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:
Jul. 17, 2007
Filed:
Mar. 27, 2003
Applicants:
Shoichi Suda, Kawasaki, JP;
Masayuki Takeda, Kawasaki, JP;
Keiji Watanabe, Kawasaki, JP;
Inventors:
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01);
U.S. Cl.
CPC ...
Abstract
A manufacturing method of a magnetic head includes a process for forming a lift-off mask pattern on a magnetoresistance effect element, such that the upper part of the lift-off mask pattern is larger in size than the lower part, a process for forming a couple of electrodes on the magnetoresistance effect element using the lift-off mask pattern as a mask, and a process for removing the lift-off mask pattern. The process for forming the lift-off mask pattern is performed according to a dry etching process.