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:
Jan. 26, 1999
Filed:
Nov. 04, 1996
Applicant:
Inventors:
Pierre Dutertre, La Riviere, FR;
Jean-Pierre Lazzari, Corenc, FR;
Assignees:
Commissariat a l'Energie Atomique, Paris, FR;
Silmag Societe Anonyme, Saint-Engreve Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
B44C / ;
U.S. Cl.
CPC ...
216 27 ; 216 22 ; 216 38 ;
Abstract
Process for making a plane magnetic head and magnetic head obtained by this process. A hard protective layer surrounds polar parts. The non-magnetic spacer and polar parts are flush with the level of this protective layer. This layer is preferably made of diamond like carbon.