INFORMATION RECORDING MEDIUM

PROBLEM TO BE SOLVED: To provide an information recording medium which generates less recrystallization rings during information recording and also enables a good high speed information erasure. SOLUTION: The information recording medium includes a substrate, a phase change recording layer formed on...

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Bibliographic Details
Main Authors NAKAMURA NAOMASA, YUSU KEIICHIRO
Format Patent
LanguageEnglish
Published 13.08.2009
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
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Abstract PROBLEM TO BE SOLVED: To provide an information recording medium which generates less recrystallization rings during information recording and also enables a good high speed information erasure. SOLUTION: The information recording medium includes a substrate, a phase change recording layer formed on the substrate, and a reflection layer formed on the phase change recording layer, the phase change recording layer consisting of tellurium and antimony or tellurium and bismuth and having a crystallization speed of 2 to 10 nano seconds, forming a recording mark by changing the crystal condition thereof using irradiation of light pulses having 200 pico seconds or a half bandwidth of 1 nano second. COPYRIGHT: (C)2009,JPO&INPIT
AbstractList PROBLEM TO BE SOLVED: To provide an information recording medium which generates less recrystallization rings during information recording and also enables a good high speed information erasure. SOLUTION: The information recording medium includes a substrate, a phase change recording layer formed on the substrate, and a reflection layer formed on the phase change recording layer, the phase change recording layer consisting of tellurium and antimony or tellurium and bismuth and having a crystallization speed of 2 to 10 nano seconds, forming a recording mark by changing the crystal condition thereof using irradiation of light pulses having 200 pico seconds or a half bandwidth of 1 nano second. COPYRIGHT: (C)2009,JPO&INPIT
Author NAKAMURA NAOMASA
YUSU KEIICHIRO
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Snippet PROBLEM TO BE SOLVED: To provide an information recording medium which generates less recrystallization rings during information recording and also enables a...
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SourceType Open Access Repository
SubjectTerms 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 INFORMATION RECORDING MEDIUM
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