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1. 发明专利

JP2004244342A Squarylium metal chelate compound and optical recording medium 有权
公开(公告)号：JP2004244342A
公开(公告)日：2004-09-02
申请号：JP2003034358
申请日：2003-02-12
申请人： Kyowa Hakko Kogyo Co Ltd , Kyowa Yuka Co Ltd , Ricoh Co Ltd , 協和油化株式会社 , 協和醗酵工業株式会社 , 株式会社リコー
发明人： YASHIRO TORU , IWAMI TOMOZO , KENJO TATSUO , SHIMIZU IKUO , KINUGASA MOTOHARU , TOYODA HIROSHI
IPC分类号： B41M5/26 , C07D403/08 , C09B23/00 , C09B57/00 , C09B57/10 , G11B7/244 , G11B7/249 , G11B7/24
CPC分类号： G11B7/2467 , C09B57/007 , G11B7/246 , G11B7/2463 , G11B7/247 , G11B7/2472 , G11B7/248 , G11B7/2492 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2535 , G11B7/256 , G11B7/2578 , G11B7/259 , G11B2007/24612 , G11B2007/2571 , G11B2007/25715 , G11B2007/25718 , Y10S430/146
摘要： PROBLEM TO BE SOLVED: To obtain a squarylium metal chelate compound advantageously useful as a recording material in an optical recording medium applicable to a rewritable DVD (digital versatile disk) disc system and an optical recording medium having excellent recording properties, light resistance and storage stability using the same.
SOLUTION: The squarylium metal chelate compound is represented by formula (1) [M is a metal atom having coordination ability; (a) is different from (b), (c) may be the same to or different from (a) or (b) and (a), (b) and (c) are each a squarylium coloring matter type ligand represented by formula (2) [R
1 and R
2 are each the same or different, an alkyl group which may contain a substituent group, an aralkyl group which may contain a substituent group, an aryl group which may contain a substituent group or a heterocyclic group which may contain a substituent group; X is an aryl group which may contain a substituent group, a heterocyclic group which may contain a substituent group or Z
3 =CH (Z
3 is a heterocyclic group which may contain a substituent group)]; (m) is 0 or 1].
COPYRIGHT: (C)2004,JPO&NCIPI

2. 发明专利

JP2006079710A Single-sided two layered optical recording medium, its recording and reproducing method and its recording and reproducing apparatus 审中-公开
标题翻译：单面双层光记录介质，其记录和再现方法及其记录和再现设备
公开(公告)号：JP2006079710A
公开(公告)日：2006-03-23
申请号：JP2004261735
申请日：2004-09-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IWASA HIROYUKI , SHINOZUKA MICHIAKI , MAGAI MASARU , YASHIRO TORU , NAKAMURA YUKI , KENJO TATSUO
IPC分类号： G11B7/24 , G11B7/004 , G11B7/244 , G11B7/254 , G11B7/257
摘要： PROBLEM TO BE SOLVED: To provide a single-sided two layered optical information recording medium wherein the degree of modulation can be specified to be in the range of 60 to 85% and single-sided two layer recording can be satisfactorily performed. SOLUTION: In the single-sided two layered optical recording medium wherein a first substrate 101 on which a first information layer 100 having a recording layer 102 comprising an organic dye is formed and a second substrate 201 on which a second information layer 200 is formed are stuck to each other so that the information layers are opposed to each other via an intermediate layer 300 and a laser beam is made incident from the first substrate 101 side to perform recording/reproduction of information by modulation of a binary or more value of beam intensity, the second information layer 200 comprises a first protective layer 205, a second protective layer 204, a second organic dye recording layer 203 and a reflection layer 202 from the light incident side and the refractive index of the second protective layer 204 is made higher than the refractive index of the first protective layer 205. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种单面双层光学信息记录介质，其中调制度可以指定在60至85％的范围内，并且可以令人满意地进行单面双层记录。解决方案：在其中形成具有包含有机染料的记录层102的第一信息层100的第一衬底101和其上形成有第二信息层200的第二衬底201的单面双层光学记录介质中被形成为彼此粘合，使得信息层经由中间层300彼此相对，并且激光束从第一基板101侧入射以通过二进制或更多值的调制来执行信息的记录/再现的第二信息层200包括来自光入射侧的第一保护层205，第二保护层204，第二有机染料记录层203和反射层202以及第二保护层204的折射率使得高于第一保护层205的折射率。（C）2006年，JPO和NCIPI

3. 发明专利

JP2005302269A Optical recording medium and method for manufacturing the same 审中-公开
标题翻译：光学记录介质及其制造方法
公开(公告)号：JP2005302269A
公开(公告)日：2005-10-27
申请号：JP2005044081
申请日：2005-02-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SHINOZUKA MICHIAKI , IWASA HIROYUKI , MAGAI MASARU , KENJO TATSUO , NAKAMURA YUKI , YASHIRO TORU
IPC分类号： G11B7/24 , G11B7/244 , G11B7/254 , G11B7/257 , G11B7/258 , G11B7/26
摘要： PROBLEM TO BE SOLVED: To provide a double layer system optical recording medium which generates no noise such as jitter against not only a red laser beam but also a lower output laser beam with short wavelength such as a blue laser beam, with successful archival properties and in which a dye is used in a recording medium with which high density recording is possible. SOLUTION: In the optical recording medium in which two sets of first and second recording constitution layers are laminated on the substrate via a resin intermediate layer and recording and reproduction are performed to two sets of recording constitution layers, respectively by irradiation with a laser beam from a first recording constitution layer, it is a double layer system optical recording medium in which a first recording constitution layer 100 has a first dye layer and a first reflection layer 3 adjacent to it, a second recording constitution layer 200 has a second dye layer 7 and a second reflection layer 8 adjacent to it, the first reflection layer is a translucent layer and two layers of protection layers (first and second protection layer) are provided between the second dye layer and a resin intermediate layer. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种双层系统光学记录介质，其不仅产生诸如红色激光束的抖动等噪声，而且还产生诸如蓝色激光束的具有短波长的较低输出激光束，成功地档案性质，其中将染料用于能够进行高密度记录的记录介质中。解决方案：在其中通过树脂中间层将两组第一和第二记录结构层层压在基板上并通过分别对两组记录结构层进行记录和再现的光记录介质中，来自第一记录结构层的激光束是双层系统光学记录介质，其中第一记录构成层100具有第一染料层和与其相邻的第一反射层3，第二记录构造层200具有第二记录构造层染料层7和与其相邻的第二反射层8，第一反射层是半透明层，并且在第二染料层和树脂中间层之间设置两层保护层（第一和第二保护层）。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005267671A Two-layer type optical recording medium 审中-公开
标题翻译：双层型光学记录介质
公开(公告)号：JP2005267671A
公开(公告)日：2005-09-29
申请号：JP2004073849
申请日：2004-03-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KENJO TATSUO , YASHIRO TORU , NAKAMURA YUKI
IPC分类号： G11B7/24
摘要： PROBLEM TO BE SOLVED: To provide a two-layer type optical recording medium having satisfactory recording characteristics and durability. SOLUTION: (1) In the optical recording medium wherein a first substrate, a first recording layer, a first reflection layer, an adhesion layer, a protective layer, a second recording layer, a second reflection layer and a second substrate are successively layered from a recording and reproducing light incident surface, the adhesion layer has ≥1,000 MPa elasticity at 30°C. (2) In the optical recording medium described in (1) wherein a first substrate, a first recording layer, a first reflection layer, an adhesion layer, a protective layer, a second recording layer, a second reflection layer and a second substrate are successively layered from a recording and reproducing light incident surface, the adhesion layer has ≥85°C glass transition temperature. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有令人满意的记录特性和耐久性的双层型光学记录介质。（1）在第一基板，第一记录层，第一反射层，粘合层，保护层，第二记录层，第二反射层和第二基板的光记录介质中，从记录和再现光入射表面依次层叠，粘合层在30℃下具有≥1000MPa的弹性。（2）在第一基板，第一记录层，第一反射层，粘合层，保护层，第二记录层，第二反射层和第二基板中的（1）所述的光记录介质中，从记录和再现光入射表面依次层叠，粘合层具有≥85℃的玻璃化转变温度。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2005339761A Optical recording medium 审中-公开
标题翻译：光学记录介质
公开(公告)号：JP2005339761A
公开(公告)日：2005-12-08
申请号：JP2005029138
申请日：2005-02-04
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SHINOZUKA MICHIAKI , MAGAI MASARU , IWASA HIROYUKI , KENJO TATSUO , NAKAMURA YUKI , YASHIRO TORU
IPC分类号： G11B7/254 , G11B7/24 , G11B7/244 , G11B7/257 , G11B7/258
摘要： PROBLEM TO BE SOLVED: To provide an optical recording medium where the jitter characteristic of recording and reproducing characteristic is improved and errors are reduced by improving the wettability of dye to reflective layer material in the case of providing a dye recording layer on a deep side in view from a light-incident side on a reflective layer in the optical recording medium comprising two pairs of information layers. SOLUTION: In the optical recording medium which comprises a substrate, and the two pairs of a first information layer and a second information layer disposed on the substrate, and an intermediate layer disposed between the two pairs of the first information layer and the second information layer, and wherein any one of recording and reproducing is performed in the first information layer and the second information layer by irradiating a laser beam from the first information layer side, the second information layer comprises a reflective layer, an oxidized layer, and a second dye layer in this order, and the oxidized layer comprises an oxide which is a material constituting the reflective layer. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种光记录介质，其中在提供染料记录层的情况下，通过改善染料对反射层材料的润湿性，改善了记录和再现特性的抖动特性并降低了误差在包括两对信息层的光记录介质中的反射层上的光入射侧的深侧。解决方案：在包括基板的光记录介质中，以及设置在基板上的两对第一信息层和第二信息层，以及设置在两对第一信息层和第二信息层之间的中间层第二信息层，并且其中通过从第一信息层侧照射激光束在第一信息层和第二信息层中执行记录和再现中的任何一个，第二信息层包括反射层，氧化层和第二染料层，氧化层包含作为构成反射层的材料的氧化物。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2005267670A Two-layer type optical recording medium and its manufacturing method 审中-公开
标题翻译：双层光学记录介质及其制造方法
公开(公告)号：JP2005267670A
公开(公告)日：2005-09-29
申请号：JP2004073841
申请日：2004-03-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KENJO TATSUO , YASHIRO TORU , NAKAMURA YUKI
IPC分类号： G11B7/24 , G11B7/244 , G11B7/254 , G11B7/257 , G11B7/258 , G11B7/26
摘要： PROBLEM TO BE SOLVED: To provide a two-layer type optical recording medium having satisfactory durability and to provide its manufacturing method. SOLUTION: (1) In the two-layer type optical recording medium wherein a reflection layer consisting of silver or a silver alloy, a recording layer containing an organic dye and a protective layer containing a sulfur element are successively formed on a guide groove side surface of a substrate having a holding hole at its center part and the guide groove on its surface, the reflection layer and the protective layer does not come in contact with each other. (2) In the two-layer type optical recording medium described in (1), the outer peripheral side end part of the reflection layer is positioned on the inner side of the outer peripheral side end part of the substrate and the outer peripheral side end part of the recording layer is superposed on or positioned on the outer side of the outer peripheral side end part of the reflection layer. (3) In the two-layer type optical recording medium described in (1), the outer peripheral side end part of the reflection layer is positioned on the inner side of the outer peripheral side end part of the substrate, the outer peripheral side end part of the recording layer is positioned on the inner side of the outer peripheral side end part of the reflection layer and the outer peripheral side end part of the protective layer is superposed on or positioned on the inner side of the outer peripheral side end part of the recording layer. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有令人满意的耐久性的双层型光学记录介质并提供其制造方法。（1）在其中由银或银合金构成的反射层，含有有机染料的记录层和含有硫元素的保护层的双层型光学记录介质依次形成在引导件在其中心部分具有保持孔的基板的凹槽侧表面和其表面上的引导槽，反射层和保护层不彼此接触。（2）在（1）所述的双层型光记录介质中，反射层的外周侧端部位于基板的外周侧端部的内侧，外周侧端记录层的一部分叠置在反射层的外周侧端部的外侧或者位于反射层的外周侧端部的外侧。（3）在（1）所述的双层型光记录介质中，反射层的外周侧端部位于基板的外周侧端部的内侧，外周侧端记录层的一部分位于反射层的外周侧端部的内侧，保护层的外周侧端部重叠在或位于外周侧端部的内侧录音层。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005063607A Optical disk 有权
标题翻译：光盘
公开(公告)号：JP2005063607A
公开(公告)日：2005-03-10
申请号：JP2003295167
申请日：2003-08-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KENJO TATSUO
IPC分类号： G11B7/24
摘要： PROBLEM TO BE SOLVED: To provide an optical disk capable of accurately acquiring information necessary for recording and reproduction. SOLUTION: A spiral recording track has a recording surface including prescribed phase modulated wave parts and carrier parts and formed like a meandering state and the carrier parts are formed so that the period of parts (R 2 1, R 2 2) adjacent to the phase modulated wave parts is shorter than the amplitude of parts which are not adjacent to the phase modulated wave parts in the direction rectangular to the tangent direction of the track. In the case of reproducing the phase modulated wave parts in an optical disk device using the optical disk as a target medium to be accessed, the superposition of a signal from the carrier part adjacent to the phase modulated wave part in the direction rectangular to the tangent direction of the track to a signal from the phase modulated wave part is inhibited, so that the signal from the phase modulated wave part can be accurately demodulated and information necessary for recording and reproduction and included in the phase modulated wave part can be accurately acquired. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够准确地获取记录和再现所需的信息的光盘。解决方案：螺旋记录轨道具有包括规定的相位调制波部分和载体部分的记录表面，并且形成为类似于曲折状态，并且载体部分形成为使得部件的周期（R SB> 2 相邻于相位调制波部分的相位调制波部分的振幅小于与轨道切线方向成矩形的方向上不与相位调制波部分相邻的部分的幅度。在使用光盘作为要访问的目标介质的光盘装置中再现相位调制波部分的情况下，将来自与相位调制波部分相邻的载波部分的信号在矩形方向叠加到切线抑制来自相位调制波部分的信号的方向，从而可以精确地解调来自相位调制波部分的信号，并且可以精确地获取包括在相位调制波部分中的记录和再现所需的信息。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2006073086A Optical recording medium 审中-公开
标题翻译：光学记录介质
公开(公告)号：JP2006073086A
公开(公告)日：2006-03-16
申请号：JP2004254442
申请日：2004-09-01
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAKAMURA YUKI , KENJO TATSUO , YASHIRO TORU , SHINOZUKA MICHIAKI , IWASA HIROYUKI
IPC分类号： G11B7/24
摘要： PROBLEM TO BE SOLVED: To provide an optical recording medium of a single-side two-layered recording and reproduction type having satisfactory in-plane uniformity of reflectivity of an optical information recording medium. SOLUTION: The optical recording medium is constituted by bonding together a first substrate 1 having a first information layer laminated with a first recording layer 2 composed of at least an organic dye and a light translucent first reflection layer 3 and a second substrate 8 having a second information layer laminated with at least a second reflection layer 7 and a second recording layer 6 composed of an organic dye in such a manner that the laminated films face each other via a transparent intermediate layer 4 and optically records and reproduces information, wherein the film thickness on the inner peripheral side of the first reflection layer is made thicker in the film thickness on the inner peripheral side than the film thickness on the middle and outer peripheral sides of the first reflection layer 3. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有令人满意的光信息记录介质的反射率的面内均匀性的单面双层记录和再现类型的光记录介质。解决方案：光记录介质通过将具有第一信息层的第一基板1与由至少有机染料组成的第一记录层2和光半透明第一反射层3和第二基板8接合而构成具有层叠有至少第二反射层7的第二信息层和由有机染料组成的第二记录层6，使得层压膜经由透明中间层4彼此面对并且光学记录和再现信息，其中使第一反射层的内周侧的膜厚比内周侧的膜厚比第一反射层3的中，外周侧的膜厚更厚。（C ）2006年，日本特许厅和NCIPI

9. 发明专利

JP2005302261A Optical recording medium 审中-公开
标题翻译：光学记录介质
公开(公告)号：JP2005302261A
公开(公告)日：2005-10-27
申请号：JP2004343159
申请日：2004-11-26
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAKAMURA YUKI , YASHIRO TORU , KENJO TATSUO
IPC分类号： G11B7/244 , G11B7/246 , G11B7/254 , G11B7/257 , G11B7/24
CPC分类号： G11B7/246 , G11B7/2463 , G11B7/2467 , G11B7/2472 , G11B7/248 , G11B7/249 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2535 , G11B7/2578 , G11B7/259 , G11B2007/25706 , G11B2007/25708 , G11B2007/2571 , G11B2007/25711 , G11B2007/25713 , G11B2007/25715 , G11B2007/25716 , G11B2007/25718 , Y10T428/21
摘要： PROBLEM TO BE SOLVED: To provide a single side recording and reproduction type optical recording medium by which satisfactory recording signal characteristics are obtained also from a recording layer on the rear side viewing from an optical incident direction. SOLUTION: In an optical recording medium, a first information substrate on which at least a first recording layer including a dye and a first reflection layer (semi-transmittance layer) are sequentially laminated on a first substrate having a guide groove and a second information substrate on which at least a second recording layer including a second reflection layer, a second recording layer including a dye and light transmittance protection layer are sequentially laminated on a second substrate having a guide groove so that the substrate comes to the outside via a transparent intermediate layer. When a complex refractive index in recording and/or playback wavelength λ (nm) of the light transmittance protection layer that is considered as n-ik (n is a refractive index, k is an absorption index) and the film thickness of the light transmittance protection layer is considered as d (nm), nd/λ is 0.3 to 0.7 and an absorption index k is ≤0.05. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种单面记录和再现型光学记录介质，通过该单面记录和再现型光学记录介质，也可以从光学入射方向观察的后侧的记录层获得令人满意的记录信号特性。解决方案：在光学记录介质中，在其上至少包括染料的第一记录层和第一反射层（半透射层）的第一信息基板依次层压在具有引导槽的第一基板和第二信息基板，其上至少包括第二反射层的第二记录层，包括染料和透光保护层的第二记录层依次层叠在具有引导槽的第二基板上，使得所述基板经由透明中间层。当被认为是n-ik（n是折射率，k是吸收指数）的光透射率保护层的记录和/或回放波长λ（nm）的复合折射率和透光率的膜厚度保护层被认为是d（nm），nd /λ为0.3〜0.7，吸收指数k为≤0.05。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2005166126A Optical recording medium 有权
标题翻译：光学记录介质
公开(公告)号：JP2005166126A
公开(公告)日：2005-06-23
申请号：JP2003400918
申请日：2003-11-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KENJO TATSUO
IPC分类号： G11B7/24 , G11B7/007
CPC分类号： G11B7/24082
摘要： PROBLEM TO BE SOLVED: To eliminate waviness due to crosstalk when a wobble signal is reproduced. SOLUTION: A spiral track 4 is formed in a wobbling shape wobbling with a fixed period and the difference between lengths of one circles of adjacent tracks 4 is made nearly equal to the length of the one period of the wobbling shape. A wobbling amplitude M(θ) of an n-th track 4 numbered from a reference track (n=0) in a position of angle θ from a reference angle θ 0 is calculated by equation: M(θ)=M 0 ×1/äA+Bsin(nπ+θ/2)}. In this equation, A and B are optional constants and respectively selected in the range of 0.8≤A≤1.4 and 0.2≤B≤0.4. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了消除当摆动信号被再现时由于串扰引起的波动。解决方案：螺旋轨道4以固定周期摆动的摆动形状形成，并且相邻轨道4的一个圆的长度差几乎等于摆动形状的一个周期的长度。从角度θ与参考角度θ<0> 的位置，从基准轨道（n = 0）编号的第n个轨道4的摆动振幅M（θ）由下式计算：M（ θ）= M 0 ×1 / AA + BSIN（Nπ+θ/ 2）}。在该方程式中，A和B是可选的常数，分别选择在0.8≤A≤1.4和0.2≤B≤0.4的范围内。版权所有（C）2005，JPO＆NCIPI

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