PHASE CHANGE RECORDING MEDIUM AND INFORMATION RECORDING AND REPRODUCING APPARATUS USING THIS MEDIUM

PROBLEM TO BE SOLVED: To provide a phase change recording medium nearly free from recrystallization of a melting region during recording, having low cross-erase and high contrast and capable of securing a satisfactory CNR in the recording medium wherein high speed and high density recording is possi...

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Hauptverfasser:	NAKAI TSUKASA, ASHIDA SUMIO, SATO SUKEHIRO, NAKAMURA NAOMASA, YUSU KEIICHIRO, OMACHI NORITAKE
Format:	Patent
Sprache:	eng
Schlagworte:	COLOUR PRINTING INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LINING MACHINES PERFORMING OPERATIONS PHYSICS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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creator	NAKAI TSUKASA ASHIDA SUMIO SATO SUKEHIRO NAKAMURA NAOMASA YUSU KEIICHIRO OMACHI NORITAKE
description	PROBLEM TO BE SOLVED: To provide a phase change recording medium nearly free from recrystallization of a melting region during recording, having low cross-erase and high contrast and capable of securing a satisfactory CNR in the recording medium wherein high speed and high density recording is possible and to provide an information recording and reproducing apparatus using this medium. SOLUTION: The recording medium has a laminated structure including a substrate, an interference film, a recording film capable of reversibly changing atomic arrangement, a crystallization promoting film coming in contact with the recording film and a reflection film, wherein recording or erasure is reversibly performed to the recording film by using light. The elements composing the recording film have segregation or concentration distribution in the thickness direction of the recording film from a part in contact with the recording film. COPYRIGHT: (C)2008,JPO&INPIT
format	Patent
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SOLUTION: The recording medium has a laminated structure including a substrate, an interference film, a recording film capable of reversibly changing atomic arrangement, a crystallization promoting film coming in contact with the recording film and a reflection film, wherein recording or erasure is reversibly performed to the recording film by using light. The elements composing the recording film have segregation or concentration distribution in the thickness direction of the recording film from a part in contact with the recording film. 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SOLUTION: The recording medium has a laminated structure including a substrate, an interference film, a recording film capable of reversibly changing atomic arrangement, a crystallization promoting film coming in contact with the recording film and a reflection film, wherein recording or erasure is reversibly performed to the recording film by using light. The elements composing the recording film have segregation or concentration distribution in the thickness direction of the recording film from a part in contact with the recording film. 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language	eng
recordid	cdi_epo_espacenet_JP2008217858A
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subjects	COLOUR PRINTING INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LINING MACHINES PERFORMING OPERATIONS PHYSICS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
title	PHASE CHANGE RECORDING MEDIUM AND INFORMATION RECORDING AND REPRODUCING APPARATUS USING THIS MEDIUM
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