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    • 44. 发明授权
    • OPTICAL RECORDING MEDIUM
    • 光学记录介质
    • EP2002986B1
    • 2011-12-21
    • EP07714490.5
    • 2007-02-19
    • Adeka Corporation
    • YANAGISAWA, Satoshi c/o Adeka CorporationKUBOTA, Yusuke c/o Adeka Corporation
    • B41M5/26G11B7/244
    • G11B7/247G11B7/246G11B7/2467G11B7/2495
    • Disclosed is an optical recording medium which is characterized by having an optical recording layer, which is made of an optical recording material containing at least one heterocyclic compound represented by the general formula (I) below, on a base. (I) (In the formula, Z1 represents an oxygen atom, a sulfur atom, -CR5R6- (wherein R5 and R6 respectively represent an alkyl group, an arylalkyl group or the like, and R5 and R6 may combine together to form a ring) or the like; R1 and R2 respectively represent a hydrogen atom or the like; R3 and R4 respectively represent an alkyl group having 1-8 carbon atoms, or they may combine together to form a group constituting a heterocyclic ring which does not contain a multiple bond; Y1 represents a hydrogen atom, an alkyl group having 1-8 carbon atoms, a metallocene substituent or the like; Anq- represents a q-valent anion, and q represents a number of 1 or 2; p represents a coefficient required for neutralizing the electrical charge; and n represents a number of 1-4.)
    • 公开了一种光学记录介质,其特征在于在基底上具有光学记录层,该光学记录层由包含至少一种由以下通式(I)表示的杂环化合物的光学记录材料制成。 (I)(式中,Z 1表示氧原子,硫原子,-CR 5 R 6 - (式中,R 5和R 6分别表示烷基,芳基烷基等,R 5和R 6可以结合而形成环 )等; R 1和R 2分别表示氢原子等; R 3和R 4分别表示具有1-8个碳原子的烷基,或它们可以结合在一起形成构成杂环的基团,所述杂环不含 多重键; Y 1表示氢原子,具有1-8个碳原子的烷基,金属茂取代基等; Anq-表示q价阴离子,q表示1或2的数; p表示所需的系数 用于中和电荷;并且n表示1-4的数目。)
    • 48. 发明公开
    • OPTICAL INFORMATION RECORDING DEVICE AND METHOD
    • 光学信息记录装置和方法
    • EP2246851A1
    • 2010-11-03
    • EP08865737.4
    • 2008-12-11
    • Taiyo Yuden Co., Ltd.
    • MIYAZAWA, FuyukiKAKIMOTO, HiroyaOYAMA, Katsuhiro
    • G11B7/0045G11B7/125G11B7/24G11B7/244
    • G11B7/256G11B7/00456
    • In order to ensure a favorable recording characteristic for a write-once recording medium for a bluish-purple laser, whose recording layer is made of an organic dye having an absorption spectrum at a wavelength λ= 405 nm, this optical information recording apparatus includes means for setting a write power to form recording marks, a space forming power whose power value is less than the write power, to form spaces, and a pulse width of a cooling pulse whose power value is less than the space forming power and which should be output immediately after a last pulse when the recording mark is formed, and means for recording information onto the optical information recording medium according to the setting of the write power, the setting of the space forming power and the setting of the pulse width of the cooling pulse. At this time, the pulse width of the cooling pulse and a ratio whose numerator is the write power and whose denominator is the space forming power have a preferable region of the recording characteristic, and information is recorded onto the optical recording medium by using values in this range.
    • 为了确保记录层由在波长λ= 405nm处具有吸收光谱的有机染料制成的蓝紫色激光用于一次写入记录介质的良好记录特性,该光学信息记录设备包括装置 用于设置写入功率以形成记录标记,形成功率值小于写入功率的空间形成功率以形成空间,以及功率值小于空白形成功率的冷却脉冲的脉冲宽度, 在形成记录标记时的最后一个脉冲之后立即输出,以及根据写入功率的设置,空间形成功率的设置和冷却的脉冲宽度的设置,将信息记录到光学信息记录介质上的装置 脉冲。 此时,冷却脉冲的脉冲宽度和其分子是写入功率并且其分母是形成空间的功率的比率具有记录特性的优选区域,并且信息通过使用值记录在光学记录介质上 这个范围。