DISK-SHAPED INFORMATION RECORDING MEDIUM AND INFORMATION RECORDING METHOD USING THEREOF

DISK-SHAPED INFORMATION RECORDING MEDIUM AND INFORMATION RECORDING METHOD USING THEREOF

PROBLEM TO BE SOLVED: To provide a flexible and removable magnetic recording medium enabling stable head travelling and also high density recording by a perpendicular magnetic recording system. SOLUTION: A disk-shaped information recording medium is characterized in that at least a phase transition...

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Sprache:eng
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INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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description PROBLEM TO BE SOLVED: To provide a flexible and removable magnetic recording medium enabling stable head travelling and also high density recording by a perpendicular magnetic recording system. SOLUTION: A disk-shaped information recording medium is characterized in that at least a phase transition type optical recording layer and a magneto optical recording layer are formed in this sequence on at least one side face of a support object. An information recording method using the disk-shaped information recording medium is characterized in that a tracking signal recorded on the magneto optical recording layer in advance is read by light and a tracking servo control is performed, and at the same time recording and reading of information for this medium is performed by the light to the phase transition optical recording layer. COPYRIGHT: (C)2004,JPO
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title DISK-SHAPED INFORMATION RECORDING MEDIUM AND INFORMATION RECORDING METHOD USING THEREOF
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