LIGHT RECORDING MEDIUM

LIGHT RECORDING MEDIUM

PROBLEM TO BE SOLVED: To improve the C/N, the erasing ratio, the degree of modulation, the recording sensitivity and the repeated record erasing characteristic of a light recording medium, used at a relative speed of 3-5 m/s upon erasing the record of a recording layer for light beams. SOLUTION: The...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ONDA TOMOHIKO, KANEKO KAZUHIRO
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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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To improve the C/N, the erasing ratio, the degree of modulation, the recording sensitivity and the repeated record erasing characteristic of a light recording medium, used at a relative speed of 3-5 m/s upon erasing the record of a recording layer for light beams. SOLUTION: The recording layer 4 of a light recording medium 1 is formed of a chalcopyrite type compounds shown by α, β, γ, δ respectively and whose composition ratio of Au, In, Sb and Te are 0 atom.%