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    • 4. 发明公开
    • 정보기록방법 및 정보기록장치
    • 记录信息的方法和设备
    • KR1020010070543A
    • 2001-07-25
    • KR1020010027957
    • 2001-05-22
    • 가부시끼가이샤 히다치 세이사꾸쇼
    • 미야모토마코토도다츠요시오타케마사토시데라오모토야스우시야마쥰코안도게이키치안자이유미코히로츠네아케미니시다데츠야사가히데키
    • G11B7/004
    • G11B7/0062G11B7/00454G11B7/00557G11B7/006G11B7/126G11B20/10009G11B20/1426
    • PURPOSE: To enable execution of high-density recording. CONSTITUTION: In this method, information is recorded by subjecting an energy beam for recording to power modulation at a third power level and a second power level lower than the third power level, at least, and by casting the power- modulated beam on an information recording medium. On the occasion, the method includes at least one of methods: a method wherein only in the case of forming a recording mark of a prescribed length, a part for which irradiation energy is increased in comparison with the case of forming a recording mark of another length is provided before or behind the first of one or more pulses forming the foregoing recording mark and a method wherein a period for lowering the power to a level lower than the second power level is provided behind the last of one or more pulses forming the aforesaid recording mark and, only in the case when a space of a prescribed length comes behind this recording mark, the irradiation energy for this part is decreased in comparison with the case when a space of another length comes.
    • 目的:启用执行高密度录像。 构成:在该方法中,至少通过将能量束进行记录,以至少在第三功率电平和低于第三功率电平的第二功率电平进行功率调制,并通过将功率调制波束投影到信息上来记录信息 记录介质。 在这种情况下,该方法包括以下方法中的至少一种:一种方法,其中仅在形成规定长度的记录标记的情况下,与形成另一个的记录标记的情况相比,照射能量增加的部分 在形成上述记录标记的一个或多个脉冲中的第一个之前或之后设置长度,以及在形成上述记录标记的一个或多个脉冲的最后一个之后提供将功率降低到低于第二功率电平的电平的方法 记录标记,只有当在该记录标记之后有规定长度的空间的情况下,与另一长度的空间到来的情况相比,该部分的照射能量减少。