公开(公告)号：US07767284B2

公开(公告)日：2010-08-03

申请号：US11113021

申请日：2005-04-25

申请人： Michiaki Shinotsuka ,  Masaru Shinkai ,  Hiroyuki Iwasa ,  Tatsuo Mikami ,  Yuki Nakamura ,  Tohru Yashiro

发明人： Michiaki Shinotsuka ,  Masaru Shinkai ,  Hiroyuki Iwasa ,  Tatsuo Mikami ,  Yuki Nakamura ,  Tohru Yashiro

IPC分类号： B32B3/02

CPC分类号： B32B27/36 ,  B32B2037/1253 ,  B32B2037/243 ,  B32B2038/0076 ,  B32B2429/02 ,  G11B7/246 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/248 ,  G11B7/252 ,  G11B7/2531 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2578 ,  G11B7/2585 ,  G11B7/259 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/2571 ,  G11B2007/25715 ,  Y10T428/21

摘要： The object of the present invention is to provide an optical recording medium which comprises a substrate, and a first information layer and a second information layer disposed on the substrate, and an intermediate layer disposed between the first information layer and the second information layer, 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 protective layer, a second dye layer which comprises an organic dye, an oxidized layer, and a reflective layer in this order from the laser beam irradiation side, and the oxidized layer comprises an oxide which is a material constituting the reflective layer.

摘要翻译： 本发明的目的是提供一种光记录介质，其包括基板以及设置在基板上的第一信息层和第二信息层以及设置在第一信息层和第二信息层之间的中间层，其中， 通过照射来自第一信息层侧的激光束，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，第二信息层包括保护层，包含有机染料的第二染料层， 氧化层和反射层，并且氧化层包括构成反射层的材料的氧化物。

公开(公告)号：US07464390B2

公开(公告)日：2008-12-09

申请号：US11347234

申请日：2006-02-06

申请人： Michiaki Shinotsuka ,  Hiroyuki Iwasa ,  Masaru Shinkai

发明人： Michiaki Shinotsuka ,  Hiroyuki Iwasa ,  Masaru Shinkai

IPC分类号： G11B7/24

CPC分类号： G11B7/24 ,  G11B2007/0013

摘要： The present invention is to provide a practically usable, recordable or rewritable optical information recording medium having a pair of recording layers and a recording and reproducing apparatus for the medium.The recording medium has a pair of recording layer structures on a substrate so as to sandwich a resin intermediate layer, and a recording beam and a reproducing beam are irradiated to two recording layer structures. The pair of recording layer structures respectively have a different track pitch, and the ratio of difference in the track pitch defined by Expression 1 is +0.03 to +0.15, (T2−T1)/T1   Expression 1 T1 represents a track pitch of the recording layer structure disposed on the laser beam irradiation side, and T2 represents a track pitch of the recording layer structure disposed on the inner side.

摘要翻译： 本发明提供一种具有一对记录层和介质的记录和再现装置的实用的可记录或可重写的光学信息记录介质。 记录介质在基板上具有一对记录层结构，以夹持树脂中间层，并且将记录光束和再现光束照射到两个记录层结构。 一对记录层结构分别具有不同的轨道间距，由式1定义的轨道间距的差为+0.03至+0.15，<？in-line-formula description =“In-line Formulas”end = （T2-T1）/ T1表达式1 <？in-line-formula description =“In-line Formulas”end =“tail”？> T1表示设置在激光器上的记录层结构的轨道间距 光束照射侧，T2表示设置在内侧的记录层结构的轨道间距。

公开(公告)号：US07439007B2

公开(公告)日：2008-10-21

申请号：US10738012

申请日：2003-12-16

申请人： Hiroyuki Iwasa ,  Michiaki Shinotsuka ,  Masaru Shinkai

发明人： Hiroyuki Iwasa ,  Michiaki Shinotsuka ,  Masaru Shinkai

IPC分类号： G11B7/24

CPC分类号： G11B7/24038 ,  G11B2007/0013 ,  Y10S430/146

摘要： A multilayer phase change information recording medium including plural information layers containing at least a first information layer and a last information layer, each of which includes a recording layer in which information is recorded utilizing a phase change between a crystalline phase and an amorphous phase. At least one of the plural information layers other than the last information layer includes a first lower protective layer, a first recording layer located overlying the lower protective layer, a first upper protective layer located overlying the first recording layer, a first reflective layer located overlying the first upper protective layer, and a heat diffusion layer located overlying the first reflective layer and which mainly contains In, Zn and O.

摘要翻译： 一种多层相变信息记录介质，包括至少包含第一信息层和最后信息层的多个信息层，每个信息层包括利用晶相和非晶相之间的相变来记录信息的记录层。 除了最后信息层之外的多个信息层中的至少一个包括第一下保护层，位于下保护层上的第一记录层，位于第一记录层上的第一上保护层，位于上层的第一反射层 第一上保护层和位于第一反射层上方并且主要含有In，Zn和O的热扩散层。

公开(公告)号：US20060292493A1

公开(公告)日：2006-12-28

申请号：US11445179

申请日：2006-06-02

申请人： Michiaki Shinotsuka ,  Masaru Shinkai ,  Hiroyuki Iwasa

发明人： Michiaki Shinotsuka ,  Masaru Shinkai ,  Hiroyuki Iwasa

IPC分类号： G11B7/24

CPC分类号： G11B7/24079 ,  G11B7/0903 ,  G11B7/24038

摘要： The present invention is aimed at providing a dual-layer phase-change optical recording medium which allows a high-density recording and a recording, where the optical recording medium has a high recording sensitivity even to a low power light with a short wavelength such as blue laser beam, does not cause noises such as jitter, has superior overwrite performance and favorable archivability, allows easier focusing and tracking and enables a compatibility with a ROM. Therefore, it provides an optical recording medium including a substrate and, on the substrate at least a first recording composite layer, an intermediate layer, a second recording composite layer and a cover substrate in this order, wherein the groove depth of the cover substrate is such that the magnitude of a push-pull signal of the first recording composite layer is equal or greater with respect to a push-pull signal of the second recording composite layer.

摘要翻译： 本发明旨在提供一种双层相变光学记录介质，其允许高密度记录和记录，其中即使对于具有短波长的低功率光，光记录介质也具有高记录灵敏度，例如 蓝色激光束，不会引起诸如抖动的噪声，具有优异的重写性能和良好的可归档性，允许更容易的聚焦和跟踪，并且能够与ROM兼容。 因此，其提供了包括基板的光学记录介质，并且在该基板上至少第一记录复合层，中间层，第二记录复合层和盖基板依次形成，其中盖基板的凹槽深度为 使得第一记录复合层的推挽信号的幅度相对于第二记录复合层的推挽信号相等或更大。

公开(公告)号：US20050270959A1

公开(公告)日：2005-12-08

申请号：US11142389

申请日：2005-06-02

申请人： Hiroyuki Iwasa ,  Michiaki Shinotsuka ,  Masaru Shinkai

发明人： Hiroyuki Iwasa ,  Michiaki Shinotsuka ,  Masaru Shinkai

IPC分类号： G11B5/09 ,  G11B7/00 ,  G11B7/006 ,  G11B7/013 ,  G11B7/243 ,  G11B7/258

CPC分类号： G11B7/258 ,  G11B7/0062 ,  G11B7/24088 ,  G11B7/243 ,  G11B2007/0013

摘要： The present invention is a recording method for optical recording medium forms a few types of amorphous mark vary from at least any one from length and area upon repeated irradiation by a recording power (Pw) light and a cooling power (Pb) light to an information layer comprising a phase-changing recording layer of the optical recording medium, and records information and forms a crystal space upon irradiation of an erasing power (Pe) light, wherein the recording power (Pw) light, the cooling power (Pb) light, and the erasing power (Pe) light satisfying a relation of the following equation Pw>Pe>Pb, and in the case of forming at least one type of amorphous mark upon irradiation by a cooling controlling power (Pm) light to in between the recording power (Pw) light and cooling power (Pb) light, wherein the recording power (Pw) light, cooling power (Pb) light , and cooling controlling power (Pm) light satisfying a relation of the following equation Pw>Pm>Pb.

摘要翻译： 本发明是一种光记录介质的记录方法，其形成几种类型的非晶标记，其从通过记录功率（Pw）光和冷却功率（Pb）光重复照射到信息的长度和面积中的至少一个变化 其包括光记录介质的相变记录层，并记录信息并在照射擦除功率（Pe））时形成晶体空间，其中记录功率（Pw）光，冷却功率（Pb） 以及满足以下等式Pw> Pe> Pb的关系的擦除功率（Pe）光，并且在由冷却控制功率（Pm）照射到记录之间时形成至少一种类型的非晶标记的情况下 功率（Pw）光和冷却功率（Pb）光，其中满足以下等式Pw> Pm> Pb的关系的记录功率（Pw）光，冷却功率（Pb）光和冷却控制功率（Pm）。

公开(公告)号：US20050254410A1

公开(公告)日：2005-11-17

申请号：US11130568

申请日：2005-05-16

申请人： Takeshi Kibe ,  Katsuyuki Yamada ,  Masaru Shinkai ,  Shinya Narumi ,  Michiaki Shinotsuka ,  Hiroyuki Iwasa

发明人： Takeshi Kibe ,  Katsuyuki Yamada ,  Masaru Shinkai ,  Shinya Narumi ,  Michiaki Shinotsuka ,  Hiroyuki Iwasa

IPC分类号： C23C14/34 ,  G11B7/243 ,  G11B7/252 ,  G11B7/254 ,  G11B7/258 ,  G11B7/26 ,  G11B7/24 ,  G11B5/84

CPC分类号： G11B7/258 ,  C23C14/3414 ,  G11B7/24038 ,  G11B7/252 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/256 ,  G11B7/259 ,  G11B7/266 ,  G11B7/268 ,  G11B2007/24308 ,  G11B2007/2431 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25706 ,  G11B2007/2571 ,  G11B2007/25711 ,  G11B2007/25715

摘要： An optical recording medium including a substrate, a bottom protective layer located overlying the substrate, an optical recording layer located overlying the bottom protective layer, a top protective layer located overlying the optical recording layer, an intermediate layer located overlying the top protective layer, comprising at least one element (M) selected from the group consisting of Ti, Nb and Ta, and carbon, an optical reflective layer comprising Ag in an amount not less than 95 atomic %, located overlying the intermediate layer. The optical recording medium is recordable even in at least one of the following recording conditions (1) to (3): (1) when a recording time for a shortest recording mark is not greater than 34 ns; (2) when a recording time of a channel bit length is not greater than 11 ns; and (3) when a recording linear velocity is not less than 11 m/s.

摘要翻译： 一种光记录介质，包括基板，位于基板上的底部保护层，位于底部保护层上方的光学记录层，位于光学记录层上方的顶部保护层，位于顶部保护层上方的中间层，包括 选自Ti，Nb和Ta中的至少一种元素（M）和碳，包含位于中间层上方的不小于95原子％的Ag的光反射层。 即使在以下记录条件（1）至（3）中的至少一个中，光记录介质也可记录：（1）当最短记录标记的记录时间不大于34ns时; （2）当通道位长度的记录时间不大于11ns时; 和（3）当记录线速度不小于11m / s时。

公开(公告)号：US07920454B2

公开(公告)日：2011-04-05

申请号：US11273390

申请日：2005-11-15

申请人： Hiroyuki Iwasa ,  Michiaki Shinotsuka ,  Masaru Shinkai

发明人： Hiroyuki Iwasa ,  Michiaki Shinotsuka ,  Masaru Shinkai

IPC分类号： G11B7/24

CPC分类号： G11B7/2433 ,  G11B7/24038 ,  G11B7/24079 ,  G11B7/246 ,  G11B7/2463 ,  G11B7/2467 ,  G11B7/247 ,  G11B7/248 ,  G11B7/2492 ,  G11B7/2531 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2575 ,  G11B7/2578 ,  G11B7/259 ,  G11B2007/24308 ,  G11B2007/2431 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/2432 ,  G11B2007/24322 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/2571 ,  G11B2007/25715 ,  G11B2007/25718

摘要： An optical recording medium wherein a laser beam at a wavelength λ is irradiated and recording and reproducing of information are performed by optical power modulation of binary or more, and when the refraction index of the first substrate being n1, the refraction index of the intermediate layer being n2, the groove depth, the groove width and the track pitch of the first information layer being d1, w1 and p1 respectively and the groove depth, the groove width and the track pitch of the second information layer being d2, w2 and p2 respectively, the following conditions are satisfied. 4λ/16n1≦d1≦7λ/16n1 λ/16n2≦d2≦3λ/16n2 or 4λ/16n2≦d2≦7λ/16n2 0.2≦w1/p1≦0.55 0.2≦w2/p2≦0.55

摘要翻译： 照射波长为λ的激光的光记录介质，通过二进制以上的光功率调制进行信息的记录和再现，当第一基板的折射率为n1时，中间层的折射率 分别为n2，第一信息层的槽深度，槽宽度和轨道间距分别为d1，w1和p1，第二信息层的槽深度，槽宽度和轨道间距分别为d2，w2和p2 ，满足以下条件。 4λ/ 16n1＆nlE; d1＆nlE;7λ/ 16n1λ/ 16n2＆nlE; d2＆nlE;3λ/ 16n2或4λ/ 16n2＆nlE; d2＆nlE;7λ/ 16n2 0.2＆nlE; w1 / p1＆nlE; 0.55 0.2＆nlE; w2 / p2＆

公开(公告)号：US20070237064A1

公开(公告)日：2007-10-11

申请号：US11705730

申请日：2007-02-13

申请人： Toshishige Fujii ,  Noboru Sasa ,  Yoshitaka Hayashi ,  Masayuki Fujiwara ,  Hiroshi Miura ,  Michiaki Shinotsuka ,  Masaru Shinkai ,  Hiroyoshi Sekiguchi ,  Hiroyuki Iwasa ,  Katsuyuki Yamada ,  Shinya Narumi ,  Masaki Kato

发明人： Toshishige Fujii ,  Noboru Sasa ,  Yoshitaka Hayashi ,  Masayuki Fujiwara ,  Hiroshi Miura ,  Michiaki Shinotsuka ,  Masaru Shinkai ,  Hiroyoshi Sekiguchi ,  Hiroyuki Iwasa ,  Katsuyuki Yamada ,  Shinya Narumi ,  Masaki Kato

IPC分类号： G11B7/26

CPC分类号： G11B7/243 ,  G11B7/257 ,  G11B7/259 ,  G11B2007/24314 ,  G11B2007/2432 ,  G11B2007/25715

摘要： To provide a dual-layer recordable optical recording medium, including: a first information layer; intermediate layer disposed over the first information layer; and second information layer disposed over the intermediate layer, the first information layer, intermediate layer, and second information layer being sequentially deposited from a laser irradiation side, wherein the first information layer comprises, from the laser irradiation side, at least a thin film containing Bi as a main ingredient, dielectric layer, reflective layer and thermal diffusion layer, and the second information layer comprises, from the laser irradiation side, at least a thin film containing Bi as a main ingredient, dielectric layer and reflective layer, and wherein the ratio of the thickness of the dielectric layer of the second information layer (t2) to the thickness of the dielectric layer of the first information layer (t1), t2/t1, is in a range of 0.7 to 1.5 or 4.5 to 6.0.

摘要翻译： 提供一种双层可记录光学记录介质，包括：第一信息层; 设置在所述第一信息层上的中间层; 以及设置在中间层上的第二信息层，从激光照射侧顺序地沉积第一信息层，中间层和第二信息层，其中第一信息层包括从激光照射侧至少含有 Bi作为主要成分，介电层，反射层和热扩散层，第二信息层包括从激光照射侧至少含有Bi作为主要成分的薄膜，电介质层和反射层，其中， 第二信息层（t 2）的电介质层的厚度与第一信息层的电介质层的厚度（t 1）的比值t 2 / t 1在0.7〜1.5或4.5的范围内 至6.0。

公开(公告)号：US20060233095A1

公开(公告)日：2006-10-19

申请号：US11417334

申请日：2006-05-02

申请人： Hiroyuki Iwasa ,  Michiaki Shinotsuka ,  Masaru Shinkai

发明人： Hiroyuki Iwasa ,  Michiaki Shinotsuka ,  Masaru Shinkai

IPC分类号： G11B3/74 ,  G11B3/70

CPC分类号： G11B7/243 ,  G11B7/006 ,  G11B7/24038 ,  G11B7/24088 ,  G11B7/257 ,  G11B7/258 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25706 ,  G11B2007/2571 ,  G11B2007/25715

摘要： The present invention provides a dual-layer phase-change information recording medium in which the erase ratio in each layer is superior, the dynamic range is improved, and a multi-level recording is possible. For the dual-layer phase-change information recording medium, the compositions of the first recording layer material and the second recording layer material are expressed as Sbα1Teβ1Geγ1M1δ1 and Sbα2Teβ2Geγ2M2δ2, respectively, where M1 and M2 are any one element selected from Ag, In, Se, Sn, Al, Ti, V, Mn, Fe, Co, Ni, Cu, Zn, Ga, Bi, Si, Dy, Pd, Pt, Au, S, B, C and P; α1, β1, γ1, δ1, α2, β2, γ2 and δ2 denote percentages by atom and satisfy the following relations: α1+β1+γ1+δ1=α2+β2+γ2+δ2=100; 50≦α1≦75; 25≦β1≦40; 0

摘要翻译： 本发明提供一种双层相变信息记录介质，其中每层中的擦除率优异，动态范围提高，并且可以进行多级记录。 对于双层相变信息记录介质，第一记录层材料和第二记录层材料的组成被表示为Sb δ1，α1，α2，α2，α2，α2，α2，α2，α2，β2， SUB，Se，Sn，Al，Ti，V，Mn，Fe，Co，Ni，Cu，Zn，Ga，Bi，Si，Dy，Pd中的任一种元素 ，Pt，Au，S，B，C和P; α1，β1，α1，α1，α2， β2，γ2和δ2是由原子表示的百分比，并且满足以下关系：α1 +β 1 + 1 + 2 + + 1 + 2 + + + 2 + + 2＆lt; 2＆gt; + delta 2＆gt; = 100; 50 <=α1 <= 75; 25 <=β1 <= 40; 0 <γ1 <= 10; 0 <=δ<1> <= 10; 60 <=α2 <= 85; 15 <=β2 <= 30; 0 <γ2 <= 10; 0 <=δ<2> <= 10; 和β2 +γ2 2 +β1 + 2 2

公开(公告)号：US20050221050A1

公开(公告)日：2005-10-06

申请号：US11082834

申请日：2005-03-18

申请人： Michiaki Shinotsuka ,  Hiroyuki Iwasa ,  Masaru Shinkai ,  Tatsuo Mikami ,  Yuki Nakamura ,  Tohru Yashiro

发明人： Michiaki Shinotsuka ,  Hiroyuki Iwasa ,  Masaru Shinkai ,  Tatsuo Mikami ,  Yuki Nakamura ,  Tohru Yashiro

IPC分类号： B32B3/02 ,  G11B7/0045 ,  G11B7/246 ,  G11B7/249 ,  G11B7/257

CPC分类号： G11B7/24038 ,  G11B7/00455 ,  G11B7/246 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/248 ,  G11B7/249 ,  G11B7/252 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2536 ,  G11B7/2578 ,  G11B7/2585 ,  G11B7/259 ,  G11B7/2595 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/2571 ,  G11B2007/25711 ,  G11B2007/25713 ,  G11B2007/25715 ,  G11B2007/25716 ,  G11B2007/25718

摘要： The object of the present invention is to provide a two-layered optical recording medium using dye layers for a recording layer which triggers no jitter noise and the like against not only a red laser beam but also against low-power output laser beam such as a blue laser beam, has high archival properties, and is capable of high-density recording, and a method and an apparatus for the optical recording and reproducing. Thus, the optical recording medium comprises a substrate, and a first information layer, and a second information layer disposed on the substrate through an intermediate layer to perform recording and reproducing on the first information layer and the second information layer respectively by irradiating laser beam from the first information layer side. The first information layer comprises at least a first dye layer and a first reflective layer adjacent to the first dye layer; the second information layer comprises at least a second dye layer, a second reflective layer adjacent to the second dye layer; the first reflective layer is semi-translucent; and a first protective layer and a second protective layer are disposed between the second dye layer and the intermediate layer.

摘要翻译： 本发明的目的是提供一种使用用于记录层的染料层的双层光学记录介质，其不仅对红色激光束不产生抖动噪声等，而且还针对低功率输出激光束 蓝色激光束，具有高档案特性，并且能够进行高密度记录，以及用于光学记录和再现的方法和装置。 因此，光记录介质包括基板和第一信息层以及通过中间层设置在基板上的第二信息层，以通过照射来自第一信息层和第二信息层的激光束分别在第一信息层和第二信息层上进行记录和再现 第一个信息层一侧。 第一信息层包括至少第一染料层和与第一染料层相邻的第一反射层; 第二信息层包括至少第二染料层，与第二染料层相邻的第二反射层; 第一反射层是半透明的; 并且第一保护层和第二保护层设置在第二染料层和中间层之间。