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    • 3. 发明专利
    • Optical recording medium and its manufacturing method
    • 光学记录介质及其制造方法
    • JP2005056516A
    • 2005-03-03
    • JP2003287683
    • 2003-08-06
    • Mitsui Chemicals Inc三井化学株式会社
    • NAKAGAWA SHINICHISAITO YASUNORINISHIMOTO TAIZOMURAKAMI MASAKAZUMISAWA TSUTAYOSHITAKAHASHI HIDEKAZUMURAYAMA SHUNSUKE
    • B41M5/26G11B7/24G11B7/244G11B7/26
    • PROBLEM TO BE SOLVED: To stably manufacture and provide an optical recording medium having lower jitter in high speed recording, in the optical recording medium whose recording layer is formed by applying an organic coloring matter solution. SOLUTION: In the optical recording medium wherein a recording layer capable of recording information by a laser beam and consisting of the organic coloring matter and a reflection layer are formed in this order on a substrate having guide grooves formed in the surface thereof, the coloring matter of the recording layer is applied by using a mixed solvent containing a main solvent consisting of a nonpolar solvent or a mixed solvent of two or more organic solvents consisting essentially of the nonpolar solvent and an added solvent having a boiling point lower than that of any one component in the main solvent and having an ether group in the chemical structure thereof. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了稳定地制造和提供在高速记录中具有较低抖动的光学记录介质,在记录层通过施加有机色素溶液形成的光记录介质中。 解决方案:在其中通过激光束记录信息并由有机色素和反射层组成的记录层依次形成在其表面上形成有导槽的基板上的光记录介质中, 通过使用含有由非极性溶剂构成的主要溶剂的混合溶剂或者由两种或更多种沸点低于非极性溶剂的有机溶剂组成的混合溶剂构成,所述混合溶剂含有两种或更多种沸点低于上述非极性溶剂的有机溶剂, 的主要溶剂中的任何一种组分,并且在其化学结构中具有醚基。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Dipyromethene metal chelate compound and optical recording medium using it
    • DIPYROMETHENE金属螯合物和使用它的光学记录介质
    • JP2005105071A
    • 2005-04-21
    • JP2003338206
    • 2003-09-29
    • Mitsui Chemicals Inc三井化学株式会社
    • SAITO YASUNORISHIOZAKI HIROYOSHINISHIMOTO TAIZONAKAGAWA SHINICHIMISAWA TSUTAYOSHI
    • B41M5/26C07D209/60C07D491/048C09B23/00G11B7/24G11B7/244
    • PROBLEM TO BE SOLVED: To provide an optical recording medium which can record and reproduce with a shortwave laser of 520-690 nm wavelength, and is excellent in durability and suitable for a high density and high speed recording. SOLUTION: There is provided a metallocenyl-dipyromethene compound in which dipyromethene is directly or via a bonding group E bonded to at least one metallocene group, wherein E is at least one group selected from the group consisting of -CH 2 -, -CH(1-4C alkyl)-, -C(1-4C alkyl) 2 -, -C(=O)-, -C(=S)-, -NH-, -S-, -O-, -CH=CH-, -SO-, -SO 2 -, -CH=N-, -C(1-4C alkyl)=N-, a substituted or unsubstituted aromatic hydrocarbon group, and a substituted or unsubstituted heterocyclic group, and there is also provided a metallocenyl-dipyromethene metal chelate compound which is a transition metal complex of the metallocenyl-dipyromethane compound. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够用520-690nm波长的短波激光记录和再现的光记录介质,并且具有优异的耐久性并且适用于高密度和高速记录。 解决方案:提供金属茂基 - 二亚甲基化合物,其中二亚甲基亚直接或通过键合基团E键合至至少一个茂金属基团,其中E是至少一个选自-CH SB < (C 1-4烷基) - , - C(= O) - , - C(= S) - , - NH - , - S - , - O - , - CH = CH-,-SO-, - SO 2 - , - CH = N - , - C(1-4C烷基) N-取代或未取代的芳族烃基和取代或未取代的杂环基,并且还提供金属茂基 - 二亚甲基金属螯合化合物,其是金属茂基 - 二吡咯烷化合物的过渡金属络合物。 版权所有(C)2005,JPO&NCIPI