MAGNETIC RECORDER AND MAGNETIC RECORDING AND REPRODUCING SYSTEM

MAGNETIC RECORDER AND MAGNETIC RECORDING AND REPRODUCING SYSTEM

PROBLEM TO BE SOLVED: To provide a magnetic recorder having a thin film back coat layer and excellent running durability since a triboelectric charge due to a slide on a tape guide pin at the time when a tape is running is suppressed and to provide a magnetic recording and reproducing system using t...

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Hauptverfasser: JINGU NOBUHIRO, WATASE SHIGEJI
Format: Patent
Sprache:eng
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator JINGU NOBUHIRO
WATASE SHIGEJI
description PROBLEM TO BE SOLVED: To provide a magnetic recorder having a thin film back coat layer and excellent running durability since a triboelectric charge due to a slide on a tape guide pin at the time when a tape is running is suppressed and to provide a magnetic recording and reproducing system using the magnetic recording medium. SOLUTION: The magnetic recording medium 1 has at least a magnetic layer 3 and a protective layer 4 consisting of a hard film consisting essentially of carbon in this order on one surface of a non-magnetic substrate 2 and a metal layer 7 having 1 to 50 nm thickness and a back coat layer 6 consisting of a hard film consisting essentially of carbon in this order on the other surface of the non-magnetic substrate 2. In the magnetic recording and reproducing system, a magnetic recording and reproducing device having a member which has a hard film consisting essentially of carbon and film-deposited on the part of the member coming in contact with the surface of the back coat layer is used when recording and reproduction of the tape-shaped magnetic recording medium 1 is performed. COPYRIGHT: (C)2004,JPO
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SOLUTION: The magnetic recording medium 1 has at least a magnetic layer 3 and a protective layer 4 consisting of a hard film consisting essentially of carbon in this order on one surface of a non-magnetic substrate 2 and a metal layer 7 having 1 to 50 nm thickness and a back coat layer 6 consisting of a hard film consisting essentially of carbon in this order on the other surface of the non-magnetic substrate 2. In the magnetic recording and reproducing system, a magnetic recording and reproducing device having a member which has a hard film consisting essentially of carbon and film-deposited on the part of the member coming in contact with the surface of the back coat layer is used when recording and reproduction of the tape-shaped magnetic recording medium 1 is performed. 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SOLUTION: The magnetic recording medium 1 has at least a magnetic layer 3 and a protective layer 4 consisting of a hard film consisting essentially of carbon in this order on one surface of a non-magnetic substrate 2 and a metal layer 7 having 1 to 50 nm thickness and a back coat layer 6 consisting of a hard film consisting essentially of carbon in this order on the other surface of the non-magnetic substrate 2. In the magnetic recording and reproducing system, a magnetic recording and reproducing device having a member which has a hard film consisting essentially of carbon and film-deposited on the part of the member coming in contact with the surface of the back coat layer is used when recording and reproduction of the tape-shaped magnetic recording medium 1 is performed. 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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title MAGNETIC RECORDER AND MAGNETIC RECORDING AND REPRODUCING SYSTEM
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