摘要:
An optical recording material comprising at least one kind of chalcone type compound represented by the following general formula (I) or a metal complex using the chalcone type compound as a ligand: wherein ring A represents a 5- or 6-membered heterocyclic ring or an aromatic ring; ring B represents a 5- or 6-membered heterocyclic ring, an aromatic ring, or a metallocene structure; the above-mentioned heterocyclic and aromatic ring may be condensed with other rings or may be substituted; n is 0 or 1.
摘要:
The present invention provides a two-photon light-emitting compound represented by formula (1), an optical data recording medium comprising a compound represented by formula (1), a two-photon polymerizable composition comprising a polymerizable monomer or polymerizable oligomer and at least compound represented by formula (1), and a photopolymerization process: X2—(—CR4═CR3—)m—C(═O)—(—CR1═CR2—)n—X1 (1) wherein X1 and X2 may be the same or different and each represent a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; R1, R2, R3 and R4 each independently represent a hydrogen atom or substituent; some of R1, R2, R3 and R4 may be connected to each other to form at least one ring; and n and m each independently represent an integer of from 1 to 4, with the proviso that when n and m are 2 or more, the plurality of R1's, R2's, R3's, and R4's each may be the same or different.
摘要:
[Problem]: An optical recording medium having a capability of recording and/or reading high density optical information using a short wavelength laser light is provided. [Means to Address the Problem]: The optical recording medium has a capability of recording and/or reading high density optical information using a short wavelength laser light having a wavelength of 350 nm to 530 nm. The optical recording medium has a recording layer containing a metal complex compound and formed on a substrate. The metal complex compound is composed of a cyclic β-diketone azo compound represented by the general formula (I) or general formula (II) and a divalent metal ion coordinated to the cyclic β-diketone azo compound.
摘要:
The invention accordingly relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula (I) or a mesomeric or a tautomeric form thereof, wherein M1 is a metal cation in the oxidation state +3, a hydroxy or halogeno metal group wherein the metal is in the oxidation state +4, or an oxo metal group wherein the metal is in the oxidation state +5; (III) and (IV)are each independently of the other (V), (VI) or (VII); (VIII) is (IX), (X), (XI), (XII), (XIII), or (XIV); (XV) is (XVI) or C2-C8heteroaryl unsubstituted or mono- or poly-substituted by R10, R11, R12 and/or R13; Q1 is N or CR18, Q2 is N or CR19, Q3, Q5 and Q7 are each independently of the other CR20R21, O, S or NR22, Q4 is CR16 or N and Q6 is CR17 or N; and R2 and/or R6 are O, S or NR33. Please see the disclosure for the other substituents which are less relevant. The compounds of formula (I) are novel and also claimed, as well as the compound of formula (II), or a mesomer or tautomer thereof, wherein R38 is halogen , CF3, NO2, CN, COR22, COOR23, SO3R23, NCO or SCN, G1, G2M1, R1R2, R4, R5, R6, R8, R22 and R23 are as defined in formula (I), M2m+ is a cation with m positive charges, and m is an integer 1, 2 or 3. The optical recording media are remarkably suitable for DVD±R (658 nm), especially at high recording speeds.
摘要:
The indolium compounds of the present invention are represented by general formula (I) below and exhibit thermal decomposition behavior further suitable for optical recording materials used in an optical recording layer of an optical recording medium for high-speed recording. (In the formula, ring A represents a benzene or naphthalene ring; Z represents, for example, an optionally halogenated C1-8 alkyl group that is optionally interrupted by —O—, —CO—, —OCO—, or —COO—; at least one of R1 and R2 represents a group represented by general formula (II) or (III), and when only one of R1 and R2 is a group represented by general formula (II) or (III), the other represents a C1-30 organic group; R3 and R4 each represent a hydrogen atom, a C1-30 organic group, or others; X represents a C1-8 alkyl group, which is optionally substituted with a halogen atom or a hydroxyl group or optionally interrupted by an ether bond, or others; Y1 represents a hydrogen atom or a C1-30 organic group; n represents an integer of 0 to 4, q represents an integer of 0 to 4; Anm- represents an m-valent anion; m represents 1 or 2; and p represents a coefficient to keep the electric charge neutral.)
摘要:
A recording layer including a novel dye for a high density optical recording medium, employing short wavelength laser source with a wavelength no longer than 530 nm 530 nm for recording high density information and reproduction/playback of the high density information recordings, is provided. The dye incorporated in the recording layer has the following general chemical structural formula (I):
摘要:
A simultaneous two-photon absorption three-dimensional recording material includes at least one kind of dye having at least one polymerizable group.
摘要:
The present invention provides novel organic compounds, which absorb the light in the ultra violet and the infrared regions, have improved light tolerance and solubility in solvents, and have thermal tolerance suitable for uses to which the organic compounds are applied, and provides uses of the same. The above objects are solved by providing indolenine compounds and methine dyes, which have a bis-indolenine skeleton composed of two indolenine rings linked together at their respective C-3 positions via a divalent linking group, and by providing optical recording media containing the methine dyes.
摘要:
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.)
摘要翻译:公开了一种光记录介质,其特征在于具有在基材上由含有至少一种下述通式(I)表示的杂环化合物的光学记录材料制成的光学记录层。 (I)(式中,Z1表示氧原子,硫原子,-CR5R6-(其中R5和R6分别表示烷基,芳烷基等,R5和R6可以结合在一起形成环 )等; R 1和R 2分别表示氢原子等; R 3和R 4分别表示碳原子数为1〜8的烷基,或者可以结合在一起形成不含有碳原子的杂环的基团 多重键; Y1表示氢原子,碳原子数1〜8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; n表示1-4的数))
摘要:
A blue laser-ready information recording medium improved in light stability and durability without impairment of record/playback characteristics is provided.The information recording medium is an optical information recording medium having on a substrate a recording layer that permits recording of information by irradiation with laser light of 440 nm or below, and is a heat-mode information recording medium that has a recording layer containing a methine dye and an organic oxidant on a transparent disk-form substrate on which a pregroove having a track pitch of 0.2 to 0.5 μm is formed, and that on the pregroove-formed side of the substrate.