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    • 1. 发明授权
    • Writable and erasable high-density optical storage media
    • 可写和可擦除的高密度光存储介质
    • US06245403B1
    • 2001-06-12
    • US09069266
    • 1998-04-29
    • Heinz SpahniJin MizuguchiBeat SchmidhalterAnnemarie WollebJean-Luc BudryGérald Giller
    • Heinz SpahniJin MizuguchiBeat SchmidhalterAnnemarie WollebJean-Luc BudryGérald Giller
    • B32B302
    • C07D471/06C09B5/62G11B7/00455G11B7/0052G11B7/00552G11B7/006G11B7/244Y10S428/913Y10S430/146Y10T428/21
    • The invention relates to an optical storage medium comprising a substrate and a storage layer, wherein the storage layer comprises a compound of the formula (I) or (II) in which A and A′, independently of one another, are unsubstituted or mono- or di-halo-, -hydroxy-, —C1-C6alkyl-, —C1-C6alkoxy-, -cyano- or -nitro-substituted phenyl, pyridyl, pyrrolyl, imidazolyl, furyl or thienyl, which can, if desired, be fused to a benzene ring, are halide, tetrafluoroborate or unsubstituted or with one or more halogen substituted C1-C6alkane-sulfonate, benzenesulfonate, C1-C6alkylbenzenesulfonate, C1-C6alkylsulfate or di-C1-C6alkyl-phosphonate of N—C1-C6alkyl-pyridiniumyl, or are unsubstituted or mono- or di-hydroxy-substituted C2-C6alkyl or C2-C6alkenyl, whose chain may be uninterrupted or interrupted by one or two oxygen atoms, B and B′, independently of one another, are 2 H, S, S2 or SO2, and n and n′, independently of one another, are each a number from 1 to 4. The invention also relates to a process for the optical writing, storage, reading, modification or erasing of data at a wavelength of from 400 to 700 nm using a novel recording medium, to an optical recorder for the optical writing, modification or erasing of data using only continuous laser radiation or only modulated laser radiation, to a process for converting a compound of the formula (I) or (II) from a black form into a red form by mechanical force, and to new compounds of the formula (I) or (II).
    • 本发明涉及一种包括基材和存储层的光学存储介质,其中该储存层包含式(I)或(II)的化合物,其中A和A'彼此独立地为未取代的或单 - 或二卤代 - , - 羟基 - ,-C 1 -C 6烷基 - , - C 1 -C 6烷氧基 - , - 氰基 - 或 - 硝基取代的苯基,吡啶基,吡咯基,咪唑基,呋喃基或噻吩基,如果需要, 苯基环,卤素取代的C 1 -C 6烷基磺酸酯,苯磺酸酯,C 1 -C 6烷基苯磺酸酯,C 1 -C 6烷基硫酸酯或N-C 1 -C 6烷基 - 吡啶鎓基的二-C 1 -C 6烷基 - 膦酸酯, 或未被取代的单或二羟基取代的C 2 -C 6烷基或C 2 -C 6烯基,其链可以不间断或被一个或两个氧原子间隔,B和B'彼此独立地为2 H,S, S2或SO2,n和n'彼此独立地为1至4的数。本发明还涉及一种pr 用于使用新颖的记录介质将波长为400至700nm的数据的光学写入,存储,读取,修改或擦除的光学记录到用于仅使用连续激光辐射的光学写入,修改或擦除数据的光学记录器, 通过机械力将式(I)或(II)的化合物从黑色形式转化成红色的方法,以及式(I)或(II)的新化合物的方法。