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:
Jan. 07, 2003
Filed:
Nov. 23, 1999
Applicant:
Inventors:
Koichi Mukasa, Sapporo, JP;
Soshin Chikazumi, Niiza, JP;
Eichi Hirota, Hirakata, JP;
Ryosho Nakane, Sapporo, JP;
Makoto Sawamura, Sapporo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/02 ;
U.S. Cl.
CPC ...
G11B 5/02 ;
Abstract
To provide a magnetic recording method and apparatus which utilize a spin vortex as a recording unit and which enables high density recording, spin vortices ( ) are recorded on a recording medium ( ) such that the spin vortices ( ) are aligned to form a recording track ( ). The recording medium ( ) is formed of a magnetic super-thin film, and positive and negative recorded spin vortices ( ) are aligned thereon.