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:
May. 19, 1992
Filed:
Aug. 23, 1990
Applicant:
Inventors:
Jean-Marc Fedeli, Beaucroissant, FR;
Hubert Moriceau, St. Egreve, FR;
Viviane Muffato, Vif, FR;
Marie-Helene Vaudaine, Seyssins, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
29603 ; 360119 ; 360125 ; 427131 ;
Abstract
Process for producing a magnetic head with an appropriately oriented easy axis of magnetization and head obtained by this process. According to the invention, a large magnetic pattern (52) is formed around a spacer and then said pattern is etched in order to give it the desired shape. In the narrow horizontal branch, the easy axis of magnetization is oriented parallel to the air gap. Application to magnetic recording.