公开(公告)号：US08535852B2

公开(公告)日：2013-09-17

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： G03H1/02

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：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：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：US08420279B2

公开(公告)日：2013-04-16

申请号：US11847730

申请日：2007-08-30

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： G03H1/02 ,  G03H2001/0264 ,  G03H2260/12 ,  G11B7/24044 ,  G11B7/245 ,  G11B7/246 ,  G11B7/2472 ,  G11B7/2475 ,  G11B7/2492 ,  G11B7/2531

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 comprising Si and at least one selected from the group consisting of Ta and Zr, as metals, wherein a complexing ligand is coordinated to Ta and/or Zr; and a photopolymerizable compound. The complexing ligand is preferably selected from the group consisting of β-dicarbonyl compounds, polyhydroxylated ligands, and α- or β-hydroxy acids. 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：金属氧化物，其包含Si和选自Ta和Zr中的至少一种作为金属，其中配位配体与Ta和/或Zr配位; 和光聚合性化合物。 络合配体优选选自由二羰基化合物，多羟基化配体和α-或β-二羟基酸组成的组。 包括全息记录材料层（21）的全息记录介质（11）。

公开(公告)号：US08310745B2

公开(公告)日：2012-11-13

申请号：US12654445

申请日：2009-12-18

申请人： Jiro Yoshinari ,  Atsuko Kosuda ,  Naoki Hayashida ,  Motohiro Inoue

发明人： Jiro Yoshinari ,  Atsuko Kosuda ,  Naoki Hayashida ,  Motohiro Inoue

IPC分类号： G03H1/10

CPC分类号： G03H1/28 ,  G03H2001/0264 ,  G03H2001/0415 ,  G03H2222/31 ,  G03H2250/34 ,  G11B7/24044 ,  G11B7/26

摘要： A method for forming an information recording layer including a multilayer stack of reflection hologram layers modulated in the depth direction of a hologram material layer is provided. The method includes: generating a first pair of polarized coherent laser beams and a second pair of polarized coherent laser beams that are incoherent with the first pair; directing the first pair of polarized coherent laser beams to the hologram material layer from opposite sides thereof, respectively, such that the incident angles of the first pair are symmetric with respect to the hologram material layer; directing the second pair of polarized coherent laser beams to the hologram material layer from the opposite sides thereof, respectively, at incident angles different from the incident angles of the first pair; and forming the multilayer stack of reflection hologram layers according to the interference pattern of the first and second pairs of polarized coherent laser beams.

摘要翻译： 提供一种形成信息记录层的方法，该信息记录层包括在全息图材料层的深度方向上调制的反射全息图层的多层叠层。 该方法包括：产生与第一对不相干的第一对偏振相干激光束和第二对偏振相干激光束; 将第一对偏振相干激光束分别从其相对侧引导到全息图材料层，使得第一对的入射角相对于全息图材料层对称; 分别将第二对极化相干激光束从相对侧分别引导到全息图材料层，入射角与第一对的入射角不同; 以及根据第一和第二对偏振相干激光束的干涉图形形成反射全息图层的多层叠层。

公开(公告)号：US08617772B2

公开(公告)日：2013-12-31

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： G03H1/02

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; 和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：US08391121B2

公开(公告)日：2013-03-05

申请号：US12585395

申请日：2009-09-14

申请人： Noriyuki Kawano ,  Jiro Yoshinari ,  Motohiro Inoue ,  Atsuko Kosuda ,  Naoki Hayashida

发明人： Noriyuki Kawano ,  Jiro Yoshinari ,  Motohiro Inoue ,  Atsuko Kosuda ,  Naoki Hayashida

IPC分类号： G11B7/00

CPC分类号： G11B7/08511 ,  G11B7/1374 ,  G11B7/1378 ,  G11B7/139 ,  G11B2007/0013

摘要： A recording and reading system for a multi-layered optical recording medium includes: a multi-layered optical recording medium including a plurality of recording layers and a single servo layer; and an optical head. The optical head includes a recording and reading objective lens of a signal recording and reading optical system and a servo objective lens of a servo signal detection optical system that are disposed on a common actuator. The recording and reading objective lens is mounted on the common actuator through a minute-drive apparatus so as to be minutely driven in a focusing direction relative to the servo objective lens. When the servo objective lens is focused on the servo layer, a reading light beam is quickly focused on a target one of the plurality of recording layers.

摘要翻译： 一种用于多层光学记录介质的记录和读取系统包括：包括多个记录层和单个伺服层的多层光学记录介质; 和光学头。 光头包括信号记录和读取光学系统的记录和读取物镜以及设置在公共致动器上的伺服信号检测光学系统的伺服物镜。 记录和读取物镜通过分钟驱动装置安装在公共致动器上，以便相对于伺服物镜在聚焦方向上被微小地驱动。 当伺服物镜聚焦在伺服层上时，读取光束被快速聚焦在多个记录层中的目标一个上。

公开(公告)号：US20110003240A1

公开(公告)日：2011-01-06

申请号：US12801175

申请日：2010-05-26

申请人： Jiro Yoshinari ,  Motohiro Inoue ,  Atsuko Kosuda ,  Naoki Hayashida

发明人： Jiro Yoshinari ,  Motohiro Inoue ,  Atsuko Kosuda ,  Naoki Hayashida

IPC分类号： G03F7/00

CPC分类号： G03F7/001 ,  G03F7/0043 ,  G03H1/28 ,  G03H1/30 ,  G03H2001/0415 ,  G03H2001/2655 ,  G03H2222/54 ,  G03H2227/03 ,  G11B7/0065 ,  G11B7/00772

摘要： A reflection type hologram recording optical system is provided which implements a method for forming a light reflection hologram having uniform reflectivity. The method includes: focusing a first laser beam through one of a pair of objective lenses, the first beam satisfying the condition given by, 4λn/(NA)2

摘要翻译： 提供了一种实现用于形成具有均匀反射率的光反射全息图的方法的反射型全息记录光学系统。 该方法包括：通过一对物镜中的一个聚焦第一激光束，第一光束满足由4λn/（NA）2

公开(公告)号：US20100195177A1

公开(公告)日：2010-08-05

申请号：US12654445

申请日：2009-12-18

申请人： Jiro Yoshinari ,  Atsuko Kosuda ,  Naoki Hayashida ,  Motohiro Inoue

发明人： Jiro Yoshinari ,  Atsuko Kosuda ,  Naoki Hayashida ,  Motohiro Inoue

IPC分类号： G03H1/18

CPC分类号： G03H1/28 ,  G03H2001/0264 ,  G03H2001/0415 ,  G03H2222/31 ,  G03H2250/34 ,  G11B7/24044 ,  G11B7/26

摘要： A method for forming an information recording layer including a multilayer stack of reflection hologram layers modulated in the depth direction of a hologram material layer is provided. The method includes: generating a first pair of polarized coherent laser beams and a second pair of polarized coherent laser beams that are incoherent with the first pair; directing the first pair of polarized coherent laser beams to the hologram material layer from opposite sides thereof, respectively, such that the incident angles of the first pair are symmetric with respect to the hologram material layer; directing the second pair of polarized coherent laser beams to the hologram material layer from the opposite sides thereof, respectively, at incident angles different from the incident angles of the first pair; and forming the multilayer stack of reflection hologram layers according to the interference pattern of the first and second pairs of polarized coherent laser beams.

摘要翻译： 提供一种形成信息记录层的方法，该信息记录层包括在全息图材料层的深度方向上调制的反射全息图层的多层叠层。 该方法包括：产生与第一对不相干的第一对偏振相干激光束和第二对偏振相干激光束; 将第一对偏振相干激光束分别从其相对侧引导到全息图材料层，使得第一对的入射角相对于全息图材料层对称; 分别将第二对极化相干激光束从相对侧分别引导到全息图材料层，入射角与第一对的入射角不同; 以及根据第一和第二对偏振相干激光束的干涉图形形成反射全息图层的多层叠层。

公开(公告)号：US20090091810A1

公开(公告)日：2009-04-09

申请号：US12236123

申请日：2008-09-23

申请人： Jiro Yoshinari ,  Atsuko Kosuda ,  Naoki Hayashida

发明人： Jiro Yoshinari ,  Atsuko Kosuda ,  Naoki Hayashida

IPC分类号： G03H1/02 ,  G03F7/004

CPC分类号： G03F7/001 ,  G03F7/0047 ,  G03H1/02 ,  G03H2001/0264 ,  G03H2250/43 ,  G11B7/24044 ,  G11B7/245 ,  G11B7/251 ,  G11B7/2531 ,  G11B7/2533

摘要： The present invention provides a hologram recording material and a hologram recording medium, suitable for volume hologram recording, that are excellent in multiple recording characteristics and stability over time in holographic memory recording using a blue laser as well as a green laser. A hologram recording material comprising at least metal compound fine particles and a photopolymerizable compound, wherein the metal compound fine particles comprise organometallic fine particles which contain a metal atom, an organic group, and an oxygen atom, have a direct bond between the metal atom and a carbon atom in the organic group (a metal-carbon bond), and have a bond between the metal atoms through the oxygen atom (a metal-oxygen-metal bond); and the metal compound fine particles are not crosslinked with each other. A hologram recording medium (11) having the hologram recording material layer (21).

摘要翻译： 本发明提供一种适用于体积全息记录的全息图记录材料和全息图记录介质，其在使用蓝色激光以及绿色激光的全息记录记录中具有优异的多重记录特性和稳定性。 至少包含金属化合物微粒和可光聚合化合物的全息记录材料，其中金属化合物微粒包含含有金属原子，有机基团和氧原子的有机金属微粒，在金属原子和 有机基团中的碳原子（金属 - 碳键），并且通过氧原子（金属 - 氧 - 金属键）具有金属原子之间的键。 并且金属化合物微粒彼此不交联。 具有全息记录材料层（21）的全息记录介质（11）。