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    PHOTOSENSITIVE COMPOSITION AND A HOLOGRAM STORAGE MEDIUM USING SAME, HOLOGRAM OPTICAL ELEMENT, AND HOLOGRAM DIFFRACTION GRATING FORMING METHOD
    2.
    发明公开
    PHOTOSENSITIVE COMPOSITION AND A HOLOGRAM STORAGE MEDIUM USING SAME, HOLOGRAM OPTICAL ELEMENT, AND HOLOGRAM DIFFRACTION GRATING FORMING METHOD 审中-公开

    公开(公告)号：EP3998289A1

    公开(公告)日：2022-05-18

    申请号：EP20837480.1

    申请日：2020-06-19

    申请人： Sony Group Corporation

    发明人： HARA Hisaya ,  OHE Takahiro ,  KAWASAKI Kenshiro

    IPC分类号： C08F2/44 ,  C08F20/34 ,  G02B5/32 ,  G03H1/02 ,  G11B7/24044

    摘要： To provide a photosensitive composition capable of further improving diffraction characteristics.
    The present technology provides a photosensitive composition including: at least a compound represented by the following general formula (1); a binder resin; and a photoinitiator.

    In the general formula (1), X 1 represents an oxygen atom, a nitrogen atom, a phosphorus atom, a caron atom, or a silicon atom.
    Y 1 and Y 2 each represent a benzene ring or a naphthalene ring, and both Y 1 and Y 2 do not represent benzene rings.
    R 1 to R 3 each represent a hydrogen or a substituent group represented by *-Z 1 (R 4 ) d (* represents a bonding site).
    Z 1 represents a single bond, a saturated hydrocarbon group having a valence of 2 or higher, or an unsaturated hydrocarbon group having a valence of 2 or higher, and the saturated hydrocarbon group or the unsaturated hydrocarbon group may have an ether bond and/or a thioether bond.
    R 4 represents a hydrogen or a polymerizable substituent group.

    SUBSTITUIERTE TRIAZINE
    7.
    发明公开
    SUBSTITUIERTE TRIAZINE 审中-公开
    取代的三嗪

    公开(公告)号：EP3313827A1

    公开(公告)日：2018-05-02

    申请号：EP16733370.7

    申请日：2016-06-21

    申请人： Covestro Deutschland AG

    发明人： RÖLLE, Thomas ,  KAWAMURA, Koichi ,  CHIOVETTA, Giuseppe

    IPC分类号： C07D251/24 ,  G03C7/02 ,  G11B7/245 ,  G11B7/24044 ,  G03F7/00

    摘要： The invention relates to aromatic 4,6-bis-trichloromethyl-s-triazin-2-yl- compounds of formula (I). The invention also relates to a photopolymer formulation containing a photopolymerisable component and at least one aromatic 4,6-bis-trichloromethyl-s-triazin-2-yl- compound of formula (I), and a photopolymer comprising matrix polymers, a writing monomer, a photoinitiator and at least one aromatic 4,6-bis-trichloromethyl-s-triazin-2-yl- compound of formula (I), a holographic medium that contains the corresponding claimed photopolymer, a hologram containing a claimed holographic medium, a method for producing a hologram using pulsed laser radiation, and the use of a claimed holographic medium to record a hologram.