METHOD AND DEVICE FOR RECORDING AN INFORMATION SIGNAL ON AN INFORMATION LAYER OF A RECORDING MEDIUM

METHOD AND DEVICE FOR RECORDING AN INFORMATION SIGNAL ON AN INFORMATION LAYER OF A RECORDING MEDIUM

The invention relates to a method and a device for recording an information signal 10 in a phase change layer of a recording medium. A mark is recorded by a sequence 13 of write pulses and previous marks between the marks to be recorded are erased by a sequence of erase pulses 14 . De bias power lev...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: DEKKER, MARTIJN, J
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Beschreibung
Zusammenfassung:The invention relates to a method and a device for recording an information signal 10 in a phase change layer of a recording medium. A mark is recorded by a sequence 13 of write pulses and previous marks between the marks to be recorded are erased by a sequence of erase pulses 14 . De bias power level 191, 192 between the erase pulses is made dependent on the recording speed, thus obtaining low jitter of the recorded marks and at the same time preventing thermal cross write during erase.