公开(公告)号：US08530140B2

公开(公告)日：2013-09-10

申请号：US12593979

申请日：2009-01-28

申请人： Hideo Kusada ,  Rie Kojima ,  Takashi Nishihara ,  Noboru Yamada

发明人： Hideo Kusada ,  Rie Kojima ,  Takashi Nishihara ,  Noboru Yamada

IPC分类号： G11B7/24

CPC分类号： G11B7/24 ,  C01G23/047 ,  C01G29/00 ,  C01G29/006 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2006/60 ,  C23C14/08 ,  C23C14/34 ,  G11B7/24038 ,  G11B7/252 ,  G11B7/259 ,  G11B7/266 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25706 ,  G11B2007/25715 ,  Y10T428/21

摘要： An optical information recording medium of the present invention includes at least a recording layer (4) that allows information to be recorded thereon and/or reproduced therefrom by being irradiated with a laser beam, and a transmittance adjusting layer (7) in this order from an incident side of the laser beam (30). In the optical information recording medium of the present invention, the transmittance adjusting layer (7) contains Bi, Ti, and O and with a composition of Bi, Ti, and O contained in the transmittance adjusting layer (7) being denoted as BixTiyOz, in atomic number ratio, x, y, and z satisfy 0.07≦x≦0.35, 0.07≦y≦0.28, 0.56≦z≦0.70, and x+y+z=1. Or the transmittance adjusting layer (7) contains Bi2O3 and TiO2, and with a composition of Bi2O3 and TiO2 contained in the transmittance adjusting layer (7) being denoted as (Bi2O3)α(TiO2)β, in molar ratio, α and β satisfy 0.2≦α≦0.7, 0.3≦β≦0.8, and α+β=1.

摘要翻译： 本发明的光学信息记录介质至少包括记录层（4），该记录层（4）能够通过照射激光而在其上记录和/或再现其信息，以及透射率调节层（7） 激光束（30）的入射侧。 在本发明的光学信息记录介质中，透射率调节层（7）包含Bi，Ti和O，并且透射率调节层（7）中所含的Bi，Ti和O的组成被表示为BixTiyOz， 在原子序数比中，x，y和z满足0.07 @ x @ 0.35，0.07 @ y @ 0.28,0.56 @ z @ 0.70和x + y + z = 1。 或者透光率调节层（7）含有Bi 2 O 3和TiO 2，并且透射率调整层（7）中所含的Bi 2 O 3和TiO 2组成以摩尔比表示为（Bi 2 O 3）α（TiO 2）β，α和β满足 0.2 @α@ 0.7，0.3 @β@ 0.8和α+β= 1。

公开(公告)号：US20100151179A1

公开(公告)日：2010-06-17

申请号：US12593693

申请日：2009-01-27

申请人： Takashi Nishihara ,  Rie Kojima ,  Hideo Kusada ,  Noboru Yamada

发明人： Takashi Nishihara ,  Rie Kojima ,  Hideo Kusada ,  Noboru Yamada

IPC分类号： G11B7/241 ,  B32B3/02 ,  G11B7/24 ,  C23C14/34

CPC分类号： C23C14/08 ,  C23C14/3414 ,  G11B7/24038 ,  G11B7/252 ,  G11B7/259 ,  G11B7/266 ,  G11B2007/2431 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/2571 ,  G11B2007/25715 ,  Y10T428/21

摘要： An optical information recording medium (9) of the present invention is an optical information recording medium including: N information layers, where N is a natural number of 2 or more; and an intermediate layer for separating the N information layers optically from each other. With the N information layers being referred to as a first information layer (10) to an N-th information layer (7) sequentially from an optical beam incident side, a first information layer (10) corresponding to an L-th information layer included in the N information layers includes a recording layer (104) on which information can be recorded by irradiation with an optical beam, a reflective layer (108), and a transmittance adjusting layer (109) in this order from the optical beam incident side, where L is an at least one natural number that satisfies 1≦L≦N−1. The transmittance adjusting layer (109) contains tungsten (W) and oxygen (O).

摘要翻译： 本发明的光信息记录介质（9）是一种光信息记录介质，包括：N个信息层，其中N是2以上的自然数; 以及用于将N个信息层彼此光学地分离的中间层。 利用N个信息层从光束入射侧顺序地被称为第N信息层（10）到第N信息层（7），对应于包含第L信息层的第1信息层（10） 在N个信息层中，包括从光束入射侧依次照射光束，反射层（108）和透射率调整层（109）可记录信息的记录层（104） 其中L是满足1＆nlE; L＆nlE; N-1的至少一个自然数。 透光率调整层（109）含有钨（W）和氧（O）。

公开(公告)号：US20100046346A1

公开(公告)日：2010-02-25

申请号：US12593979

申请日：2009-01-28

申请人： Hideo Kusada ,  Rie Kojima ,  Takashi Nishihara ,  Noboru Yamada

发明人： Hideo Kusada ,  Rie Kojima ,  Takashi Nishihara ,  Noboru Yamada

IPC分类号： G11B7/00 ,  C23C14/34

CPC分类号： G11B7/24 ,  C01G23/047 ,  C01G29/00 ,  C01G29/006 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2006/60 ,  C23C14/08 ,  C23C14/34 ,  G11B7/24038 ,  G11B7/252 ,  G11B7/259 ,  G11B7/266 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25706 ,  G11B2007/25715 ,  Y10T428/21

摘要： An optical information recording medium of the present invention includes at least a recording layer (4) that allows information to be recorded thereon and/or reproduced therefrom by being irradiated with a laser beam, and a transmittance adjusting layer (7) in this order from an incident side of the laser beam (30). In the optical information recording medium of the present invention, the transmittance adjusting layer (7) contains Bi, Ti, and O and with a composition of Bi, Ti, and O contained in the transmittance adjusting layer (7) being denoted as BixTiyOz, in atomic number ratio, x, y, and z satisfy 0.07≦x≦0.35, 0.07≦y≦0.28, 0.56≦z≦0.70, and x+y+z=1. Or the transmittance adjusting layer (7) contains Bi2O3 and TiO2, and with a composition of Bi2O3 and TiO2 contained in the transmittance adjusting layer (7) being denoted as (Bi2O3)α(TiO2)β, in molar ratio, α and β satisfy 0.2≦α≦0.7, 0.3≦β≦0.8, and α+β=1

摘要翻译： 本发明的光学信息记录介质至少包括记录层（4），该记录层（4）能够通过照射激光而在其上记录和/或再现其信息，以及透射率调节层（7） 激光束（30）的入射侧。 在本发明的光学信息记录介质中，透射率调节层（7）包含Bi，Ti和O，并且透射率调节层（7）中所含的Bi，Ti和O的组成被表示为BixTiyOz， 在原子序数比中，x，y和z满足0.07＆nlE; x＆nlE; 0.35,0.07＆nlE; y＆nlE; 0.28,0.56＆amp; nl; z＆nlE; 0.70和x + y + z = 1。 或者透光率调整层（7）含有Bi 2 O 3和TiO 2，透射率调整层（7）中含有的Bi 2 O 3和TiO 2的组成以（Bi 2 O 3）α（TiO 2）＆bgr的摩尔比表示，α和bgr ; 满足0.2＆nlE;α＆nlE; 0.7,0.3＆nlE;＆bgr;＆nlE; 0.8和α+＆bgr = 1

公开(公告)号：US08158233B2

公开(公告)日：2012-04-17

申请号：US12593693

申请日：2009-01-27

申请人： Takashi Nishihara ,  Rie Kojima ,  Hideo Kusada ,  Noboru Yamada

发明人： Takashi Nishihara ,  Rie Kojima ,  Hideo Kusada ,  Noboru Yamada

IPC分类号： B32B3/02

CPC分类号： C23C14/08 ,  C23C14/3414 ,  G11B7/24038 ,  G11B7/252 ,  G11B7/259 ,  G11B7/266 ,  G11B2007/2431 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/2571 ,  G11B2007/25715 ,  Y10T428/21

摘要： An optical information recording medium (9) of the present invention is an optical information recording medium including: N information layers, where N is a natural number of 2 or more; and an intermediate layer for separating the N information layers optically from each other. With the N information layers being referred to as a first information layer (10) to an N-th information layer (7) sequentially from an optical beam incident side, a first information layer (10) corresponding to an L-th information layer included in the N information layers includes a recording layer (104) on which information can be recorded by irradiation with an optical beam, a reflective layer (108), and a transmittance adjusting layer (109) in this order from the optical beam incident side, where L is an at least one natural number that satisfies 1≦L≦N−1. The transmittance adjusting layer (109) contains tungsten (W) and oxygen (O).

摘要翻译： 本发明的光信息记录介质（9）是一种光信息记录介质，包括：N个信息层，其中N是2以上的自然数; 以及用于将N个信息层彼此光学地分离的中间层。 利用N个信息层从光束入射侧顺序地被称为第N信息层（10）到第N信息层（7），对应于包含第L信息层的第1信息层（10） 在N个信息层中，包括从光束入射侧依次照射光束，反射层（108）和透射率调整层（109）可记录信息的记录层（104） 其中L是满足1＆nlE; L＆nlE; N-1的至少一个自然数。 透光率调整层（109）含有钨（W）和氧（O）。

公开(公告)号：US07423957B2

公开(公告)日：2008-09-09

申请号：US10912093

申请日：2004-08-06

申请人： Hideo Kusada ,  Ken'ichi Nagata ,  Hideki Kitaura ,  Kenichi Nishiuchi ,  Noboru Yamada ,  Rie Kojima

发明人： Hideo Kusada ,  Ken'ichi Nagata ,  Hideki Kitaura ,  Kenichi Nishiuchi ,  Noboru Yamada ,  Rie Kojima

IPC分类号： G11B7/24

CPC分类号： G11B7/266 ,  C23C14/08 ,  C23C14/205 ,  C23C14/542 ,  C23C14/568 ,  G11B7/24038

摘要： The present invention provides an optical information recording medium of excellent signal quality in high density recording onto a semitransparent information layer, its manufacturing method and a manufacturing apparatus. The optical information recording medium of the present invention includes at least a semitransparent information layer disposed between a circular transparent substrate and a protective substrate, in which the information layer has spiral grooves for guiding a light beam, and also includes a recording film capable of recording/reproducing information thereon/therefrom by changing at least in two states detectable optically by irradiation of the light beam from the transparent substrate side, and the difference in film thickness of slope portions of the inner circumferential side and outer circumferential side of the groove is within ±10% in the entire region for recording/reproducing information.

摘要翻译： 本发明提供一种在半透明信息层的高密度记录中具有优异的信号质量的光学信息记录介质，其制造方法和制造装置。 本发明的光信息记录介质至少包括设置在圆形透明基板和保护基板之间的半透明信息层，其中信息层具有用于引导光束的螺旋槽，并且还包括能够记录的记录膜 通过至少通过从透明基板侧照射光束可以光学检测的两个状态来改变其上的信息，并且凹槽的内周侧和外周侧的斜坡部分的膜厚差在 整个区域的记录/再现信息为±10％。

公开(公告)号：US20050030882A1

公开(公告)日：2005-02-10

申请号：US10912093

申请日：2004-08-06

申请人： Hideo Kusada ,  Ken'ichi Nagata ,  Hideki Kitaura ,  Kenichi Nishiuchi ,  Noboru Yamada ,  Rie Kojima

发明人： Hideo Kusada ,  Ken'ichi Nagata ,  Hideki Kitaura ,  Kenichi Nishiuchi ,  Noboru Yamada ,  Rie Kojima

IPC分类号： C23C14/08 ,  C23C14/20 ,  C23C14/54 ,  C23C14/56 ,  G11B7/00 ,  G11B7/24038 ,  G11B7/26 ,  G11B7/24

CPC分类号： G11B7/266 ,  C23C14/08 ,  C23C14/205 ,  C23C14/542 ,  C23C14/568 ,  G11B7/24038

摘要： The present invention provides an optical information recording medium of excellent signal quality in high density recording onto a semitransparent information layer, its manufacturing method and a manufacturing apparatus. The optical information recording medium of the present invention includes at least a semitransparent information layer disposed between a circular transparent substrate and a protective substrate, in which the information layer has spiral grooves for guiding a light beam, and also includes a recording film capable of recording/reproducing information thereon/therefrom by changing at least in two states detectable optically by irradiation of the light beam from the transparent substrate side, and the difference in film thickness of slope portions of the inner circumferential side and outer circumferential side of the groove is within ±10% in the entire region for recording/reproducing information.

摘要翻译： 本发明提供一种在半透明信息层的高密度记录中具有优异的信号质量的光学信息记录介质，其制造方法和制造装置。 本发明的光信息记录介质至少包括设置在圆形透明基板和保护基板之间的半透明信息层，其中信息层具有用于引导光束的螺旋槽，并且还包括能够记录的记录膜 通过至少通过从透明基板侧照射光束可以光学检测的两个状态来改变其上的信息，并且凹槽的内周侧和外周侧的斜坡部分的膜厚差在 整个区域的记录/再现信息为±10％。

公开(公告)号：US20080107000A1

公开(公告)日：2008-05-08

申请号：US11791505

申请日：2005-11-09

申请人： Hideo Kusada ,  Noboru Yamada

发明人： Hideo Kusada ,  Noboru Yamada

IPC分类号： G11B7/24

CPC分类号： G11B7/254 ,  G11B7/0045 ,  G11B7/2403 ,  G11B7/24067 ,  G11B7/259 ,  G11B7/26 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25706 ,  G11B2007/2571 ,  G11B2007/25715

摘要： An optical information recording medium comprises at least a substrate with a guide groove, a reflective layer, a recording layer whose optical characteristics change reversibly under irradiation with a laser beam, a protective layer, a resin layer, and a transparent substrate, in that order, wherein the protective layer and the resin layer are in contact, and the protective layer is composed of an oxide of zinc an main component.

摘要翻译： 光学信息记录介质至少包括具有引导槽的基板，反射层，其光学特性按照激光束照射可逆地改变的记录层，保护层，树脂层和透明基板，按顺序 其中，所述保护层和所述树脂层接触，所述保护层由主要成分的锌的氧化物构成。

公开(公告)号：US06449239B1

公开(公告)日：2002-09-10

申请号：US09442900

申请日：1999-11-18

申请人： Mayumi Uno ,  Noboru Yamada ,  Ken'ichi Nagata ,  Hideo Kusada

发明人： Mayumi Uno ,  Noboru Yamada ,  Ken'ichi Nagata ,  Hideo Kusada

IPC分类号： G11B724

CPC分类号： G11B7/2548 ,  G11B7/24 ,  G11B7/252 ,  G11B7/2531 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/256 ,  G11B7/259 ,  G11B7/2595 ,  G11B2007/24304 ,  G11B2007/24308 ,  G11B2007/2431 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25411 ,  G11B2007/25414 ,  G11B2007/25417 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/2571 ,  G11B2007/25711 ,  G11B2007/25713 ,  G11B2007/25715 ,  G11B2007/25716 ,  G11B2007/25718

摘要： An optical information recording medium is provided in which recording can be performed at higher speed with higher density by enabling the cooling power of the recording medium to be improved, the overwritten-mark distortion to be decreased, and an medium with high transmittance to be obtained. The optical information recording medium is formed by laminating, sequentially on a substrate: a protective layer; an interface layer; a recording layer whose optical characteristics are varied reversibly by irradiation of a laser beam; an interface layer; a light transmittance type reflective layer that transmits the laser beam with a wavelength &lgr;; and a thermal diffusion layer. A thickness d of the thermal diffusion layer is set to be within a range of 0

摘要翻译： 提供一种光学信息记录介质，其中可以通过使记录介质的冷却功率得到改善，可以提高记录介质的冷却功率，降低重写标记失真和获得高透射率的介质，以更高的速度进行更高的记录 。 光学信息记录介质通过依次层叠在基板上形成：保护层; 界面层; 其光学特性通过激光束的照射可逆地变化的记录层; 界面层; 透射型反射层，其透射波长为lamb的激光束; 和热扩散层。 热扩散层的厚度d设定在0

公开(公告)号：US08012559B2

公开(公告)日：2011-09-06

申请号：US12373802

申请日：2007-08-30

申请人： Hideo Kusada ,  Tomiharu Hosaka ,  Noboru Yamada

发明人： Hideo Kusada ,  Tomiharu Hosaka ,  Noboru Yamada

IPC分类号： B32B3/02

CPC分类号： G11B7/2433 ,  G11B7/2575 ,  G11B7/259 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25706 ,  G11B2007/25715 ,  Y10T428/21

摘要： An optical information recording medium having the same recording volume as that of DVD-ROM is obtained which shows excellent characteristics at recording linear velocities within a range of twice linear velocity of DVD (about 8.2 m/s) to five times liner velocity of DVD (about 20.5 m/s) and excellent archival stability, by a construction including a transparent substrate, a recording layer which is formed on the substrate directly or with another layer interposed therebetween and can change in phase reversibly by a laser beam irradiation, wherein the composition of the recording layer is within a region bounded by composition points A(41.2, 7.4, 51.4), B(39.8, 10.5, 49.7), C(28.5, 21.7, 9.8), and D(30.6, 15.8, 53.6) in a triangular coordinate graph represented with a coordinate of (Ge, Sb—Bi, Te) and a Bi content in the recording layer is 4 atom % and more and less than 13 atom %.

摘要翻译： 获得具有与DVD-ROM相同的记录体积的光学信息记录介质，其在DVD的两倍线速度（约8.2m / s）至DVD的5倍的衬片速度的记录线速度方面表现出优异的特性（ 约20.5m / s）和优异的档案稳定性，通过包括透明基板的结构，直接形成在基板上或与其间插入另一层的记录层，并且可以通过激光束照射而相位可逆地改变，其中组合物 的记录层在由A（41.2,7.4,51.4），B（39.8,10.5,49.7），C（28.5,21.7,9.8）和D（30.6,15.8,53.6）所界定的区域内，在 以记录层中的（Ge，Sb-Bi，Te）坐标和Bi含量表示的三角坐标图为4原子％以上且13原子％以下。

公开(公告)号：US20090317581A1

公开(公告)日：2009-12-24

申请号：US12373802

申请日：2007-08-30

申请人： Hideo Kusada ,  Tomiharu Hosaka ,  Noboru Yamada

发明人： Hideo Kusada ,  Tomiharu Hosaka ,  Noboru Yamada

IPC分类号： B32B3/02

CPC分类号： G11B7/2433 ,  G11B7/2575 ,  G11B7/259 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25706 ,  G11B2007/25715 ,  Y10T428/21

摘要： An optical information recording medium having the same recording volume as that of DVD-ROM is obtained which shows excellent characteristics at recording linear velocities within a range of twice linear velocity of DVD (about 8.2 m/s) to five times liner velocity of DVD (about 20.5 m/s) and excellent archival stability, by a construction including a transparent substrate, a recording layer which is formed on the substrate directly or with another layer interposed therebetween and can change in phase reversibly by a laser beam irradiation, wherein the composition of the recording layer is within a region bounded by composition points A(41.2, 7.4, 51.4), B(39.8, 10.5, 49.7), C(28.5, 21.7, 9.8), and D(30.6, 15.8, 53.6) in a triangular coordinate graph represented with a coordinate of (Ge, Sb—Bi, Te) and a Bi content in the recording layer is 4 atom % and more and less than 13 atom %.

摘要翻译： 获得具有与DVD-ROM相同的记录体积的光学信息记录介质，其在DVD的两倍线速度（约8.2m / s）至DVD的5倍的衬片速度的记录线速度方面表现出优异的特性（ 约20.5m / s）和优异的档案稳定性，通过包括透明基板的结构，直接形成在基板上或与其间插入另一层的记录层，并且可以通过激光束照射而相位可逆地改变，其中组合物 的记录层在由A（41.2,7.4,51.4），B（39.8,10.5,49.7），C（28.5,21.7,9.8）和D（30.6,15.8,53.6）所界定的区域内，在 以记录层中的（Ge，Sb-Bi，Te）坐标和Bi含量表示的三角坐标图为4原子％以上且13原子％以下。