SURFACE LUBRICANT DISTRIBUTION EVALUATING METHOD OF MAGNETIC RECORDING MEDIUM AND SURFACE LUBRICANT DISTRIBUTION EVALUATION DEVICE

PROBLEM TO BE SOLVED: To provide a surface lubricant distribution evaluation device of a magnetic recording medium, which evaluates a distribution state of a lubricant over the surface of a magnetic recording medium. SOLUTION: The device for evaluating a distribution of a surface lubricant of a magn...

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Bibliographische Detailangaben
Hauptverfasser:	MORIKAWA JUNKO, HOSHI KAZUO
Format:	Patent
Sprache:	eng
Schlagworte:	APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBEMICROSCOPY [SPM] INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MEASURING PHYSICS SCANNING-PROBE TECHNIQUES OR APPARATUS TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a surface lubricant distribution evaluation device of a magnetic recording medium, which evaluates a distribution state of a lubricant over the surface of a magnetic recording medium. SOLUTION: The device for evaluating a distribution of a surface lubricant of a magnetic recording medium (sample 10) configured by applying the lubricant over the most surface of a magnetic layer side of a laminated body formed by laminating at least a magnetic layer on a non-magnetic support medium, has a conductive probe 20 for applying voltage to a lubricant side surface of the sample 10 with a prescribed interval, and evaluates a distribution state of the lubricant on the basis of a surface potential image measured by a measuring instrument for executing a surface potential measuring method using a scanning type probe microscope. COPYRIGHT: (C)2008,JPO&INPIT