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:
Apr. 29, 2003
Filed:
Jan. 29, 2001
Applicant:
Inventors:
Jean-Baptiste Albertini, Grenoble, FR;
Pierre Gaud, Coublevie, FR;
Gérard Barrois, Le Fontanil, FR;
Henri Sibuet, Le Fontanil, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/00 ; G11B 5/127 ; G11B 5/31 ; G11B 5/33 ; G11B 5/187 ;
U.S. Cl.
CPC ...
G11B 5/00 ; G11B 5/127 ; G11B 5/31 ; G11B 5/33 ; G11B 5/187 ;
Abstract
A process for collectively making integrated magnetic heads with a bearing surface obtained by photolithography. According to the process, on a wafer is deposited a plurality of heads, a mask defining the profile of the bearing surfaces and the wafer is collectively engraved in the vicinity of the pole pieces of the heads. Such a process may find particular application to the making of magnetic heads.