公开(公告)号：US08900775B2

公开(公告)日：2014-12-02

申请号：US13566371

申请日：2012-08-03

申请人： Naoki Hayashida ,  Shohei Fujii ,  Jiro Yoshinari

发明人： Naoki Hayashida ,  Shohei Fujii ,  Jiro Yoshinari

IPC分类号： G03H1/02 ,  G03F7/00 ,  G03F7/027 ,  G03F7/033 ,  G11B7/24044 ,  G11B7/245

CPC分类号： G03F7/001 ,  G03F7/027 ,  G03F7/033 ,  G03H1/0244 ,  G03H2001/0264 ,  G03H2260/12 ,  G11B7/24044 ,  G11B7/245

摘要： A hologram recording material includes a polymerizable monomer (A) that is active in radical polymerization but is substantially inactive in cationic polymerization, a polymerizable monomer (B) that is active in cationic polymerization but is substantially inactive in radical polymerization, and an initiator system (C) that polymerizes at least one of the polymerizable monomer (A) and the polymerizable monomer (B) through irradiation with light. The polymerizable monomer (A) and the polymerizable monomer (B) each have, in its structure, a moiety selected from the group consisting of aromatic rings, halogen atoms other than a fluorine atom, and sulfur atoms not derived from a cyclic sulfide or a mercapto group. A hologram recording medium includes a recording layer composed of the hologram recording material.

摘要翻译： 全息记录材料包括在自由基聚合中有活性但在阳离子聚合中基本上无活性的可聚合单体（A），在阳离子聚合中有活性但在自由基聚合中基本上无活性的可聚合单体（B）和引发剂体系 C）通过照射聚合聚合性单体（A）和聚合性单体（B）中的至少一种。 可聚合单体（A）和可聚合单体（B）在其结构中各自具有选自芳环，除氟原子以外的卤素原子的部分和不衍生自环硫醚的硫原子 巯基。 全息记录介质包括由全息图记录材料构成的记录层。

公开(公告)号：US08497052B2

公开(公告)日：2013-07-30

申请号：US13412323

申请日：2012-03-05

申请人： Jiro Yoshinari ,  Naoki Hayashida ,  Shohei Fujii ,  Kazushi Tanaka

发明人： Jiro Yoshinari ,  Naoki Hayashida ,  Shohei Fujii ,  Kazushi Tanaka

IPC分类号： G03H1/00 ,  G03H1/26

CPC分类号： G03H1/02 ,  G03H1/30 ,  G03H2001/026 ,  G03H2240/52

摘要： An optimal recording exposure is determined by varying in the first to nth stages the recording exposure with a write laser beam to record a bright pattern image and a dark pattern image in each stage as the first to nth bright pattern images and the first to nth dark pattern images, respectively; irradiating the respective pattern images with a read beam to detect the intensity of a diffracted beam from the central portion of each image of the bright and dark patterns; calculating Sa1/Sb1=SNR1, . . . , and San/Sbn=SNRn, where Sa1 to San are the intensity of a diffracted beam from the first to nth bright pattern images and Sb1 to Sbn, are the intensity of s diffracted beam from the first to nth dark pattern images; and determining a recording exposure which is given at the SNRmax being the maximum value of the resulting SNR1 to SNRn.

摘要翻译： 通过在写入激光束的第一至第n级变化记录曝光来确定最佳记录曝光，以将每个阶段中的亮图案图像和暗图案图像记录为第一至第n亮图案图像和第一至第n黑暗 图案图像; 用读取光束照射各图案图像，以检测来自亮和暗图案的每个图像的中心部分的衍射光束的强度; 计算Sa1 / Sb1 = SNR1， 的。 的。 ，San / Sbn = SNRn，其中Sa1至San是从第一至第n亮图案图像和Sb1至Sbn的衍射光束的强度，是从第一至第n暗图案图像的衍射光束的强度; 并且确定以SNRmax给出的记录曝光是所得SNR1至SNRn的最大值。

公开(公告)号：US08420280B2

公开(公告)日：2013-04-16

申请号：US11847819

申请日：2007-08-30

申请人： Jiro Yoshinari ,  Atsuko Kosuda ,  Naoki Hayashida

发明人： Jiro Yoshinari ,  Atsuko Kosuda ,  Naoki Hayashida

IPC分类号： G03H1/02

CPC分类号： G03F7/001 ,  G03F7/0043

摘要： The present invention provides a hologram recording medium which can attain high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, durability, low dimension change (low shrinkage) and high multiplicity in holographic memory record using a blue laser. A hologram recording medium (11) comprising at least a hologram recording material layer, wherein the hologram recording material layer (21) comprises at least a metal oxide and a photopolymerizable compound; and said hologram recording medium has a light transmittance of 50% or more at a wavelength of 405 nm, or a light reflectance of 25% or more at a wavelength of 405 nm.

摘要翻译： 本发明提供一种全息图记录介质，其能够使用蓝色激光获得全息记录记录中的高折射率变化，柔性，高灵敏度，低散射性，耐环境性，耐久性，低尺寸变化（低收缩）和高倍数。 包括至少全息记录材料层的全息记录介质（11），其中全息记录材料层（21）至少包含金属氧化物和可光聚合化合物; 并且所述全息记录介质的波长为405nm时的透光率为50％以上，波长405nm的光反射率为25％以上。

公开(公告)号：US08367274B2

公开(公告)日：2013-02-05

申请号：US11556813

申请日：2006-11-06

申请人： Jiro Yoshinari ,  Naoki Hayashida

发明人： Jiro Yoshinari ,  Naoki Hayashida

IPC分类号： G03C1/72 ,  G03H1/04

CPC分类号： G03H1/02 ,  G03F7/001 ,  G03F7/0042 ,  G03F7/0757 ,  G03H2001/0264 ,  G03H2260/12

摘要： The present invention provides a hologram recording material which attains high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, durability, low shrinkage, and high multiplicity, and is suitable for volume hologram recording. Also, the present invention provides a hologram recording medium. A hologram recording material comprising: an organometallic compound at least containing at least two kinds of metals, oxygen, and an aromatic group, and having an organometallic unit wherein two aromatic groups are bonded directly to one metal; and a photopolymerizable compound containing at least a monofunctional compound (A) having one polymerizable functional group in the molecule. The hologram recording material may comprise, as the photopolymerizable compound, a polyfunctional compound (B) having two or more polymerizable functional groups in the molecule. A hologram recording medium 11 has a hologram recording material layer 21.

摘要翻译： 本发明提供一种获得高折射率变化，柔韧性，高灵敏度，低散射性，耐环境性，耐久性，低收缩率和高倍数的全息记录材料，适用于体积全息图记录。 此外，本发明提供一种全息记录介质。 一种全息记录材料，包括：至少含有两种金属，氧和芳族基团的有机金属化合物，并且具有有机金属单元，其中两个芳族基团直接键合到一个金属上; 和至少含有分子内具有一个聚合性官能团的单官能化合物（A）的光聚合性化合物。 作为光聚合性化合物，全息记录材料可以包含在分子中具有2个以上聚合性官能团的多官能化合物（B）。 全息记录介质11具有全息记录材料层21。

公开(公告)号：US20120256334A1

公开(公告)日：2012-10-11

申请号：US13412323

申请日：2012-03-05

申请人： Jiro YOSHINARI ,  Naoki HAYASHIDA ,  Shohei FUJII ,  Kazushi TANAKA

发明人： Jiro YOSHINARI ,  Naoki HAYASHIDA ,  Shohei FUJII ,  Kazushi TANAKA

IPC分类号： B29D11/00

CPC分类号： G03H1/02 ,  G03H1/30 ,  G03H2001/026 ,  G03H2240/52

摘要： An optimal recording exposure is determined by varying in the first to nth stages the recording exposure with a write laser beam to record a bright pattern image and a dark pattern image in each stage as the first to nth bright pattern images and the first to nth dark pattern images, respectively; irradiating the respective pattern images with a read beam to detect the intensity of a diffracted beam from the central portion of each image of the bright and dark patterns; calculating Sa1/Sb1=SNR1, . . . , and San/Sbn=SNRn, where Sa1 to San are the intensity of a diffracted beam from the first to nth bright pattern images and Sb1 to Sbn are the intensity of s diffracted beam from the first to nth dark pattern images; and determining a recording exposure which is given at the SNRmax being the maximum value of the resulting SNR1 to SNRn.

摘要翻译： 通过在写入激光束的第一至第n级变化记录曝光来确定最佳记录曝光，以将每个阶段中的亮图案图像和暗图案图像记录为第一至第n亮图案图像和第一至第n黑暗 图案图像; 用读取光束照射各图案图像，以检测来自亮和暗图案的每个图像的中心部分的衍射光束的强度; 计算Sa1 / Sb1 = SNR1， 。 。 ，San / Sbn = SNRn，其中Sa1至San是从第一至第n亮图案图像的衍射光束的强度，Sb1至Sbn是从第一至第n暗图案图像的衍射光束的强度; 并且确定以SNRmax给出的记录曝光是所得SNR1至SNRn的最大值。

公开(公告)号：US20120086993A1

公开(公告)日：2012-04-12

申请号：US13226119

申请日：2011-09-06

申请人： Naoki HAYASHIDA ,  Kazushi TANAKA ,  Jiro YOSHINARI

发明人： Naoki HAYASHIDA ,  Kazushi TANAKA ,  Jiro YOSHINARI

IPC分类号： G03H1/02 ,  G03H1/26

CPC分类号： G11B7/245 ,  G03H2001/2271 ,  G03H2260/12 ,  G11B7/24044

摘要： A photopolymer medium 10 for color hologram image recording, which is formed so that a color image having a high diffraction efficiency can be obtained by exposing the same recording layer to light at a plurality of wavelengths, includes a recording layer 14 that has a recording sensitivity to light in two wavelength regions of a wavelength λ1 and a wavelength λ2. This recording layer 14 is formed from a material in which a transmittance T1 of light at the wavelength λ1 and a transmittance T2 of light at the wavelength λ2 of the recording layer before recording are both less than 80%, T1 T1, and 10%

摘要翻译： 用于彩色全息图像记录的光聚合物介质10被形成为使得通过将相同的记录层暴露于多个波长的光可以获得具有高衍射效率的彩色图像，该记录层具有记录灵敏度 以在波长λ1和波长λ2的两个波长区域中点亮。 该记录层14由在记录前记录层的波长λ1的光的透射率T1和记录层的波长λ2的光的透过率T2都小于80％，T1 T1，10％

公开(公告)号：US20110287343A1

公开(公告)日：2011-11-24

申请号：US13107281

申请日：2011-05-13

申请人： Naoki HAYASHIDA ,  Kazushi Tanaka ,  Jiro Yoshinari

发明人： Naoki HAYASHIDA ,  Kazushi Tanaka ,  Jiro Yoshinari

IPC分类号： G03F7/00

CPC分类号： G03F7/001 ,  G03F7/027

摘要： The present invention provides a hologram recording material and a hologram recording medium that can stably maintain the shape of a recording layer and achieve high diffraction efficiency. A hologram recording material comprising a photoradical polymerizable compound (A), a photopolymerization initiator (B), and a dispersion medium (C). The medium (C) is selected from the group consisting of: a compound of the formula (I): wherein R11 is a divalent C2-4 hydrocarbon group, R12 and R13 each independently represent a C1-10 hydrocarbon group, k, l, m and n are each independently a number of 0 or more and 5 or less; and a compound of the formula (II): wherein R21 represents a divalent C1-6 hydrocarbon group, R22 and R23 each independently represent a C1-12 hydrocarbon group, and at least one of R22 and R23 represents a C5-12 hydrocarbon group.

摘要翻译： 本发明提供一种可以稳定地保持记录层的形状并实现高衍射效率的全息记录材料和全息记录介质。 包含光自由基聚合性化合物（A），光聚合引发剂（B）和分散介质（C）的全息记录材料。 介质（C）选自：式（I）化合物：其中R 11是二价C 2-4烃基，R 12和R 13各自独立地表示C 1-10烃基，k，l， m和n各自独立地为0以上且5以下的数; 和式（II）的化合物：其中R21表示二价C1-6烃基，R22和R23各自独立地表示C1-12烃基，R22和R23中的至少一个表示C5-12烃基。

公开(公告)号：US08021800B2

公开(公告)日：2011-09-20

申请号：US12109000

申请日：2008-04-24

申请人： Atsuko Kosuda ,  Naoki Hayashida ,  Jiro Yoshinari

发明人： Atsuko Kosuda ,  Naoki Hayashida ,  Jiro Yoshinari

IPC分类号： G03H1/02

CPC分类号： G03F7/001 ,  G03F7/0042 ,  G03F7/0043

摘要： The present invention provides a hologram recording material which is suitable for volume hologram record and attains high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, durability, low shrinkage and high multiplicity in holographic memory record using not only a green laser but also a blue laser; a process for producing the same; and a hologram recording medium having the hologram recording material. A hologram recording material comprising: a metal oxide containing at least Si and Zr as metals, wherein an aromatic carboxylic acid compound is coordinated to Zr; and a photopolymerizable compound. The aromatic carboxylic acid compound is, for example, toluic acid. A hologram recording medium (11) comprising the hologram recording material layer (21).

摘要翻译： 本发明提供一种全息记录材料，其适用于体积全息记录，并且在全息记录记录中不仅使用绿色激光，而且获得高折射率变化，柔性，高灵敏度，低散射，环境耐久性，耐久性，低收缩率和高倍数 也是一个蓝色激光; 其制造方法; 以及具有全息图记录材料的全息图记录介质。 一种全息记录材料，包括：至少含有Si和Zr作为金属的金属氧化物，其中芳族羧酸化合物与Zr配位; 和光聚合性化合物。 芳族羧酸化合物是例如甲苯甲酸。 包括全息记录材料层（21）的全息记录介质（11）。

公开(公告)号：US07932000B2

公开(公告)日：2011-04-26

申请号：US11847831

申请日：2007-08-30

申请人： Naoki Hayashida ,  Atsuko Kosuda ,  Jiro Yoshinari

发明人： Naoki Hayashida ,  Atsuko Kosuda ,  Jiro Yoshinari

IPC分类号： G03H1/02

CPC分类号： G03F7/001 ,  G03F7/0043 ,  G03H2260/12

摘要： The present invention provides a hologram recording medium which can attain high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, durability, low dimension change (low shrinkage) and high multiplicity in holographic memory record using a blue laser. A hologram recording medium (11) comprising at least a hologram recording material layer, wherein the hologram recording material layer (21) comprises at least: an organometallic compound having at least a Ti—O bond, and a photopolymerizable compound; and said medium has a light transmittance is 50% or more at a wavelength of 405 nm, or a light reflectance is 25% or more at a wavelength of 405 nm. The organometallic compound is favorably obtained by subjecting an alkoxide compound of the corresponding metal(s) to hydrolysis and polymerization reaction in an organic solvent which neither contains cyclic ether skeleton nor carbonyl oxygen.

摘要翻译： 本发明提供一种全息图记录介质，其能够使用蓝色激光获得全息记录记录中的高折射率变化，柔性，高灵敏度，低散射性，耐环境性，耐久性，低尺寸变化（低收缩）和高倍数。 包括至少全息记录材料层的全息记录介质（11），其中全息记录材料层（21）至少包括：至少具有Ti-O键的有机金属化合物和可光聚合化合物; 并且所述介质在波长405nm下的透光率为50％以上，或者波长405nm下的光反射率为25％以上。 有机金属化合物有利地通过使相应金属的醇盐化合物在不含环状醚骨架和羰基氧的有机溶剂中进行水解和聚合反应而获得。

公开(公告)号：US07883821B2

公开(公告)日：2011-02-08

申请号：US11953325

申请日：2007-12-10

申请人： Atsuko Kosuda ,  Naoki Hayashida ,  Jiro Yoshinari

发明人： Atsuko Kosuda ,  Naoki Hayashida ,  Jiro Yoshinari

IPC分类号： G03H1/02 ,  C03B8/02

CPC分类号： C01G23/047 ,  C01P2006/60 ,  C09C1/3676 ,  C09C1/3684

摘要： The present invention provides a process for producing a titanium-containing metal oxide the coloration of which is decreased; a hologram recording material suitable for holographic memory recording using a blue laser, wherein a titanium-containing metal oxide the coloration of which is decreased is used as a metal oxide matrix; a process for producing the same; and a hologram recording medium. A process for producing a metal oxide comprising at least Ti as a metal element, the process comprising: providing an alkoxide compound of Ti to which a glycol other than any geminal diol and any vicinal diol is coordinated; hydrolyzing the alkoxide compound of Ti to which the glycol is coordinated, thereby yielding a precursor of a metal oxide; and advancing polycondensation reaction of the metal oxide precursor, thereby forming the metal oxide.

摘要翻译： 本发明提供了一种着色降低的含钛金属氧化物的制造方法， 使用适合于使用蓝色激光的全息记录记录的全息记录材料，其中着色减少的含钛金属氧化物用作金属氧化物基体; 其制造方法; 和全息图记录介质。 一种生产包含至少Ti作为金属元素的金属氧化物的方法，所述方法包括：提供除了任何偕二醇和任何邻二醇以外的二醇以外的二元醇配位的Ti的烷氧基化合物; 水解与二醇配位的Ti的醇盐化合物，从而产生金属氧化物的前体; 并促进金属氧化物前体的缩聚反应，从而形成金属氧化物。