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:
Dec. 18, 1984
Filed:
Dec. 02, 1981
Applicant:
Inventor:
Fred S Lee, Oklahoma City, OK (US);
Assignee:
Magnex Corporation, Oklahoma City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; H01F / ;
U.S. Cl.
CPC ...
427123 ; 29603 ; 4271264 ; 427131 ; 427265 ;
Abstract
A thin film magnetic head is disclosed which includes a substrate, a first layer of magnetic material having a first offset portion, a second layer of magnetic material having a second offset portion overlying the first offset portion, and a layer of conductor material disposed within the cavity defined by the two offset portions. In one embodiment the offset portion of the first magnetic layer is disposed within a recess in the substrate. In a second embodiment the offset portion of the first magnetic layer is disposed between two insulation layers mounted along the top surface of the substrate.