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Title:
METHOD AND DEVICE FOR ORIENTING MAGNETIC FIELD OF MAGNETIC RECORDING MEDIUM AND INTRA-SURFACE MAGNETIC RECORDING MEDIUM
Document Type and Number:
Japanese Patent JPH02223019
Kind Code:
A
Abstract:

PURPOSE: To obtain the magnetic recording medium having high output and high S/N by obtaining the magnetic lines of force having the intra-surface recording direction component of a magnetic coated film by a Meissner effect.

CONSTITUTION: The interaction of the magnetic lines of force which are different in the direction and are generated from a magnet 3 and the Meissner effect of a superconductor 100 is used. Namely, the magnetic lines of force generated from the magnet 3 are directed to the direction nearly parallel with a certain plane by the interaction of the magnetic lines of force generated from the magnet 3 and the Meissner effect of the superconductor 100 between the magnet 3 and the superconductor 100 when both are disposed to face each other. The magnetic recording medium is, therefore, disposed in parallel with the plane near this plane and magnetic powder is subjected to the magnetic field orientation by the magnetic lines of force. The magnetic recording medium having the excellent magnetic field orientability and the high S/N is obtd. in this way.


Inventors:
CHIBA KATSUYOSHI
KATSUMOTO MASAYUKI
KAMISAKA YASUTARO
ISHIHARA HEIGO
KODAMA NAOKI
FUKUYA HAJIME
AKIYAMA IWAO
SUGANUMA YASUO
Application Number:
JP28296589A
Publication Date:
September 05, 1990
Filing Date:
November 01, 1989
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
G11B5/66; C09D5/23; C09D161/04; C09D161/06; C09D163/00; G11B5/845; (IPC1-7): G11B5/66; G11B5/845
Attorney, Agent or Firm:
Katsuo Ogawa (1 person outside)