发明名称 |
Information recording method and apparatus with suppressed mark edge jitters |
摘要 |
A method for recording information is disclosed in which an information recording medium is irradiated with a recording energy beam power-modulated into at least a record power level and a record-ready power level lower than the record power level. 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. Also, only in the case where the energy beam is modulated by the power lower in power level than the record-ready power level after the last pulse of the energy beam pulse train including at least one pulse for forming a mark portion and the mark portion is followed by a space portion of a predetermined length, the particular radiation energy of low power level is reduced as compared with when the mark portion is followed by a space potion of a different length. The radiation energy is increased and/or decreased.
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申请公布号 |
US6842415(B2) |
申请公布日期 |
2005.01.11 |
申请号 |
US20030600442 |
申请日期 |
2003.06.23 |
申请人 |
HITACHI, LTD. |
发明人 |
MIYAMOTO MAKOTO;TODA TSUYOSHI;OHTAKE MASATOSHI;TERAO MOTOYASU;USHIYAMA JUNKO;ANDOO KEIKICHI;ANZAI YUMIKO;HIROTSUNE AKEMI;NISHIDA TETSUYA;SAGA HIDEKI |
分类号 |
G11B7/00;G11B5/09;G11B7/004;G11B7/0045;G11B7/0055;G11B7/006;G11B7/125;G11B7/126;G11B20/10;G11B20/14;(IPC1-7):G11B7/00 |
主分类号 |
G11B7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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