MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE DEVICE USING THE SAME

PROBLEM TO BE SOLVED: To provide a magnetic recording medium wherein high density recording can be performed by reducing a correlation between adjacent tracks or erasure between adjacent tracks due to an in-plane magnetization layer between a perpendicular magnetic recording film and a backing layer...

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Bibliographische Detailangaben
Hauptverfasser:	YAMANAKA HIDEAKI, FUJITA SHIOJI, MATSUNUMA SATORU, KANDA TETSUNORI
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a magnetic recording medium wherein high density recording can be performed by reducing a correlation between adjacent tracks or erasure between adjacent tracks due to an in-plane magnetization layer between a perpendicular magnetic recording film and a backing layer formed when the in-plane magnetization layer is formed between the backing layer and the perpendicular magnetic recording film and to provide a magnetic storage device. SOLUTION: In the magnetic recording medium having a soft magnetic backing layer directly or indirectly on a non-magnetic substrate having a disk-like shape, the in-plane magnetization layer formed directly or indirectly on the soft magnetic backing layer and a perpendicular magnetization layer directly or indirectly on the in-plane magnetization layer, a fine circular trace is formed on the non-magnetic substrate. COPYRIGHT: (C)2005,JPO&NCIPI