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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. 发明授权

US08133566B2 Information recording medium, its manufacturing method, and sputtering target 失效
标题翻译：信息记录介质，其制造方法和溅射靶
公开(公告)号：US08133566B2
公开(公告)日：2012-03-13
申请号：US12376507
申请日：2007-06-05
申请人： Takashi Nishihara , Rie Kojima , Noboru Yamada , Toshiyuki Matsunaga
发明人： Takashi Nishihara , Rie Kojima , Noboru Yamada , Toshiyuki Matsunaga
IPC分类号： B32B3/02
CPC分类号： G11B7/243 , G11B7/24038 , G11B7/2433 , G11B7/2531 , G11B7/2533 , G11B7/259 , G11B7/266 , G11B2007/24304 , G11B2007/24312 , G11B2007/24314 , G11B2007/24328 , Y10T428/21
摘要： An information recording medium is provided that has high recording sensitivity and high erasability, even when a recording layer thereof is as thin as about 3 nm. An information recording medium 15 on which information can be recorded by applying light or electrical energy has at least a recording layer 104 that undergoes phase change, while the recording layer 104 contains at least one element selected from among Zn, Si and C, and Sb in total proportion of 85 atomic % or more and has a composition preferably represented by the formula Sb100-a1M1a1 (atomic %) (wherein M1 represents at least one element selected from among Zn, Si and C, and a1 is a proportion in terms of atomic % that satisfies a relationship of 0
摘要翻译：提供了具有高记录灵敏度和高可擦除性的信息记录介质，即使其记录层薄到约3nm。通过施加光或电能可以记录信息的信息记录介质15至少具有经历相变的记录层104，而记录层104包含从Zn，Si和C中选出的至少一种元素，Sb 总原子量为85原子％以上，具有式Sb100-a1M1a1（原子％）优选的组成（其中，M1表示选自Zn，Si，C中的至少一种元素，a1相对于原子％满足0

3. 发明申请

US20100178447A1 INFORMATION RECORDING MEDIUM, METHOD FOR PRODUCING THE SAME, AND SPUTTERING TARGET 有权
标题翻译：信息记录介质，其生产方法和喷射目标
公开(公告)号：US20100178447A1
公开(公告)日：2010-07-15
申请号：US12663931
申请日：2008-06-09
申请人： Rie Kojima , Noboru Yamada , Tosiyuki Matunaga , Takashi Nishihara
发明人： Rie Kojima , Noboru Yamada , Tosiyuki Matunaga , Takashi Nishihara
IPC分类号： B32B3/02 , C23C14/34
CPC分类号： G11B7/2433 , G11B7/259 , G11B2007/24304 , G11B2007/2431 , G11B2007/24314 , G11B2007/2432 , G11B2007/24322 , G11B2007/24324 , G11B2007/24328 , G11B2007/25706 , G11B2007/25715 , Y10T428/21
摘要： An information recording medium (100) of the present invention is an information recording medium that allows information to be recorded thereon by being irradiated with an optical beam or by being applied with electrical energy, and includes at least a recording layer (115) whose phase can change. The recording layer (115) contains antimony (Sb), carbon (C), and a light element (L) having an atomic weight of less than 33. The light element (L) preferably is at least one element selected from B, N, O, Mg, Al, and S. For example, the recording layer (115) may be composed of a material represented by a composition Sb100-x-yCxLy, where the subscripts 100-x-y, x, and y denote composition ratios of Sb, C, and the L in atomic percentage, respectively, and x and y satisfy x+y≦50.
摘要翻译：本发明的信息记录介质（100）是通过用光束照射或通过施加电能使信息记录在其上的信息记录介质，并且至少包括记录层（115），其记录层可以换。记录层（115）包含锑（Sb），碳（C）和原子量小于33的光元件（L）。轻元素（L）优选为选自B，N ，O，Mg，Al和S.例如，记录层（115）可以由组成Sb100-x-yCxLy表示的材料构成，其中下标100-xy，x和y表示 Sb，C和原子百分比的L，x和y满足x + y＆nlE; 50。

4. 发明申请

US20100047504A1 INFORMATION RECORDING MEDIUM, ITS MANUFACTURING METHOD, AND SPUTTERING TARGET 失效
标题翻译：信息记录介质，其制造方法和溅射目标
公开(公告)号：US20100047504A1
公开(公告)日：2010-02-25
申请号：US12376507
申请日：2007-06-05
申请人： Takashi Nishihara , Rie Kojima , Noboru Yamada , Toshiyuki Matsunaga
发明人： Takashi Nishihara , Rie Kojima , Noboru Yamada , Toshiyuki Matsunaga
IPC分类号： B32B3/02 , C23C14/34
CPC分类号： G11B7/243 , G11B7/24038 , G11B7/2433 , G11B7/2531 , G11B7/2533 , G11B7/259 , G11B7/266 , G11B2007/24304 , G11B2007/24312 , G11B2007/24314 , G11B2007/24328 , Y10T428/21
摘要： An information recording medium is provided that has high recording sensitivity and high erasability, even when a recording layer thereof is as thin as about 3 nm. An information recording medium 15 on which information can be recorded by applying light or electrical energy has at least a recording layer 104 that undergoes phase change, while the recording layer 104 contains at least one element selected from among Zn, Si and C, and Sb in total proportion of 85 atomic % or more and has composition preferably represented by the formula Sb100-a1M1a (atomic %) (wherein M1 represents at least one element selected from among Zn, Si and C, and al is a proportion in term of atomic % that satisfies a relationship of 0
摘要翻译：提供了具有高记录灵敏度和高可擦除性的信息记录介质，即使其记录层薄到约3nm。通过施加光或电能可以记录信息的信息记录介质15至少具有经历相变的记录层104，而记录层104含有选自Zn，Si和C中的至少一种元素，Sb 总成分为85原子％以上，组成优选以式Sb100-a1M1a（原子％）表示（其中M1表示选自Zn，Si和C中的至少一种元素，a1为原子比例％满足0

5. 发明授权

US07449225B2 Information recording medium and method for manufacturing the same 失效
标题翻译：信息记录介质及其制造方法
公开(公告)号：US07449225B2
公开(公告)日：2008-11-11
申请号：US10527354
申请日：2003-09-12
申请人： Takashi Nishihara , Rie Kojima , Noboru Yamada , Takeshi Sakaguchi
发明人： Takashi Nishihara , Rie Kojima , Noboru Yamada , Takeshi Sakaguchi
IPC分类号： B32B3/02
CPC分类号： G11B7/24038 , G11B7/243 , G11B7/256 , G11B7/257 , G11B7/258 , G11B7/259 , G11B7/268 , G11B2007/24314 , G11B2007/24316
摘要： An information recording medium of the present invention includes a substrate and an information layer arranged on the substrate. The information layer includes a recording layer that is changed in phase reversibly between a crystalline phase and an amorphous phase by at least one of optical means and electrical means, and at least one crystalline nucleation layer that contains at least one element selected from Bi and Te and at least one element (M1) selected from Sc, Y, La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Yb, and Lu and is provided in contact with the recording layer.
摘要翻译：本发明的信息记录介质包括基板和布置在基板上的信息层。信息层包括通过光学装置和电气装置中的至少一个可逆地在晶相和非晶相之间相位地改变的记录层，以及至少一个包含选自Bi和Te中的至少一种元素的晶核成核层和选自Sc，Y，La，Ce，Pr，Nd，Sm，Gd，Tb，Dy，Ho，Er，Yb和Lu中的至少一种元素（M1），并与记录层接触。

6. 发明授权

US07407697B2 Information recording medium and method for manufacturing the same 失效
标题翻译：信息记录介质及其制造方法
公开(公告)号：US07407697B2
公开(公告)日：2008-08-05
申请号：US11072532
申请日：2005-03-07
申请人： Takashi Nishihara , Yukako Doi , Rie Kojima , Noboru Yamada
发明人： Takashi Nishihara , Yukako Doi , Rie Kojima , Noboru Yamada
IPC分类号： B32B3/02
CPC分类号： G11B7/257 , G11B7/00454 , G11B7/00456 , G11B7/24038 , G11B7/243 , G11B2007/2571 , G11B2007/25715 , H01L27/2463 , H01L45/06 , H01L45/1233 , H01L45/1293 , H01L45/144 , H01L45/1625 , Y10T428/21
摘要： An information recording medium is provided that has high recording sensitivity for recording information and superior repeated rewriting performance. The information recording medium has at least a recording layer that is changeable between a crystalline phase and an amorphous phase by applying a laser beam or electric current and a dielectric layer. The dielectric layer contains at least C, Si, Sn and O. Alternatively, the information recording medium includes at least two information layers with at least one of the information layer including at least a recording layer that is changeable between a crystalline phase and an amorphous phase by applying a laser beam or electric current and a dielectric layer. The dielectric layer contains at least C, Si, Sn and O.
摘要翻译：提供具有高记录灵敏度的信息记录介质，用于记录信息和优异的重复重写性能。信息记录介质至少具有通过施加激光束或电流以及电介质层在结晶相和非晶相之间变化的记录层。电介质层至少包含C，Si，Sn和O.另外，信息记录介质包括至少两个信息层，信息层中的至少一个信息层至少包括在结晶相和非晶态之间是可变的记录层通过施加激光束或电流和介电层来实现。电介质层至少含有C，Si，Sn和O.

7. 发明授权

US06670014B2 Information recording medium and method for producing the same, and method for recording/reproducing information thereon 有权
公开(公告)号：US06670014B2
公开(公告)日：2003-12-30
申请号：US09943327
申请日：2001-08-29
申请人： Takashi Nishihara , Rie Kojima , Noboru Yamada
发明人： Takashi Nishihara , Rie Kojima , Noboru Yamada
IPC分类号： B32B302
CPC分类号： G11B7/253 , G11B7/0045 , G11B7/126 , G11B7/1263 , G11B7/24 , G11B7/24038 , G11B7/243 , G11B7/252 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/26 , G11B2007/24306 , G11B2007/24308 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , H01L27/2463 , H01L45/06 , H01L45/1233 , H01L45/144 , H01L45/1625 , Y10T428/21 , Y10T428/24942
摘要： An information recording medium includes a first information layer and a second information layer. The first information layer includes a first recording layer in which a reversible phase change is caused between a crystalline phase and an amorphous phase by irradiation of a laser beam or application of current. The second information layer includes a second recording layer in which a reversible phase change is caused between a crystalline phase and an amorphous phase by the irradiation of the laser beam or the application of the current. The first recording layer is made of a first material, the second recording layer is made of a second material, and the first material is different from the second material.

8. 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。

9. 发明授权

US08435619B2 Information recording medium 有权
标题翻译：信息记录介质
公开(公告)号：US08435619B2
公开(公告)日：2013-05-07
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： G11B7/241
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。

10. 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。

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