Magnetischer Aufzeichnungsträger und sein Herstellungsverfahren

Magnetischer Aufzeichnungsträger und sein Herstellungsverfahren

A magnetic recording medium comprising a non-magnetic substrate, a ferromagnetic thin film on the non-magnetic substrate, a hard carbon film on the ferromagnetic thin film, a modified layer of which atomic ratio of nitrogen/carbon is 0.8 % or more, and of which thickness is less than 3 nm on the har...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SEKI, HIROSHI, KATANO-SHI, OSAKA 576, JP, KUWAHARA, KENJI, IKOMA-SHI, NARA PREFECTURE 630-02, JP, TAKAHASHI, KIYOSHI, IBARAKI-SHI, OSAKA 567, JP, MURAI, MIKIO, HIRAKATA-SHI, OSAKA 573-01, JP, ODAGIRI, MASARU, KAWANISHI-SHI, HYOUGO PREFECTURE 666-01, JP, OHCHI, YUKIKAZU, KADOMA-SHI, OSAKA 571, JP, UEDA, HIDEYUKI, TAKATSUKI-SHI, OSAKA 569, JP
Format: Patent
Sprache:ger
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Beschreibung
Zusammenfassung:A magnetic recording medium comprising a non-magnetic substrate, a ferromagnetic thin film on the non-magnetic substrate, a hard carbon film on the ferromagnetic thin film, a modified layer of which atomic ratio of nitrogen/carbon is 0.8 % or more, and of which thickness is less than 3 nm on the hard carbon film, and a lubricant layer on the modified layer, has excellent electromagnetic conversion characteristic, running stability, durability, and weatherability.