MAGNETIC RECORDING MEDIUM

To provide a magnetic recording medium capable of improving electromagnetic conversion characteristics.SOLUTION: A tape-shaped magnetic recording medium 10 includes a base substance 11, and a magnetic layer 13 provided on the base substance and containing magnetic powder. An average thickness of the...

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Bibliographische Detailangaben
Hauptverfasser:	MAEJIMA KATSUNORI, TERAKAWA JUN, YAMAGA MINORU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INDUCTANCES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INORGANIC CHEMISTRY MAGNETS METALLURGY PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS
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Beschreibung
Zusammenfassung:	To provide a magnetic recording medium capable of improving electromagnetic conversion characteristics.SOLUTION: A tape-shaped magnetic recording medium 10 includes a base substance 11, and a magnetic layer 13 provided on the base substance and containing magnetic powder. An average thickness of the magnetic layer is 90 nm or less, an average aspect ratio of the magnetic powder is 1.0 or more and 3.0 or less, coercive force Hc1 in a vertical direction is 3,000 Oe or less, and the coercive force Hc1 in the vertical direction and coercive force Hc2 in a longer direction satisfy the relation of Hc2/Hc1≤0.8.SELECTED DRAWING: Figure 1 【課題】電磁変換特性を向上することができる磁気記録媒体を提供する。【解決手段】テープ状の磁気記録媒体１０は、基体１１と、基体上に設けられ、磁性粉を含む磁性層１３とを備える。磁性層の平均厚みが、９０ｎｍ以下であり、磁性粉の平均アスペクト比が、１．０以上３．０以下であり、垂直方向における保磁力Ｈｃ１が、３０００Ｏｅ以下であり、垂直方向における保磁力Ｈｃ１と、長手方向における保磁力Ｈｃ２とが、Ｈｃ２／Ｈｃ１≦０．８の関係を満たす。【選択図】図１