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:
Jun. 08, 1999
Filed:
Oct. 30, 1996
Applicant:
Inventors:
Takeshi Miyazaki, Hitachi, JP;
Yasutaka Suzuki, Jyuou-machi, JP;
Hiroshi Tomishima, Kawamoto-machi, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Metals, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360103 ; 360127 ;
Abstract
A magnetic disk recording device having a continuous medium type magnetic disk and a magnetic head slider, wherein the magnetic head slider is formed of a sintered body essentially consisting of titanium oxide as the major component thereof and at least one selected from the group consisting of Y, Yb, Nb, Mg, Er, Fe, Cr, Zr and Al in an amount of from 2 atm % to 50 atm % with respect to the titanium oxide, whereby a higher recording density is realized while maintaining a higher reliability of the device over long time span.