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. 30, 2002
Filed:
Aug. 03, 1999
Applicant:
Inventors:
Assignee:
NEC Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/66 ; G11B 5/77 ; B32B 7/02 ;
U.S. Cl.
CPC ...
G11B 5/66 ; G11B 5/77 ; B32B 7/02 ;
Abstract
The present invention provides a perpendicular magnetic recording medium having a perpendicular magnetization film formed on a substrate , wherein a high perpendicular orientation film having higher perpendicular orientation than that of the perpendicular magnetization film is formed over or/and under the perpendicular magnetization film