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31. 发明申请

US20050030882A1 Optical information recording medium and method of manufacturing thereof, manufacturing apparatus, recording/reproducing method, and recording/reproducing apparatus 有权
标题翻译：光信息记录介质及其制造方法，制造装置，记录/再现方法和记录/再现装置
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％。

32. 发明授权

US06794006B2 Information recording medium and method for producing the same, and method for recording/reproducing information thereon 有权
公开(公告)号：US06794006B2
公开(公告)日：2004-09-21
申请号：US10667684
申请日：2003-09-22
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.

33. 发明授权

US06689445B2 Information recording medium and method of 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：US06689445B2
公开(公告)日：2004-02-10
申请号：US09801977
申请日：2001-03-08
申请人： Rie Kojima , Noboru Yamada , Takashi Nishihara
发明人： Rie Kojima , Noboru Yamada , Takashi Nishihara
IPC分类号： B32B302
CPC分类号： G11B7/266 , G11B7/00454 , G11B7/00557 , G11B7/243 , G11B7/26 , G11B2007/24306 , G11B2007/24308 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/24322 , Y10T428/21
摘要： An information recording medium that is excellent in repeated-rewriting performance and is deteriorated less in crystallization sensitivity with time is provided, with respect to which high density recording can be carried out. A method of manufacturing the same also is provided. The information recording medium includes a substrate and a recording layer disposed above the substrate. The recording layer contains, as constituent elements, Ge, Sb, Te, Sn, and at least one element M selected from Ag, Al, Cr, Mn, and N and is transformed in phase reversibly between a crystal phase and an amorphous phase by an irradiation of an energy beam.
摘要翻译：提供了能够进行高密度记录的重复重写性能优异且结晶灵敏度随时间劣化较差的信息记录介质。还提供了一种制造该方法的方法。信息记录介质包括基板和设置在基板上方的记录层。记录层含有Ge，Sb，Te，Sn以及从Ag，Al，Cr，Mn和N中选择的至少一种元素M作为构成元素，并且通过在晶相和非晶相之间可逆地相变地相变能量束的照射。

34. 发明授权

US06607869B1 Optical information recording medium and method of manufacturing the same 失效
标题翻译：光信息记录介质及其制造方法
公开(公告)号：US06607869B1
公开(公告)日：2003-08-19
申请号：US09113264
申请日：1998-07-10
申请人： Rie Kojima , Keiichiro Horai , Toshiaki Kashihara , Noboru Yamada
发明人： Rie Kojima , Keiichiro Horai , Toshiaki Kashihara , Noboru Yamada
IPC分类号： G11B724
CPC分类号： G11B7/26 , C23C14/0073 , G11B7/243 , G11B7/257 , G11B7/2585 , G11B7/2595 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/24322 , Y10S430/146
摘要： An optical information recording medium having a recording layer for inducing a reversible phase change by irradiation with energy beam. The recording layer contains Te, Ge, Sb, and N, and the concentration of the N being contained is in a range of about 0.1% by atom to about 10% by atom. In this constitution, an excellent repeated recording and erasing performance is obtained.
摘要翻译：一种光学信息记录介质，具有用于通过用能量束照射来诱发可逆相变的记录层。记录层含有Te，Ge，Sb和N，并且所含的N的浓度在约0.1％至约10原子％的范围内。在这种结构中，获得了优异的重复记录和擦除性能。

35. 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。

36. 发明授权

US08268433B2 Information recording medium and method for producing same, and sputtering target 有权
标题翻译：信息记录介质及其制造方法，溅射靶
公开(公告)号：US08268433B2
公开(公告)日：2012-09-18
申请号：US12811890
申请日：2009-10-23
申请人： Akio Tsuchino , Hideo Kusada , Rie Kojima , Noboru Yamada , Toshiyuki Matunaga
发明人： Akio Tsuchino , Hideo Kusada , Rie Kojima , Noboru Yamada , Toshiyuki Matunaga
IPC分类号： B32B3/02
CPC分类号： G11B7/266 , C23C14/0623 , C23C14/0635 , C23C14/3464 , G11B7/00454 , G11B7/1387 , G11B7/24038 , G11B7/2433 , G11B7/2437 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/24328 , G11B2007/25706 , G11B2007/2571 , G11B2007/25715
摘要： An information recording medium (1) of the present invention is an information recording medium allowing information to be recorded thereon by irradiation with a laser beam or by application of electrical energy. The information recording medium (1) includes a recording layer (15) capable of undergoing a phase change by the irradiation with the laser beam or by the application of the electrical energy. The recording layer (15) contains Sb, Te, Ge, and C, and a content of Te in the recording layer (15) is at least 8 atom % but not more than 25 atom %.
摘要翻译：本发明的信息记录介质（1）是允许通过激光束照射或通过施加电能在其上记录信息的信息记录介质。信息记录介质（1）包括能够通过用激光束照射或通过施加电能而经历相变的记录层（15）。记录层（15）含有Sb，Te，Ge和C，并且记录层（15）中的Te含量为至少8原子％但不大于25原子％。

37. 发明授权

US08173239B2 Information recording medium, method for producing the same, and sputtering target 有权
标题翻译：信息记录介质，其制造方法和溅射靶
公开(公告)号：US08173239B2
公开(公告)日：2012-05-08
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
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被记录在其上的信息记录介质，并且至少包括记录层（115），其相位可以换。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。

38. 发明授权

US08130623B2 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/或再现装置，光学信息记录和/或再现方法，光学信息记录介质和固体浸没透镜
公开(公告)号：US08130623B2
公开(公告)日：2012-03-06
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
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。

39. 发明授权

US07993720B2 Information recording medium, method and apparatus for manufacturing the same 有权
标题翻译：信息记录介质，其制造方法和装置
公开(公告)号：US07993720B2
公开(公告)日：2011-08-09
申请号：US12162422
申请日：2006-12-18
申请人： Yoshitaka Sakaue , Rie Kojima , Takashi Nishihara
发明人： Yoshitaka Sakaue , Rie Kojima , Takashi Nishihara
IPC分类号： B23B3/02
CPC分类号： G11B7/243 , G11B7/24038 , 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 information recording medium of the present invention includes recording layers 19 and 26 whose phase can change by an optical or an electrical system so as to be detectable, and interface layers 18, 20, 25 and 27, which are in contact with the recording layers 19 and 26, to serve as oxide layers. The recording layer 19 contains a Ge—Bi—Te-M material represented by a formula: GeαBiβTeγM100-α-β-γ (atom %), where M denotes at least one element selected from Al, Ga, In and Mn, and α, β and γ satisfy 25≦α≦60, 0
摘要翻译：本发明的信息记录介质包括记录层19和26，其相位可以通过光学或电气系统改变以便可检测，并且与记录层接触的界面层18,20,25和27 19和26，用作氧化物层。记录层19含有由GeαBi＆bgr;TeγM100-α-bgr-γ（原子％）表示的Ge-Bi-Te-M材料，其中M表示选自Al，Ga，In和Mn中的至少一种元素，和α，＆bgr; 并且γ满足25＆nlE;α＆nlE; 60,0 <＆bgr;＆lt; ll; 18,35＆nlE;γ＆nlE; 55和82＆nlE;α+＆bgr; +γ<100。界面层18,20,25和27包含记录层19和26中包含的元素M的至少一种氧化物。

40. 发明申请

US20110177280A1 INFORMATION RECORDING MEDIUM AND METHOD FOR PRODUCING 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：US20110177280A1
公开(公告)日：2011-07-21
申请号：US13057899
申请日：2010-07-26
申请人： Akio Tsuchino , Takashi Nishihara , Rie Kojima , Noboru Yamada
发明人： Akio Tsuchino , Takashi Nishihara , Rie Kojima , Noboru Yamada
IPC分类号： G11B7/257 , C23C14/34 , C23C14/08 , G11B7/241 , G11B7/26
CPC分类号： G11B7/24038 , G11B7/2578 , G11B2007/25706 , G11B2007/25715 , Y10T428/21
摘要： The information recording medium (1) of the present invention includes a recording film (114, 124). The information recording medium (1) allows information to be recorded and reproduced on and from the information recording medium by irradiation of the recording film (114, 124) with a laser beam (18). The information recording medium (1) of the present invention further includes a mixed dielectric film (the second dielectric film 116, 126) disposed on the laser beam (18) incident side with respect to the recording film (114, 124). The mixed dielectric film contains a mixed dielectric material consisting of Zn sulfide, Si oxide and an oxide X (where the oxide X is an oxide of at least one element selected from Ti, Nb, Ta and Ce).
摘要翻译：本发明的信息记录介质（1）包括记录膜（114,124）。信息记录介质（1）允许通过用激光束（18）照射记录膜（114,124）来使信息被记录和从信息记录介质再现。本发明的信息记录介质（1）还包括相对于记录膜（114,124）设置在激光束（18）入射侧的混合电介质膜（第二电介质膜116,126）。混合电介质膜包含由硫化锌，氧化硅和氧化物X（其中氧化物X是选自Ti，Nb，Ta和Ce中的至少一种元素的氧化物）组成的混合电介质材料。

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