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    • 3. 发明公开
    • Optical recording medium
    • 光学记录介质
    • EP0186404A3
    • 1987-06-24
    • EP85309134
    • 1985-12-16
    • IMPERIAL CHEMICAL INDUSTRIES PLCTDK CORPORATION
    • Duggan, Peter JohnGordon, Paul FrancisAbbott, Stephen JohnKuroiwa, AkihitoAoi, ToshikiKamijo, Tezumbumi
    • G11B07/24
    • G11B7/248Y10S430/146Y10S430/165
    • @ A pit-forming optical recording medium comprises a substrate supporting a film of optically deformable recording material comprising an organic dye for absorbing optical signals of modulated electromagnetic radiation applied to the film and thereby causing corresponding deformations of the film when the signal intensities exceed predetermined threshold levels. The dye is a phthalocyanine compound or mixture of phtalocyanine compounds in which each of at least five of the peripheral carbon atoms in the 1, 4, 5, 8, 9, 12, 13 or 16 positions (the "3,6-positions") of the phthalocyanine nucleus, as shown in Formula 1, is linked by an atom from group VB or Group VIB of the Periodic Table to a carbon atom of an organic radical. In preferred compounds each of the eight, 3,6-positions is linked by an atom from Group VB or Group VIB, especially sulphur, selenium or nitrogen, to an organic radical.
    • 形成凹坑的光学记录介质包括支撑包含有机染料的光学可变形记录材料膜的基板,所述有机染料用于吸收施加到膜上的调制电磁辐射的光学信号,并由此在信号强度超过预定阈值时引起膜的相应变形 水平。 染料是酞菁化合物或酞菁化合物的混合物,其中1,4,5,8,9,12,13或16位中的至少五个外围碳原子中的每一个(“3,6-位” )的酞菁核通过来自元素周期表的VB族或VIB族的原子与有机基团的碳原子连接,如式1所示。 在优选的化合物中,8位,3,6-位各自通过来自VB族或VIB族的原子,尤其是硫,硒或氮与有机基团连接。
    • 4. 发明公开
    • Azo Compound
    • Nichtlineares优化元素。
    • EP0293093A2
    • 1988-11-30
    • EP88303953.9
    • 1988-04-29
    • IMPERIAL CHEMICAL INDUSTRIES PLCCENTRE NATIONAL d'ETUDES DES TELECOMMUNICATIONS
    • Allen, SimonGordon, Paul FrancisZyss, Joseph
    • G02B1/00C09B29/085C09B29/36
    • B82Y20/00C09B29/0003C09B29/0807C09B29/0816C09B29/36G02F1/3132G02F1/3618Y10S534/02
    • An optical element, such as a wave guide, having non-linear optical properties, suitable for use in optical devices in which it is desirable to alter the characteristics of the light, comprising a transparent or reflecting substrate having at least a partial superficial coating comprising alternating monolayers of a first non-linear optical (NLO) compound of the formula:
      wherein
          R is an non-hydrophilic aliphatic or cycloaliphatic group containing from 8 to 40 carbon atoms;
          m is 1 or 2;
          R¹ is NO₂, CN or COOR²;
          R² is H or C₁₋₄-alkyl;
          n is from 1 to 4
      and R³ is H, a metal or a group containing a tetravalent N atom and a second NLO compound of the formula:
      wherein T is H, a metal or a group containing a tetravalent N atom;
          T¹ is NO₂, CN or COOY;
          Y is selected from H, C₁₋₄-alkyl, a metal or a group containing a tetravalent N atom;
          T² & T³ are each independently H or a non-hydrophilic aliphatic or cycloaliphatic group containing up to 30 carbon atoms;
          T⁴ & T⁵ are each independently H or a non-hydrophilic aliphatic or cycloaliphatic group containing up to 30 carbon atoms;
      and T⁶ & T⁷ are each independently H or a non-hydrophilic group containing up to 4 carbon atoms;
      or T⁴ & T⁶ together comprise ring fused to Ring A and T⁵ & T⁷ are as hereinbefore defined;
      or T⁵ & T⁷ together comprise ring fused to Ring A and T⁴ & T⁶ are as hereinbefore defined;
      or T² & T⁴ together with the N atom to which T² is attached from a ring fused to Ring A and T³ & T⁵ are as hereinbefore defined;
      or T³ & T⁵ together with the N atom to which T³ is attached from a ring fused to Ring A and T² & T⁴ are as hereinbefore defined;
      provided there are, in total, from 8 to 40 atoms in one or two of the groups independently represented by T², T³, T⁴ & T⁵.
    • 具有非线性光学性质的光学元件,例如波导,适用于期望改变光的特性的光学装置,包括具有至少部分表面涂层的透明或反射基板,其包括 交替单层下式的第一非线性光学(NLO)化合物:其中R是含有8至40个碳原子的非亲水脂族或脂环族基团; m为1或2; R 1是NO 2,CN或COOR 2; R 2是H或C 1-4 - 烷基; n为1至4,R 3为H,金属或含有四价N原子的基团和下式的第二NLO化合物:其中T为H,金属或含有四价N 原子; T 1是NO 2,CN或COOY; Y选自H,C 1-4 - 烷基,金属或含有四价N原子的基团; T 2和T 3各自独立地为H或含有至多30个碳原子的非亲水脂族或脂环族基团; T 4和T 5各自独立地为H或含有至多30个碳原子的非亲水性脂族或脂环族基团; 和T 6& T 7各自独立地为H或含有至多4个碳原子的非亲水基团; 或T 4和T 6一起包含与环A稠合的环,T 5和T 7如上文所定义; 或T 5和T 7一起包含与环A稠合的环,并且T 4和T 6如上文所定义; 或T 2和T 4连同与环A稠合的环和T 3和T 5连接的T 2连接的N原子如上文所定义; 或T 3和T 5连同与环A稠合的环与T 3连接的N原子,T 2和T 4如上文所定义; 条件是在T 2,T 3,T 4和T 5独立地表示的一个或两个基团中总共有8至40个原子。