Information recording method and apparatus with suppressed mark edge jitters

Recording information is disclosed in which an information recording medium is irradiated with a recording energy beam that is power-modulated into at least a record power level and a record-ready power level lower than the record power level. The information is recorded on the recording medium in t...

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Bibliographic Details
Main Authors SAGA HIDEKI, ANZAI YUMIKO, MIYAMOTO MAKOTO, TERAO MOTOYASU, HIROTSUNE AKEMI, NISHIDA TETSUYA, ANDOO KEIKICHI, OHTAKE MASATOSHI, USHIYAMA JUNKO, TODA TSUYOSHI
Format Patent
LanguageEnglish
Published 22.03.2011
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:Recording information is disclosed in which an information recording medium is irradiated with a recording energy beam that is power-modulated into at least a record power level and a record-ready power level lower than the record power level. The information is recorded on the recording medium in the form of length and interval of a mark portion. When forming a mark portion of a predetermined length, the radiation energy of the energy beam is increased as compared with when forming a mark portion of a different length before or after the first pulse of an energy beam pulse train including at least a pulse for forming the mark portion.
Bibliography:Application Number: US20080219346