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.

Date of Patent:
Nov. 16, 1999

Filed:

Oct. 21, 1997
Applicant:
Inventors:

Chiaki Okuyama, Kawasaki, JP;

Kenji Sato, Kawasaki, JP;

Iwao Okamoto, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 55 ; 360126 ; 360110 ;
Abstract

A magnetic recording method employing a magnetic head and a magnetic recording medium, wherein the size (H.sub.n) of the magnetic field which gives the maximum differential for the direct current remanance curve of the magnetic recording medium and the intensity (H.sub.head) of the recording magnetic field of the magnetic head at the track center position are in the relationship: H.sub.head /2.ltoreq.H.sub.n .ltoreq.H.sub.head, and the maximum value for the magnetic interaction between magnetic particles of the magnetic recording medium (.delta.M) is less than 0.3.


Find Patent Forward Citations

Okuyama, Chiaki. (1999). Magnetic recording method and device (U.S. Patent No. 5986836). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5986836

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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