihiro Kanada