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:
Aug. 21, 2001
Filed:
Mar. 10, 2000
Applicant:
Inventor:
Naoyuki Okamoto, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 ; G11B 5/147 ;
U.S. Cl.
CPC ...
B32B 9/00 ; G11B 5/147 ;
Abstract
The thin film magnetic head substrate of this invention includes an alumina titanium carbide base plate and an aluminum oxide layer formed on the alumina titanium carbide base plate. The alumina titanium carbide base plate has a surface modified layer in a surface portion facing the aluminum oxide layer, and the surface modified layer includes aluminum titanate.