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:
Mar. 16, 2004
Filed:
Jan. 19, 2001
Applicant:
Inventors:
Shinichi Takahashi, Kawasaki, JP;
Koki Kanda, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 3/10 ;
U.S. Cl.
CPC ...
B22F 3/10 ;
Abstract
The present invention relates to a substrate for a magnetic recording medium that ensures a floating height on a magnetic head. This substrate is made of a sintered body provided with pores having a diameter in the range of 0.05 &mgr;m to 2.0 &mgr;m extending across 5% to 50% of the surface area of the substrate.