MAGNETIC RECORDING MEDIUM

PROBLEM TO BE SOLVED: To provide a magnetic recording medium which is excellent in sliding resistance and in corrosion resistance and which is capable of recording and reproducing with a high surface recording density of ≥ 600 Gbits/square inch. SOLUTION: In a disk-shaped magnetic recording medium o...

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Bibliographische Detailangaben
Hauptverfasser:	YAMANAKA HIDEAKI, MATSUNUMA SATORU
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 which is excellent in sliding resistance and in corrosion resistance and which is capable of recording and reproducing with a high surface recording density of ≥ 600 Gbits/square inch. SOLUTION: In a disk-shaped magnetic recording medium of a magnetic recording system recorded with the surface recording density of ≥600 Gbits/square inch is provided with a protective layer comprising tetrahedral-based amorphous carbon. The sliding resistance and the corrosion resistance are improved even under the condition of the high surface recording density of ≥ 600 Gbits/square inch. COPYRIGHT: (C)2005,JPO&NCIPI