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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. 发明授权

US08017208B2 Information recording medium, target and method for manufacturing of information recording medium using the same 有权
标题翻译：信息记录介质，目标和使用其的信息记录介质的制造方法
公开(公告)号：US08017208B2
公开(公告)日：2011-09-13
申请号：US11931160
申请日：2007-10-31
申请人： Akio Tsuchino , Hideo Kusada , Rie Kojima , Noboru Yamada
发明人： Akio Tsuchino , Hideo Kusada , Rie Kojima , Noboru Yamada
IPC分类号： B32B3/02
CPC分类号： C23C14/3414 , C23C14/0623 , G11B7/24038 , G11B7/2433 , G11B7/2533 , G11B7/2578 , G11B7/258 , G11B11/002 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11C13/0004 , H01L45/06 , H01L45/12 , H01L45/1233 , H01L45/144 , H01L45/148 , H01L45/1625 , Y10T428/21
摘要： An information recording medium of the present invention includes a recording layer whose phase changes by irradiation with a laser beam or application of current. The recording layer contains, as its main component, a composite composed of Ge and Sb that are essential components, and Te that is an optional component. The composite has a composition within a region enclosed by: point (a) (35, 65, 0), point (b) (36.9, 60, 3.1), point (c) (3.2, 60, 36.8), and point (d) (5, 95, 0) in terms of a coordinate (Ge, Sb, Te)=(x, y, z) on the triangular coordinate shown in FIG. 1, where point (b) corresponds to a point at Sb=60 on Ge60Te40—Ge35Sb65, point (c) corresponds to a point at Sb=60 on Te—Ge5Sb95, and the region includes lines extending between point (a) and point (b), point (b) and point (c), point (c) and point (d), and point (d) and point (a).
摘要翻译：本发明的信息记录介质包括通过用激光束照射或电流施加而相位变化的记录层。作为主要成分的记录层含有作为必要成分的由Ge和Sb构成的复合体，Te为可选择的成分。复合材料在由（a）（35,65,0），点（b）（36.9,60,3.1），点（c）（3.2,60,36.8）和点（ d）（5,95,0）以图3所示的三角坐标上的坐标（Ge，Sb，Te）=（x，y，z）表示。 1，其中点（b）对应于Ge60Te40-Ge35Sb65上的Sb = 60处的点，点（c）对应于Te-Ge 5 Sb 5 95处Sb = 60处的点，并且该区域包括在点（a）和点（b），点（b）和点（c），点（c）和点（d），点（d）和点（a）。

4. 发明申请

US20110069599A1 OPTICAL INFORMATION RECORDING AND/OR REPRODUCING APPARATUS, OPTICAL INFORMATION RECORDING AND/OR REPRODUCING METHOD, OPTICAL INFORMATION RECORDING MEDIUM, AND SOLID IMMERSION LENS 有权
标题翻译：光学信息记录和/或复制设备，光学信息记录和/或复制方法，光学信息记录介质和固体透镜
公开(公告)号：US20110069599A1
公开(公告)日：2011-03-24
申请号：US12993599
申请日：2009-05-18
申请人： Kenji Narumi , Masahiro Birukawa , Rie Kojima , Eiichi Ito
发明人： Kenji Narumi , Masahiro Birukawa , Rie Kojima , Eiichi Ito
IPC分类号： G11B7/135 , G11B7/00 , G11B7/26
CPC分类号： G11B7/1387 , G11B7/094 , G11B7/0956 , G11B7/24038 , G11B7/2578
摘要： An optical information recording and/or reproducing apparatus comprises: a focusing unit (11) which collects generated near-field light on an optical disc (1); a first detector (17) which receives light reflected by the optical disc (1) and outputs an electric signal according to the quantity of the received light; and a distance control circuit (22) which controls the distance between the focusing unit (11) and a light entrance surface of the optical disc (1), using the electric signal that is output from the first detector (17), and the optical disc (1) has at least N (N is an integer of 2 or greater) number of information layers, and a distance d0 from the light entrance surface to a first information layer which is most distant from the light entrance surface and a distance dn from the light entrance surface to an Nth information layer which is closest to the light entrance surface satisfy the relationship of dn≧d0×(1/25). As a result, servo control can be accurately performed regardless which information layer, out of a plurality of information layers of an optical disc, information is recorded to or reproduced from.
摘要翻译：光信息记录和/或再现装置包括：聚焦单元（11），其收集在光盘（1）上产生的近场光; 第一检测器（17），其接收由所述光盘（1）反射的光并根据所接收的光量输出电信号; 以及使用从第一检测器（17）输出的电信号来控制聚焦单元（11）和光盘（1）的光入射面之间的距离的距离控制电路（22），并且光学盘（1）具有至少N（N是2以上的整数）的信息层数，以及从光入射面到距离光入射面最远的第一信息层的距离d0，距离dn 从光入射面到最靠近光入射面的第N信息层满足dn≥d0×（1/25）的关系。结果，无论光盘的多个信息层中的哪个信息层的信息被记录或从其再现，都可以精确地执行伺服控制。

5. 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。

6. 发明授权

US07709073B2 Information recording medium 有权
标题翻译：信息记录介质
公开(公告)号：US07709073B2
公开(公告)日：2010-05-04
申请号：US10573174
申请日：2005-05-19
申请人： Rie Kojima , Noboru Yamada
发明人： Rie Kojima , Noboru Yamada
IPC分类号： B32B3/02
CPC分类号： G11B7/266 , G11B7/00454 , G11B7/24038 , G11B7/2433 , G11B9/04 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , H01L45/06 , H01L45/1233 , H01L45/144 , H01L45/1625 , Y10T428/21
摘要： In an information recording medium on and from which information is recorded and reproduced by applying light or electric energy, a recording layer which generates reversible phase change is formed so as to include a material containing Ge, Bi, Te and an element “M” which material is expressed with (GeTe)x[(M2Te3)y(Bi2Te3)1-y]100-x (mol %) wherein “M” represents at least one element selected from Al, Ga and In, and “x” and “y” satisfy 80≦x
摘要翻译：在通过施加光或电能记录和再现信息的信息记录介质中，形成产生可逆相变的记录层，以便包括含有Ge，Bi，Te和元素“M”的材料，材料用（GeTe）x [（M2Te3）y（Bi2Te3）1-y] 100-x（mol％）表示，其中“M”表示选自Al，Ga和In中的至少一种元素，“x”和“ y“满足80＆nlE; x <100和0

7. 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

8. 发明授权

US07608385B2 Information recording medium and method for producing 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：US07608385B2
公开(公告)日：2009-10-27
申请号：US10895870
申请日：2004-07-21
申请人： Rie Kojima , Yukako Doi , Noboru Yamada
发明人： Rie Kojima , Yukako Doi , Noboru Yamada
IPC分类号： G11B7/24
CPC分类号： G11B7/2578 , G11B7/252 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/256 , G11B7/259 , G11B2007/24308 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/25708 , G11B2007/2571 , G11B2007/25711 , G11B2007/25713 , G11B2007/25715 , H01L45/06 , H01L45/1233 , H01L45/144 , H01L45/1625 , Y10S430/146
摘要： The information recording medium of the present invention comprises at least one of the following oxide-based material layers: (I) an oxide-based material layer containing Zr, at least one element selected from the group GL1 consisting of La, Ga and In, and oxygen (O); (II) an oxide-based material layer containing M1 (where M1 is a mixture of Zr and Hf, or Hf), at least one element selected from the group GL2 consisting of La, Ce, Al, Ga, In, Mg and Y, and O; (III) an oxide-based material layer containing at least one element selected from the group GM2 consisting of Zr and Hf, at least one element selected from the group GL2, Si, and O; and (IV) an oxide-based material layer containing at least one element selected from the group GM2, at least one element selected from the group GL2, Cr, and O. This oxide-based material layer can be used, for example, as a dielectric layer.
摘要翻译：本发明的信息记录介质包括以下氧化物基材料层中的至少一种：（I）含有Zr的氧化物基材料层，选自由La，Ga和In组成的组GL1中的至少一种元素，和氧（O）; （II）包含M1（其中M1是Zr和Hf的混合物或Hf）的氧化物基材料层，选自由La，Ce，Al，Ga，In，Mg和Y组成的组GL2中的至少一种元素，和O; （III）含有选自由Zr和Hf组成的组GM2中的至少一种元素的氧化物基材料层，选自GL2，Si和O的至少一种元素; 和（IV）含有选自组GM2，选自组GL2，Cr和O中的至少一种元素中的至少一种元素的氧化物基材料层。该氧化物基材料层可以用于例如电介质层。

9. 发明申请

US20090246558A1 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：US20090246558A1
公开(公告)日：2009-10-01
申请号：US12095832
申请日：2006-11-09
申请人： Takashi Nishihara , Yoshitaka Sakaue , Rie Kojima
发明人： Takashi Nishihara , Yoshitaka Sakaue , Rie Kojima
IPC分类号： G11B7/241 , C23C14/06
CPC分类号： G11B11/002 , G11B7/243 , G11B7/2578 , G11B7/266 , G11B2007/25706 , G11B2007/25708 , G11B2007/2571 , G11B2007/25715 , G11C13/0004 , G11C13/0069 , G11C13/04 , G11C2013/0092 , G11C2213/77 , Y10T428/21
摘要： An information recording medium, 15 capable of recording information by irradiation of light or applying electrical energy, wherein at least one of first and second dielectric layers 102, 106, first interface layer and counter-incident side interface layer 103, 105 is formed from a Si—In—Zr/Hf—O-based material containing at least Si, In, M1 (M1 represents at least one element selected from among Zr and Hf) and oxygen (O), with Si content being 1 atomic % or more. This medium has high recording sensitivity when information is recorded thereon, high overwrite cycle-ability and high signal intensity.
摘要翻译： 15，一种能够通过照射光或施加电能记录信息的信息记录介质，其中第一和第二介电层102,106，第一界面层和反向入射侧界面层103,105中的至少一个由至少含有Si，In，M1（M1表示选自Zr和Hf中的至少一种元素）的Si-In-Zr / Hf-O基材料和Si含量为1原子％以上的氧（O）。当记录信息时，该介质具有高记录灵敏度，高重写循环能力和高信号强度。

10. 发明申请

US20090086608A1 INFORMATION RECORDING MEDIUM AND METHOD FOR MANUFACTURING SAME 有权
标题翻译：信息记录介质及其制造方法
公开(公告)号：US20090086608A1
公开(公告)日：2009-04-02
申请号：US12295083
申请日：2007-03-20
申请人： Tomoyasu Takaoka , Yoshitaka Sakaue , Rie Kojima
发明人： Tomoyasu Takaoka , Yoshitaka Sakaue , Rie Kojima
IPC分类号： G11B7/00
CPC分类号： G11B7/257 , G11B7/00454 , G11B7/24 , G11B7/24038 , G11B7/243 , G11B7/258 , G11B7/266 , G11B2007/25706 , G11B2007/25708 , G11B2007/25715 , Y10T428/21
摘要： An information recording medium of the present invention includes N information layers on a substrate (1), where N is an integer of 2 or more. Information is recorded/reproduced by irradiating each of the information layers (11, 12) with a laser beam (4). When the N information layers are referred to as a first information layer to an N-th information layer sequentially from the opposite side to a laser beam incident side, the L-th information layer included in the N information layers includes at least a recording layer (135) capable of undergoing a phase change through laser beam irradiation, a reflective layer (132), and a transmittance adjusting layer (131) in this order from the laser beam incident side, where L is an integer satisfying 2≦L≦N. The transmittance adjusting layer (131) contains Nb, oxygen (O), and at least one element M selected from Ti, Zr, Hf, Y, Cr, Zn, Ga, Co, Bi, In, Ta, and Ce. In the transmittance adjusting layer (131), the content of Nb is at least 2.9 atom %.
摘要翻译：本发明的信息记录介质在基板（1）上包括N个信息层，其中N是2以上的整数。通过用激光束（4）照射每个信息层（11,12）来记录/再现信息。当将N个信息层从与激光束入射侧的相对侧依次称为第N信息层的第一信息层时，包含在N个信息层中的第L信息层至少包括记录层（135），其能够通过激光束照射进行相变，反射层（132）和透射率调节层（131），其中激光束入射侧依次为L，其中L为满足2 <= L < = N。透光率调整层（131）含有Nb，氧（O）和选自Ti，Zr，Hf，Y，Cr，Zn，Ga，Co，Bi，In，Ta和Ce中的至少一种元素M. 在透射率调整层（131）中，Nb的含量为2.9原子％以上。

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