公开(公告)号：JP2005196945A

公开(公告)日：2005-07-21

申请号：JP2004355080

申请日：2004-12-08

Applicant: Fuji Photo Film Co Ltd ,  富士写真フイルム株式会社

Inventor： MIKOSHIBA TAKASHI ,  SHIBATA MICHIHIRO

IPC: B41M5/26 ,  C09B23/00 ,  C09B69/04 ,  G11B7/24 ,  G11B7/244

Abstract: PROBLEM TO BE SOLVED: To provide an optical information recording medium realizing high reflectance and a high degree of modulation in high speed recording of an 8× or higher speed while maintaining sufficient recording characteristics in low speed recording at a 1× to about 4× speed and having high robustness to light and heat. SOLUTION: The heat mode write-once type optical information recording medium includes: a transparent substrate; a recording layer containing a dye; and a reflective layer. The recording layer contains an organic dye (preferably an oxonol dye) as a main component, and the medium has an optimum recording power of at least 25 mW when recorded at a linear velocity v (m/sec) with a laser beam having a wavelength of 600 to 700 nm, the optimum recording power being defined as a recording power (Po) at which a jitter in recording 8/16 modulation signals is lowest and being represented by equation 1 in which P1 is the optimum recording power in recording at a linear velocity of 3.5 (m/sec). COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种在8×或更高速度的高速记录中实现高反射率和高调制度的光学信息记录介质，同时在1×至约1的低速记录中保持足够的记录特性 4倍速，对光和热具有很强的鲁棒性。 解决方案：热模式一次写入型光学信息记录介质包括：透明基板; 含有染料的记录层; 和反射层。 记录层含有有机染料（优选氧杂菁染料）作为主要成分，并且当以具有波长的激光束以线速度v（m / sec）记录时，介质具有至少25mW的最佳记录功率 600至700nm的最佳记录功率被定义为记录8/16调制信号中的抖动最低并由等式1表示的记录功率（Po），其中P1是在记录中的最佳记录功率 线速度为3.5（m / sec）。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2004362644A

公开(公告)日：2004-12-24

申请号：JP2003157781

申请日：2003-06-03

Applicant: Fuji Photo Film Co Ltd ,  富士写真フイルム株式会社

Inventor： SHIBATA MICHIHIRO

IPC: B41M5/26 ,  G11B7/0045 ,  G11B7/244 ,  G11B7/246 ,  G11B7/24

CPC classification number: G11B7/246 ,  G11B7/00455 ,  G11B7/245 ,  G11B7/2463 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/2475 ,  G11B7/2478 ,  G11B7/248 ,  G11B7/249 ,  G11B7/2531 ,  G11B7/2532 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2535 ,  G11B7/2542 ,  G11B7/256 ,  G11B7/2575 ,  G11B7/259 ,  G11B2007/2571

Abstract: PROBLEM TO BE SOLVED: To provide an optical information recording method having a low LPP error rate even when recording is performed at a ≥14 m/s linear recording speed. SOLUTION: In the optical information recording method by which information is recorded at a ≥14 m/s linear recording speed to an optical information recording medium having a recording layer containing a dye on a substrate, the dye has an endothermic peak, preferably a ≥10 μVs/mg endothermic peak when the dye is analyzed by a differential thermal analysis under a nitrogen stream. COPYRIGHT: (C)2005,JPO&NCIPI

公开(公告)号：JP2003030896A

公开(公告)日：2003-01-31

申请号：JP2001211706

申请日：2001-07-12

Applicant: Fuji Photo Film Co Ltd ,  富士写真フイルム株式会社

Inventor： SHIBATA MICHIHIRO

IPC: G11B7/24 ,  G11B7/254 ,  G11B7/257

Abstract: PROBLEM TO BE SOLVED: To provide an optical information recording medium which contains coloring matters in a recording layer and can record and reproduce information by irradiation of laser from the light transmission layer side and can have a large capacity. SOLUTION: The optical information recording medium has at least a light reflection layer, a recording layer, and the light transmission layer in order on a substrate, and the recording layer contains coloring matters, and the dissolution rate of the coloring matters to the light transmission layer is

Abstract translation: 要解决的问题：提供一种在记录层中含有着色剂的光学信息记录介质，并且可以通过从光透射层侧照射激光来记录和再现信息，并且可以具有大的容量。 解决方案：光学信息记录介质在基板上依次至少具有光反射层，记录层和透光层，并且记录层含有着色物质，着色剂对光传输的溶解速率 层是透光层的<= 0.1质量％，激光从光透射层侧入射记录再现信息。

公开(公告)号：JP2006260750A

公开(公告)日：2006-09-28

申请号：JP2006041336

申请日：2006-02-17

Applicant: Fuji Photo Film Co Ltd ,  富士写真フイルム株式会社

Inventor： SHIBATA MICHIHIRO ,  SATO AKIHIKO

IPC: G11B7/24 ,  G11B7/26 ,  G11B23/40

Abstract: PROBLEM TO BE SOLVED: To provide an optical recording medium capable of forming a visible image having satisfactory visibility by using a laser beam and to provide a method for manufacturing the same. SOLUTION: In the optical recording medium having an information recording layer and an image recording layer on a first substrate in this order and a second substrate on the image recording layer, the surface on the image recording layer side of the second substrate is roughened. The method for manufacturing the optical recording medium includes a surface roughening process for roughening the surface of the second substrate on which the information recording layer is to be formed, an image recording layer forming process for forming the image recording layer on the roughened surface of the second substrate, an information recording layer forming process for forming the information recording layer on the first substrate and a laminating process for laminating the first and the second substrates to each other. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种能够通过使用激光束形成具有令人满意的可见度的可视图像并提供其制造方法的光学记录介质。 解决方案：在具有第一基板上的信息记录层和图像记录层的光记录介质中，在图像记录层上的第二基板上，第二基板的图像记录层侧的表面是 粗糙。 制造光记录介质的方法包括：粗糙化要在其上形成信息记录层的第二基板的表面的表面粗糙化处理，用于在图像记录层的粗糙表面上形成图像记录层的图像记录层形成工艺 第二基板，用于在第一基板上形成信息记录层的信息记录层形成工艺和用于将第一和第二基板彼此层压的层压工艺。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2006024322A

公开(公告)日：2006-01-26

申请号：JP2004203279

申请日：2004-07-09

Applicant: Fuji Photo Film Co Ltd ,  富士写真フイルム株式会社

Inventor： SHIBATA MICHIHIRO

IPC: G11B7/26 ,  G11B7/24

Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of an optical recording medium capable of securing reproducibility of recording and reproducing characteristics even when a coating liquid for forming a recording layer containing a plurality of similar coloring matters is reused and efficiently realizing reduction of the manufacturing cost. SOLUTION: In the manufacturing method of the optical recording medium having a recording layer on a substrate, containing the plurality of coloring matters having maximum absorption wavelengths whose differences are within 30 nm, when the recording layer is formed, the coating liquid for forming the recording layer is applied by a spin coating method, the coating liquid for forming the recording layer or the coloring matters dispersed by a spin coater are recovered, the recovered coating liquid or the coloring matters are diluted by the solvent identical with the solvent of the coating liquid to form a diluted liquid, component concentration of the diluted liquid is analyzed by using a liquid chromatography satisfying the following conditions (A) and (B) and a solution obtained by adjusting the component concentration of the diluted liquid based on the result of analysis is reused. (A) A wavelength between the maximum absorption wavelength on the shortest wave side and the maximum absorption wavelength on the longest wave side is designated as an HPLC detection wavelength. (B) A sample injection quantity is set to ≥10 μl. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：为了提供能够确保记录和再现特性的再现性的光学记录介质的制造方法，即使当用于形成包含多个类似着色剂的记录层的涂布液被重新使用并且有效地实现还原 的制造成本。 解决方案：在具有在基板上具有记录层的光学记录介质的制造方法中，包含多个色差物质，其具有最大吸收波长，其差异在30nm以内，当形成记录层时， 通过旋涂法施加形成记录层，回收用于形成记录层的涂布液或由旋涂机分散的着色剂，回收的涂布液或着色剂用与溶剂相同的溶剂稀释 通过使用满足以下条件（A）和（B）的液相色谱法分析稀释液的成分浓度，并根据结果调整稀释液的成分浓度而得到的溶液 的分析被重用。 （A）最短波侧的最大吸收波长与最长波侧的最大吸收波长之间的波长被指定为HPLC检测波长。 （B）样品注射量设定为≥10μl。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2004188968A

公开(公告)日：2004-07-08

申请号：JP2003386222

申请日：2003-11-17

Applicant: Fuji Photo Film Co Ltd ,  富士写真フイルム株式会社

Inventor： MORISHIMA SHINICHI ,  AKIBA MASAATSU ,  INAGAKI YOSHIO ,  SHIBATA MICHIHIRO ,  MIKOSHIBA TAKASHI

IPC: B41M5/26 ,  C07D493/10 ,  C07D519/00 ,  C09B23/00 ,  C09B23/08 ,  G11B7/244 ,  G11B7/247 ,  G11B7/24

CPC classification number: C09B23/083 ,  C09B23/00 ,  C09B23/0075 ,  C09B69/04 ,  G11B7/00456 ,  G11B7/24038 ,  G11B7/244 ,  G11B7/245 ,  G11B7/246 ,  G11B7/2467 ,  G11B7/247 ,  G11B7/2472 ,  G11B7/2475 ,  G11B7/2478 ,  G11B7/248 ,  G11B7/249 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/2578 ,  G11B7/259 ,  G11B2007/24612 ,  Y10S430/146

Abstract: PROBLEM TO BE SOLVED: To provide coloring matter for an optical information recording medium which realizes a high reflectance and a high-modulation degree even in four-speed or more high-speed recording, while maintaining excellent recording characteristics in low-speed recording of about 1 to double-speed, and of which the real part n of the complex refractive index is large and the imaginary part k is about equal to or smaller than it. SOLUTION: This optical information recording medium contains the coloring matter having two or more chromophores in the molecule and these chromophores are connected without mediated by a conjugated bond. COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：JP2004185751A

公开(公告)日：2004-07-02

申请号：JP2002353467

申请日：2002-12-05

Applicant: Fuji Photo Film Co Ltd ,  富士写真フイルム株式会社

Inventor： SHIBATA MICHIHIRO

IPC: G11B7/26

Abstract: PROBLEM TO BE SOLVED: To provide an optical recording medium small in recording characteristic difference betwean an inner circumferential side and an outer circumferential side, and to provide a method for producing the medium.
SOLUTION: The method for producing the optical recording medium includes: a step of coating a dye solution on a substrate by a spin coating method to form a dye recording layer, wherein the substrate is rotated at a rotation speed lower than during a period from the beginning to the end of the supply of the dye solution in the sequence from beginning to the end of the supply of the dye solution.
COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：JP2004030785A

公开(公告)日：2004-01-29

申请号：JP2002185544

申请日：2002-06-26

Applicant: Fuji Photo Film Co Ltd ,  富士写真フイルム株式会社

Inventor： SHIBATA MICHIHIRO

IPC: B29C65/48 ,  G11B7/245 ,  G11B7/246 ,  G11B7/256 ,  G11B7/24

CPC classification number: G11B7/256 ,  B29C65/1406 ,  B29C65/48 ,  B29C65/4845 ,  B29C66/1122 ,  B29C66/452 ,  B29C66/71 ,  B29C66/73772 ,  B29C66/7392 ,  B29C66/73921 ,  B29C66/7394 ,  B29C66/73941 ,  B29L2017/005 ,  G11B7/24024 ,  G11B7/245 ,  G11B7/246 ,  G11B7/2463 ,  G11B7/2472 ,  G11B7/2475 ,  G11B7/2478 ,  G11B7/248 ,  G11B7/249 ,  G11B7/2532 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2535 ,  G11B7/2542 ,  G11B7/259 ,  B29K2069/00 ,  B29K2023/00

Abstract: PROBLEM TO BE SOLVED: To provide a good-looking optical recording medium of a stuck-together type in which at least a reflective layer and an adhesive layer are arranged in this order outside the periphery of a center hole on a transparent substrate having the center hole, and the adhesive layer is stuck with great strength to another substrate having the same shape as the transparent substrate or another layer having almost the same shape as the transparent substrate. SOLUTION: In the optical recording medium, the other adhesive layer is formed on the substrate between the edge part of the center hole and either the inner peripheral edge part of a region forming the reflective layer or the peripheral edge part of a region forming the adhesive layer whichever located near the center hole. It is desirable that the other adhesive layers are formed at the whole periphery of the center hole in a state of contact with the periphery . COPYRIGHT: (C)2004,JPO

公开(公告)号：JP2005336236A

公开(公告)日：2005-12-08

申请号：JP2004153501

申请日：2004-05-24

Applicant: Fuji Photo Film Co Ltd ,  富士写真フイルム株式会社

Inventor： MIKOSHIBA TAKASHI ,  MOTOKI MASUSHI ,  SHIBATA MICHIHIRO

IPC: B41M5/26 ,  C07D213/22 ,  C07D319/06 ,  C09B23/00 ,  C09B69/04 ,  G11B7/24 ,  G11B7/244

Abstract: PROBLEM TO BE SOLVED: To obtain a dye having high recording sensitivity and high-speed recording suitability in use for an optical recording medium, a dye having low jitter in recording reproduction of an optical information medium and high light fastness and wet-heat fastness and a dye having high solubility in a coating solution and high solution stability in a coating solution with time. SOLUTION: The heptamethine oxonol dye has a structure represented by formula (I). The optical information medium contains the heptamethine oxonol dye. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题为了获得用于光学记录介质的具有高记录灵敏度和高速记录适用性的染料，在光学信息介质的记录再现中具有低抖动的染料和高耐光性和耐湿性， 耐热性和在涂布溶液中具有高溶解度的染料以及随时间的涂布溶液中的高溶液稳定性。 解决方案：七甲氧基oxonol染料具有由式（I）表示的结构。 光学信息介质含有七甲氧基oxonol染料。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2004178733A

公开(公告)日：2004-06-24

申请号：JP2002345542

申请日：2002-11-28

Applicant: Fuji Photo Film Co Ltd ,  富士写真フイルム株式会社

Inventor： SHIBATA MICHIHIRO

IPC: G11B7/26

Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing an optical recording medium for manufacturing the optical recording medium which has low noise level and has good recording and reproducing characteristics.
SOLUTION: The method for manufacturing the optical recording medium includes a step of discharging and applying a dye solution onto a substrate by a spin coating method to form a dye recording layer, wherein the substrate is rotated at a rotation speed of 400rpm or higher during a period from the beginning to the end of the discharge of the dye solution.
COPYRIGHT: (C)2004,JPO