MAGNETIC RECORDING MEDIUM

PROBLEM TO BE SOLVED: To realize high output and excellent C/N characteristics while making surface properties of a magnetic layer favorable and dealing with the trend toward the shorter wavelength. SOLUTION: The centerline mean roughness (Ra1) of the surface of the magnetic layer 2 is specified to...

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Bibliographische Detailangaben
Hauptverfasser:	MAEJIMA KATSUNORI, FUKUMOTO MARI
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 realize high output and excellent C/N characteristics while making surface properties of a magnetic layer favorable and dealing with the trend toward the shorter wavelength. SOLUTION: The centerline mean roughness (Ra1) of the surface of the magnetic layer 2 is specified to be 3.0-4.0 nm and P2m =0.1 μm and =1.0 μm and