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1. 发明授权

US08685518B2 Information recording medium and method for producing same 有权
标题翻译：信息记录介质及其制造方法
公开(公告)号：US08685518B2
公开(公告)日：2014-04-01
申请号：US13699871
申请日：2012-02-24
申请人： Rie Kojima , Akio Tsuchino , Hideo Kusada , Takashi Nishihara , Noboru Yamada
发明人： Rie Kojima , Akio Tsuchino , Hideo Kusada , Takashi Nishihara , Noboru Yamada
IPC分类号： G11B7/24
CPC分类号： G11B7/2433 , G11B7/24027 , G11B7/24035 , G11B7/24038 , G11B7/252 , G11B7/266 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316
摘要： An information recording medium including three or more information layers, wherein: at least one information layer includes a recording layer and a nucleation layer; the recording layer contains a material that is represented by formula (1) [(Ge0.5Te0.5)x(In0.4Te0.6)1-x]ySb100-y (mol %) with x satisfying 0.8≦x
摘要翻译：一种包括三个或更多个信息层的信息记录介质，其中：至少一个信息层包括记录层和成核层; 记录层含有由满足0.8＆nlE; x <1.0的式（1）[（Ge0.5Te0.5）x（In0.4Te0.6）1-x] ySb100-y（mol％）表示的材料 y满足95＆nlE; y <100; 成核层含有z满足10＆nlE; z＆nlE; 71的式（2）（Ge0.5Te0.5）z（Bi0.4Te0.6）100-z（mol％）表示的材料。并且成核层与记录层接触。即使在形成小记录标记的情况下，该信息记录介质也能够获得足够的信号幅度，并且还能够稳定地保持小的记录标记。

2. 发明申请

US20130071653A1 INFORMATION RECORDING MEDIUM AND METHOD FOR PRODUCING SAME 有权
标题翻译：信息记录介质及其生产方法
公开(公告)号：US20130071653A1
公开(公告)日：2013-03-21
申请号：US13699871
申请日：2012-02-24
申请人： Rie Kojima , Akio Tsuchino , Hideo Kusada , Takashi Nishihara , Noboru Yamada
发明人： Rie Kojima , Akio Tsuchino , Hideo Kusada , Takashi Nishihara , Noboru Yamada
IPC分类号： G11B7/2433 , G11B7/26 , G11B7/24027 , G11B7/24038
CPC分类号： G11B7/2433 , G11B7/24027 , G11B7/24035 , G11B7/24038 , G11B7/252 , G11B7/266 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316
摘要： An information recording medium including three or more information layers, wherein: at least one information layer includes a recording layer and a nucleation layer; the recording layer contains a material that is represented by formula (1) [(Ge0.5Te0.5)x(In0.4Te0.6)1-x]ySb100-y (mol %) with x satisfying 0.8≦x
摘要翻译：一种包括三个或更多个信息层的信息记录介质，其中：至少一个信息层包括记录层和成核层; 记录层包含由满足0.8＆nlE; x <1.0的式（1）[（Ge 0.5 Te 0.5）x（In 0.4 Te 0.6）1-x] y Sb b-y（mol％）表示的材料 y满足95＆nlE; y <100; 成核层含有z满足10＆nlE; z＆nlE; 71的式（2）（Ge0.5Te0.5）z（Bi0.4Te0.6）100-z（mol％）表示的材料。并且成核层与记录层接触。即使在形成小记录标记的情况下，该信息记录介质也能够获得足够的信号幅度，并且还能够稳定地保持小的记录标记。

3. 发明申请

US20110058463A1 OPTICAL INFORMATION RECORDING MEDIUM AND RECORDING/REPRODUCING METHOD THEREFOR 有权
标题翻译：光信息记录介质和记录/再现方法
公开(公告)号：US20110058463A1
公开(公告)日：2011-03-10
申请号：US12918710
申请日：2009-12-16
申请人： Hideo Kusada , Rie Kojima , Takashi Nishihara , Akio Tsuchino , Noboru Yamada
发明人： Hideo Kusada , Rie Kojima , Takashi Nishihara , Akio Tsuchino , Noboru Yamada
IPC分类号： G11B7/26 , G11B7/00
CPC分类号： G11B7/2433 , G11B7/0037 , G11B7/0062 , G11B7/24038 , G11B7/2578 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/2571 , G11B2007/25715
摘要： An optical information recording medium (100) of the present invention includes an information layer (011) that allows information to be recorded thereon and reproduced therefrom by irradiation with a laser beam (040). The information layer (011) includes a reflective layer (002), a first dielectric layer (003), a recording layer (005) capable of undergoing a phase change by the irradiation with the laser beam (040) and a second dielectric layer (007) formed in this order from a side opposite to a laser beam incident side. The recording layer (005) contains Ge, Sb and Te. When Ge, Sb and Te contained in the recording layer (005) are represented by GexSbyTez in atomic number ratio, x, y, and z satisfy 0.39≦x≦0.48, 0.02≦y
摘要翻译：本发明的光学信息记录介质（100）包括信息层（011），其允许在其上记录信息并通过激光束照射从其再现。信息层（011）包括反射层（002），第一电介质层（003），能够通过用激光束（040）照射而经历相变的记录层（005）和第二电介质层 007）从与激光束入射侧相反的一侧依次形成。记录层（005）含有Ge，Sb和Te。当记录层（005）中包含的Ge，Sb和Te以原子序数比为GexSbyTez表示时，x，y和z满足0.39＆nlE; x＆nlE; 0.48,0.02＆nlE; y <0.11,0.40＆nlE; z <0.56 ，x + y + z = 1。记录层（005）的厚度为10nm以上且15nm以下。在来自信息层（011）的激光束（040）的反射光量与入射到信息层（011）上的激光束（040）的量的比率被表示为R（％），记录层（005）处于结晶状态时的R表示为Rc（％），记录层（005）处于非晶态时的R表示为Ra（％），Rc和Ra 满足6.0＆nlE; Rc / Ra＆nlE; 12.0和1.0＆nlE; Rc＆nlE; 3.0。

4. 发明授权

US08580368B2 Information recording medium and method for manufacturing the same 有权
标题翻译：信息记录介质及其制造方法
公开(公告)号：US08580368B2
公开(公告)日：2013-11-12
申请号：US13639011
申请日：2012-02-24
申请人： Akio Tsuchino , Takashi Nishihara , Hideo Kusada , Rie Kojima , Noboru Yamada
发明人： Akio Tsuchino , Takashi Nishihara , Hideo Kusada , Rie Kojima , Noboru Yamada
IPC分类号： G11B7/24
CPC分类号： G11B7/24 , G11B7/2403 , G11B7/24038 , G11B7/24041 , G11B7/252 , G11B7/2578 , G11B7/266
摘要： An optical information recording medium including three or more information layers, wherein at least one information layer provided on the light incident side is an information layer which enables information to be overwritten and includes a recording film, a transmittance adjusting film of a dielectric containing Bi, Ti and O, and an isolation film in this order from a light incident side; and the isolation film is provided between and adjacent to the transmittance adjusting film and an intermediate separation layer which separate the information layer from another information layer on the side opposite to the light incident side; and the isolation film has an optical constant at a wavelength of 405 nm such that a refractive index is 1.8 or less and an extinction coefficient is 0.05 or less. This information recording medium prevents the repeated overwriting characteristics in a sever environment from being deteriorated.
摘要翻译：一种包括三个或更多个信息层的光学信息记录介质，其中设置在光入射侧的至少一个信息层是能够覆盖信息并包括记录膜的信息层，包含Bi的电介质的透射率调节膜， Ti和O，以及从光入射侧开始的顺序的隔离膜; 并且隔离膜设置在透光率调整膜之间并与其相邻;以及中间隔离层，其在与光入射侧相反的一侧将信息层与另一信息层分离; 并且隔离膜的波长为405nm的光学常数使得折射率为1.8以下，消光系数为0.05以下。该信息记录介质防止了严重环境中的重复重写特性的劣化。

5. 发明授权

US08437235B2 Optical information recording medium and recording/reproducing method therefor 有权
标题翻译：光信息记录介质及其记录/再现方法
公开(公告)号：US08437235B2
公开(公告)日：2013-05-07
申请号：US12918710
申请日：2009-12-16
申请人： Hideo Kusada , Rie Kojima , Takashi Nishihara , Akio Tsuchino , Noboru Yamada
发明人： Hideo Kusada , Rie Kojima , Takashi Nishihara , Akio Tsuchino , Noboru Yamada
IPC分类号： G11B7/00
CPC分类号： G11B7/2433 , G11B7/0037 , G11B7/0062 , G11B7/24038 , G11B7/2578 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/2571 , G11B2007/25715
摘要： An optical information recording medium (100) of the present invention includes an information layer (011) that allows information to be recorded thereon and reproduced therefrom by irradiation with a laser beam (040). The information layer (011) includes a reflective layer (002), a first dielectric layer (003), a recording layer (005) capable of undergoing a phase change by the irradiation with the laser beam (040) and a second dielectric layer (007) formed in this order from a side opposite to a laser beam incident side. The recording layer (005) contains Ge, Sb and Te. When Ge, Sb and Te contained in the recording layer (005) are represented by GexSbyTez in atomic number ratio, x, y, and z satisfy 0.39≦x≦0.48, 0.02≦y
摘要翻译：本发明的光学信息记录介质（100）包括信息层（011），其允许在其上记录信息并通过激光束照射从其再现。信息层（011）包括反射层（002），第一电介质层（003），能够通过用激光束（040）照射而经历相变的记录层（005）和第二电介质层 007）从与激光束入射侧相反的一侧依次形成。记录层（005）含有Ge，Sb和Te。当记录层（005）中包含的Ge，Sb和Te以原子序数比的GexSbyTez表示时，x，y和z满足0.39 @ x @ 0.48,0.02@y <0.11,0.40×z <0.56，x + y + z = 1。记录层（005）的厚度为10nm以上且15nm以下。在来自信息层（011）的激光束（040）的反射光量与入射到信息层（011）上的激光束（040）的量的比率被表示为R（％），记录层（005）处于结晶状态时的R表示为Rc（％），记录层（005）处于非晶态时的R表示为Ra（％），Rc和Ra 满足6.0 @ Rc / Ra @ 12.0和1.0 @ Rc @ 3.0。

6. 发明申请

US20130071600A1 INFORMATION RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译：信息记录介质及其制造方法
公开(公告)号：US20130071600A1
公开(公告)日：2013-03-21
申请号：US13639011
申请日：2012-02-24
申请人： Akio Tsuchino , Takashi Nishihara , Hideo Kusada , Rie Kojima , Noboru Yamada
发明人： Akio Tsuchino , Takashi Nishihara , Hideo Kusada , Rie Kojima , Noboru Yamada
IPC分类号： G11B7/24 , G11B7/2578 , G11B7/26
CPC分类号： G11B7/24 , G11B7/2403 , G11B7/24038 , G11B7/24041 , G11B7/252 , G11B7/2578 , G11B7/266
摘要： An optical information recording medium including three or more information layers, wherein at least one information layer provided on the light incident side is an information layer which enables information to be overwritten and includes a recording film, a transmittance adjusting film of a dielectric containing Bi, Ti and O, and an isolation film in this order from a light incident side; and the isolation film is provided between and adjacent to the transmittance adjusting film and an intermediate separation layer which separate the information layer from another information layer on the side opposite to the light incident side; and the isolation film has an optical constant at a wavelength of 405 nm such that a refractive index is 1.8 or less and an extinction coefficient is 0.05 or less. This information recording medium prevents the repeated overwriting characteristics in a sever environment from being deteriorated.
摘要翻译：一种包括三个或更多个信息层的光学信息记录介质，其中设置在光入射侧的至少一个信息层是能够覆盖信息并包括记录膜的信息层，包含Bi的电介质的透射率调节膜， Ti和O，以及从光入射侧开始的顺序的隔离膜; 并且隔离膜设置在透光率调整膜之间并与其相邻;以及中间分离层，其将信息层与光入射侧相反的一侧的另一信息层分离; 并且隔离膜的波长为405nm的光学常数使得折射率为1.8以下，消光系数为0.05以下。该信息记录介质防止了严重环境中的重复重写特性的劣化。

7. 发明申请

US20090059758A1 OPTICAL INFORMATION RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME 审中-公开
标题翻译：光学信息记录介质及其制造方法
公开(公告)号：US20090059758A1
公开(公告)日：2009-03-05
申请号：US11910713
申请日：2006-03-02
申请人： Takashi Nishihara , Akio Tsuchino , Rie Kojima , Noboru Yamada
发明人： Takashi Nishihara , Akio Tsuchino , Rie Kojima , Noboru Yamada
IPC分类号： G11B7/00
CPC分类号： G11B7/24038 , G11B7/243 , G11B7/2531 , G11B7/257 , G11B7/266 , G11B2007/25715
摘要： To provide an optical information recording medium having an information layer of excellent transmittance and signal intensity, an optical information recording medium 22 includes at least one information layer. The information layer includes a recording layer on which information can be recorded and/or from which information can be reproduced by the irradiation of a laser beam 11, and a Ce containing layer containing Ce and O.
摘要翻译：为了提供具有优异的透射率和信号强度的信息层的光学信息记录介质，光学信息记录介质22包括至少一个信息层。信息层包括可以通过照射激光束11和含有Ce和O的含Ce层的信息可以记录信息和/或从中可以再现信息的记录层。

8. 发明授权

US08530140B2 Optical information recording medium and method for manufacturing the same 有权
标题翻译：光学信息记录介质及其制造方法
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。

9. 发明申请

US20100151179A1 Optical Information Recording Medium, Method Of Manufacturing The Same, And Sputtering Target 失效
标题翻译：光信息记录介质，制造方法和溅射目标
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）。

10. 发明申请

US20110151277A1 INFORMATION RECORDING MEDIUM 有权
标题翻译：信息记录媒体
公开(公告)号：US20110151277A1
公开(公告)日：2011-06-23
申请号：US13060396
申请日：2010-02-22
申请人： Takashi Nishihara , Rie Kojima , Akio Tsuchino , Noboru Yamada
发明人： Takashi Nishihara , Rie Kojima , Akio Tsuchino , Noboru Yamada
IPC分类号： B32B9/00
CPC分类号： G11B7/24038 , G11B7/2578 , G11B7/259 , G11B7/266 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25715 , Y10T428/21
摘要： An information recording medium (9) of the present invention is an information recording medium with respect to which information can be recorded or reproduced by irradiation with an optical beam (1). The information recording medium (9) includes a second interface layer (103), a recording layer (104) and a first interface layer (105) in this order from the optical beam (1) incident side. The first interface layer (105) and the second interface layer (103) are disposed in contact with the recording layer (104). The second interface layer (103) contains M1 (where M1 is at least one element selected from Nb, Y, Dy, Ti, Si and Al), Cr and oxygen (O). The first interface layer (105) contains M2 (where M2 is at least one element selected from Nb, Y, Dy, Ti, Si, Al, Zr and Hf), Cr and oxygen (O). The first interface layer (105) and the second interface layer (103) each contain Cr in a range of 50 mol % or less in terms of the oxide (Cr2O3).
摘要翻译：本发明的信息记录介质（9）是信息记录介质，通过用光束（1）的照射可以记录或再现信息。信息记录介质（9）从光束（1）入射侧依次包括第二接口层（103），记录层（104）和第一界面层（105）。第一界面层（105）和第二界面层（103）设置成与记录层（104）接触。第二界面层（103）含有M1（其中M1为选自Nb，Y，Dy，Ti，Si和Al中的至少一种元素），Cr和氧（O）。第一界面层（105）含有M2（其中，M2为选自Nb，Y，Dy，Ti，Si，Al，Zr和Hf中的至少一种元素），Cr和氧（O）。第一界面层（105）和第二界面层（103）各自含有以氧化物（Cr 2 O 3）换算为50摩尔％以下的Cr。

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