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. 08, 1992
Filed:
May. 30, 1991
Applicant:
Inventors:
Tetsuya Iwata, Nagaoka, JP;
Yutaka Sakurai, Nagaoka, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360126 ;
Abstract
A thin film magnetic head of the present invention comprises an insulating layer and a protective layer both of which are made of a magnetic material or a nonmagnetic material containing a magnetic material so as to inhibit the contour effect which is a trouble in making an attempt to increase the recording density.
Iwata, Tetsuya. (1992). Thin film magnetic head (U.S. Patent No. 5146379). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5146379
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile