公开(公告)号：US20090097085A1

公开(公告)日：2009-04-16

申请号：US12243077

申请日：2008-10-01

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： G03H1/02 ,  G03H2001/0264 ,  G03H2250/43 ,  G03H2260/12 ,  G11B7/245 ,  G11B7/246 ,  G11B7/2492 ,  G11B7/2531

摘要： The present invention provides a hologram recording medium wherein high refractive index change, flexibility, low scattering, environment resistance, durability, low dimensional change (low shrinkage), and high multiplicity are attained in holographic memory recording using a blue laser as well as a green laser. A hologram recording medium comprising at least a hologram recording layer, wherein the hologram recording layer (21) contains at least an organometallic compound which contains a metal atom, an organic group, and an oxygen atom, and has a direct bond between the metal atom and a carbon atom in the organic group (a metal-carbon bond), and a bond between the metal atoms through the oxygen atom (a metal-oxygen-metal bond) and a photopolymerizable compound; and the hologram recording layer (21) contains the metal atoms in an amount of 3.0% by mass or more and 20% by mass or less with respect to the hologram recording layer.

摘要翻译： 本发明提供了一种全息记录介质，其中使用蓝色激光和绿色的全息记录记录中获得高折射率变化，柔性，低散射性，耐环境性，耐久性，低尺寸变化（低收缩）和高多重性 激光。 一种包括至少全息记录层的全息记录介质，其中全息记录层（21）至少包含含有金属原子，有机基团和氧原子的有机金属化合物，并且在金属原子之间具有直接键合 和有机基团（金属 - 碳键）中的碳原子和通过氧原子（金属 - 氧 - 金属键）的金属原子和光聚合性化合物之间的键; 全息记录层（21）相对于全息图记录层含有3.0质量％以上且20质量％以下的金属原子。

公开(公告)号：US20090092904A1

公开(公告)日：2009-04-09

申请号：US12235958

申请日：2008-09-23

申请人： Naoki HAYASHIDA ,  Atsuko Kosuda ,  Jiro Yoshinari

发明人： Naoki HAYASHIDA ,  Atsuko Kosuda ,  Jiro Yoshinari

IPC分类号： G03F7/004

CPC分类号： G03F7/001 ,  G03F7/032 ,  G03F7/0757

摘要： The present invention provides a hologram recording medium wherein, in holographic memory recording using a blue laser as well as a green laser, a fall in light transmittance is very small even after recording. A hologram recording medium comprising at least a hologram recording material layer, wherein the hologram recording material layer (21) comprises at least fine particles of a metal compound, and a photopolymerizable compound; and the recording sensitivity of said recording medium (11) to a laser light having a wavelength of 405±5 nm is 0.05 cm/mJ or more and 1.20 cm/mJ or less.

摘要翻译： 本发明提供了一种全息记录介质，其中在使用蓝色激光和绿色激光的全息存储器记录中，即使在记录之后，透光率的下降也非常小。 一种包括至少全息记录材料层的全息记录介质，其中全息记录材料层（21）至少包含细小的金属化合物颗粒和可光聚合化合物; 并且所述记录介质（11）对波长为405±5nm的激光的记录灵敏度为0.05cm / mJ以上至1.20cm / mJ以下。

公开(公告)号：US20080057406A1

公开(公告)日：2008-03-06

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： G03F7/00

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：US20100086859A1

公开(公告)日：2010-04-08

申请号：US12556965

申请日：2009-09-10

申请人： Naoki HAYASHIDA ,  Atsuko Kosuda ,  Jiro Yoshinari

发明人： Naoki HAYASHIDA ,  Atsuko Kosuda ,  Jiro Yoshinari

IPC分类号： G03F7/00

CPC分类号： G03F7/001 ,  G03F7/0043 ,  G03F7/027

摘要： The present invention provides a hologram recording material and a hologram recording medium, which are suitable for volume hologram record and can attain high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, that is, storage stability, durability, low dimensional change (low shrinkage) and high multiplicity in holographic memory recording using not only a green laser but also a blue laser. A hologram recording material comprising: a radical photopolymerizable compound; and a matrix which is a dispersion medium for the radical photopolymerizable compound, wherein the radical photopolymerizable compound comprises a (meth)acrylamide derivative represented by the following general formula (I): CH2═CR1—CONR2—CH2—O—R3 (I) wherein R1 represents H or a CH3 group, R2 represents H or an organic group, and R3 represents an organic group having 3 or more carbon atoms in total. A hologram recording medium 11 which has a hologram recording layer 21.

摘要翻译： 本发明提供一种全息记录材料和全息记录介质，它们适用于体积全息记录，可获得高折射率变化，灵活性，高灵敏度，低散射，耐环境性，即储存稳定性，耐久性，低维度 使用不仅绿色激光而且蓝色激光的全息记录记录的变化（低收缩）和高的多重性。 一种全息记录材料，包括：自由基可光聚合化合物; 以及作为自由基光聚合性化合物的分散介质的基质，其中所述基团光聚合性化合物包含由以下通式（I）表示的（甲基）丙烯酰胺衍生物：CH2 = CR1-CONR2-CH2-O-R3（I） 其中R1表示H或CH3基，R2表示H或有机基，R3表示总共具有3个以上碳原子的有机基团。 具有全息图记录层21的全息记录介质11。

公开(公告)号：US20080193857A1

公开(公告)日：2008-08-14

申请号：US12021686

申请日：2008-01-29

申请人： Atsuko KOSUDA ,  Naoki HAYASHIDA ,  Jiro YOSHINARI

发明人： Atsuko KOSUDA ,  Naoki HAYASHIDA ,  Jiro YOSHINARI

IPC分类号： G03F1/14

CPC分类号： G03F7/001 ,  C08G65/18 ,  C08G65/3322 ,  G03F7/032 ,  G03F7/0757 ,  G03H1/02 ,  G03H2001/0264 ,  G03H2250/43 ,  G03H2260/12 ,  G11B7/24044 ,  G11B7/245 ,  G11B7/2492

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 a β-dicarbonyl compound is coordinated to Zr; and a photopolymerizable compound, wherein a mole ratio of the β-dicarbonyl compound to the Zr atom (β-dicarbonyl compound/Zr ratio) is 2/1 or more and 3/1 or less, and a mole ratio of the Si atom to the Zr atom (Si/Zr ratio) is more than 1/1 and 1.15/1 or less in the metal oxide. 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β-二羰基化合物与Zr配位; 和β-二羰基化合物与Zr原子的摩尔比（β-二羰基化合物/ Zr比）为2/1以上3/1以下的光聚合性化合物，Si原子与 Zr原子（Si / Zr比）在金属氧化物中大于1/1和1.15 / 1以下。 包括全息记录材料层（21）的全息记录介质（11）。