公开(公告)号：US20120181172A1

公开(公告)日：2012-07-19

申请号：US13496899

申请日：2010-09-15

申请人： Hitoshi Matsuzaki ,  Katsutoshi Takagi ,  Norihiro Jiko ,  Masaya Ehira

发明人： Hitoshi Matsuzaki ,  Katsutoshi Takagi ,  Norihiro Jiko ,  Masaya Ehira

IPC分类号： C23C14/34 ,  C23C14/08

CPC分类号： G11B7/266 ,  C23C14/3414 ,  G11B2007/24302 ,  G11B2007/2432

摘要： Disclosed is a metal oxide-metal composite sputtering target which is useful for the formation of a recording layer for an optical information recording medium, said recording layer containing a metal oxide and a metal. Specifically disclosed is a composite sputtering target containing a metal oxide (A) and a metal (B), wherein the maximum value of the circle-equivalent diameter of the metal oxide (A) is controlled to 200 μm or less.

摘要翻译： 公开了一种金属氧化物 - 金属复合溅射靶，其用于形成用于光学信息记录介质的记录层，所述记录层含有金属氧化物和金属。 具体公开了包含金属氧化物（A）和金属（B）的复合溅射靶，其中金属氧化物（A）的圆当量直径的最大值被控制在200μm以下。

公开(公告)号：US07924696B2

公开(公告)日：2011-04-12

申请号：US12270313

申请日：2008-11-13

申请人： Hironori Kakiuchi ,  Hideo Fujii ,  Norihiro Jiko

发明人： Hironori Kakiuchi ,  Hideo Fujii ,  Norihiro Jiko

IPC分类号： G11B7/24

CPC分类号： G11B7/24079 ,  G11B7/00451

摘要： An optical recording medium of a pitting recording type, to which recording marks are formed by irradiation with a violet laser beam having a wavelength λ in the range of about 380 to about 450 nm, includes a substrate having a surface provided with guide grooves and lands, and a metal recording layer in which recording marks are formed by irradiation with a laser beam. The guide grooves and the lands meet conditions expressed by: λ/18≦DG≦λ/11  (1) 1.5≦WG/WL≦3.5  (2) Where λ is the wavelength of the laser beam used for writing and reading, DG, is the depth of the grooves, WG is the width of the grooves, and WL is the width of lands formed on the substrate, and the wavelength λ is in the range of 380 to 450 nm.

摘要翻译： 点蚀记录型的光记录介质，其中通过用波长λ在约380至约450nm范围内的紫色激光束照射而形成记录标记的光记录介质包括具有设置有引导槽和焊盘的表面的基板 以及通过照射激光而形成记录标记的金属记录层。 引导槽和焊盘满足以下条件：λ/ 18＆nlE; DG＆nlE;λ/ 11（1）1.5＆nlE; WG / WL＆nlE; 3.5（2）其中λ是用于写入和读取的激光束的波长，DG 是槽的深度，WG是槽的宽度，WL是形成在基板上的焊盘的宽度，并且波长λ在380〜450nm的范围内。

公开(公告)号：US20110165016A1

公开(公告)日：2011-07-07

申请号：US13062384

申请日：2009-09-03

申请人： Norihiro Jiko ,  Junichi Nakai ,  Yuuki Tauchi

发明人： Norihiro Jiko ,  Junichi Nakai ,  Yuuki Tauchi

IPC分类号： C22C21/00 ,  C23C14/34

CPC分类号： C23C14/205 ,  G11B7/2585

摘要： Provided is an Al-based alloy reflective film which reduces noise on an optical information recording medium by having a reflective film surface accurately reproduce grooves, pits and the like formed on a substrate, and has high reflectivity. A sputtering target which is effective for forming such a reflective film is also provided. The reflective film to be used for the optical information recording medium is substantially composed of an Al-based alloy containing 2.0-15.0 atm % of a rare-earth element, and has a crystallite size of 30 nm or smaller in the thickness direction of the reflective film.

摘要翻译： 提供一种铝基合金反射膜，其通过使反射膜表面精确地再现形成在基板上的凹槽，凹坑等，并且具有高反射率来降低光信息记录介质上的噪声。 还提供了对形成这种反射膜有效的溅射靶。 用于光学信息记录介质的反射膜基本上由含有2.0-15.0atm％的稀土元素的Al基合金构成，并且在厚度方向上的微晶尺寸为30nm以下 反光膜。

公开(公告)号：US20110003168A1

公开(公告)日：2011-01-06

申请号：US12866230

申请日：2009-02-05

申请人： Norihiro Jiko ,  Junichi Nakai ,  Yuki Tauchi

发明人： Norihiro Jiko ,  Junichi Nakai ,  Yuki Tauchi

IPC分类号： B32B3/00 ,  C23C14/34 ,  C23C14/14 ,  C22C5/06

CPC分类号： C23C14/20 ,  B22F2999/00 ,  C22C1/0466 ,  C22C5/06 ,  C23C14/3414 ,  G11B7/259 ,  G11B7/266 ,  Y10T428/12431 ,  B22F3/10

摘要： The present invention provides an Ag-based alloy reflective film or semi-transmissive reflective film of an optical information recording medium having high reflectivity and excellent in the wet heat resistance and the light fastness. The invention relates to a reflective film or a semi-transmissive reflective film of an optical information recording medium comprising an Ag-based alloy comprising Hf in an amount of 0.05 to 0.8 atomic %.

摘要翻译： 本发明提供具有高反射率和优异的耐湿热性和耐光性的光学信息记录介质的Ag基合金反射膜或半透射反射膜。 本发明涉及一种光学信息记录介质的反射膜或半透射反射膜，其包括含有0.05至0.8原子％的Hf的Ag基合金。

公开(公告)号：US20090059764A1

公开(公告)日：2009-03-05

申请号：US12168474

申请日：2008-07-07

申请人： Hideo FUJII ,  Hironori Kakiuchi ,  Norihiro Jiko ,  Tomoya Kishi

发明人： Hideo FUJII ,  Hironori Kakiuchi ,  Norihiro Jiko ,  Tomoya Kishi

IPC分类号： G11B7/00

CPC分类号： G11B7/2433

摘要： Disclosed herein is an optical information recording medium and a recording film for the optical information recording medium, which are capable of readout of short recording marks at a higher C/N ratio than the conventional BD (as in the case of the Super-RENS disk) by means of the same readout power as for the conventional BD, which is lower than that for the Super-RENS disk (or the conventional BD). To be specific, the readout power is 0.3 mW, the short recording marks have a length of 149 nm, and the C/N ratio is no less than 45 dB.The recording film is capable of information recording and reading out to and from recording marks upon irradiation with a laser beam having a wavelength of 380-450 nm, the recording marks including short recording marks having a recording length no longer than 149 nm, and has a refractive index of 1.8-2.5 and an extinction coefficient of 2.3-2.9 both for a laser beam having a wavelength of 380-450 nm. The optical information recording medium is provided with the recording film.

摘要翻译： 本文公开了一种用于光学信息记录介质的光学信息记录介质和记录膜，其能够以比常规BD更高的C / N比读出短记录标记（如在Super-RENS盘的情况下 ）通过与传统BD相同的读出功率，低于Super-RENS盘（或传统BD）的读出功率。 具体而言，读出功率为0.3mW，短记录标记的长度为149nm，C / N比不小于45dB。 记录膜能够在用波长380-450nm的激光束照射时记录和读出记录标记，记录标记包括记录长度不超过149nm的短记录标记，并具有 对于具有380-450nm波长的激光束，折射率为1.8-2.5，消光系数为2.3-2.9。 光信息记录介质设置有记录膜。

公开(公告)号：US09459282B2

公开(公告)日：2016-10-04

申请号：US14123853

申请日：2012-06-15

申请人： Norihiro Jiko ,  Takayuki Hirano

发明人： Norihiro Jiko ,  Takayuki Hirano

IPC分类号： G01R1/067 ,  C23C14/02 ,  C23C14/06

CPC分类号： G01R1/067 ,  C23C14/025 ,  C23C14/0605 ,  G01R1/06738 ,  G01R1/06755

摘要： Provided is an electrical contact member which is capable of maintaining stable conductivity over a long period of time, while achieving low adhesion to a test subject, in particular, an electrical contact member which is capable of maintaining stable electrical contact over a long period of time by suppressing increase in the contact resistance, while achieving low adhesion to a test subject even after repeated contact at high temperatures around 85° C. or after being left in the atmosphere for a long period of time. The present invention relates to an electrical contact member, which repeatedly comes into contact with a test subject, and wherein the surface of the electrical contact member, said surface coming into contact with the test subject, is configured of a carbon coating film that contains Pd.

摘要翻译： 提供一种电接触构件，其能够在长时间内保持稳定的导电性，同时对测试对象，特别是能够长时间保持稳定的电接触的电接触构件实现低粘合性 通过抑制接触电阻的增加，即使在85℃左右的高温反复接触或长时间放置在大气中之后，也能够对试验对象实现低粘合性。 本发明涉及一种电接触构件，其与测试对象重复地接触，并且其中所述电接触构件与所述测试对象接触的所述表面的表面由碳涂层构成，其包含Pd 。

公开(公告)号：US20140091823A1

公开(公告)日：2014-04-03

申请号：US14123853

申请日：2012-06-15

申请人： Norihiro Jiko ,  Takayuki Hirano

发明人： Norihiro Jiko ,  Takayuki Hirano

IPC分类号： G01R1/067

CPC分类号： G01R1/067 ,  C23C14/025 ,  C23C14/0605 ,  G01R1/06738 ,  G01R1/06755

摘要： Provided is an electrical contact member which is capable of maintaining stable conductivity over a long period of time, while achieving low adhesion to a test subject, in particular, an electrical contact member which is capable of maintaining stable electrical contact over a long period of time by suppressing increase in the contact resistance, while achieving low adhesion to a test subject even after repeated contact at high temperatures around 85° C. or after being left in the atmosphere for a long period of time. The present invention relates to an electrical contact member, which repeatedly comes into contact with a test subject, and wherein the surface of the electrical contact member, said surface coming into contact with the test subject, is configured of a carbon coating film that contains Pd.

摘要翻译： 提供一种电接触构件，其能够在长时间内保持稳定的导电性，同时对测试对象，特别是能够长时间保持稳定的电接触的电接触构件实现低粘合性 通过抑制接触电阻的增加，即使在85℃左右的高温反复接触或长时间放置在大气中之后，也能够对试验对象实现低粘合性。 本发明涉及一种电接触构件，其与测试对象重复地接触，并且其中所述电接触构件与所述测试对象接触的所述表面的表面由碳涂层构成，其包含Pd 。

公开(公告)号：US08309195B2

公开(公告)日：2012-11-13

申请号：US12679170

申请日：2008-09-16

申请人： Norihiro Jiko ,  Junichi Nakai ,  Yuki Tauchi

发明人： Norihiro Jiko ,  Junichi Nakai ,  Yuki Tauchi

IPC分类号： B32B3/02

CPC分类号： G11B7/2585 ,  G11B7/24 ,  Y10T428/21

摘要： An optical information recording medium of the present invention is a read-only optical information recording medium in which at least one reflective film formed of an Al-based alloy and at least one light transmission layer are successively laminated on a substrate. The arithmetical mean roughness of the reflective film is 0.5 nm or less, and the thickness of the reflective film is 25 nm or more. The optical information recording medium of the present invention is the read-only optical information recording medium including the reflective film which has a high reflectivity and low jitter, preferably has excellent durability, and is used particularly appropriately in an optical disc using a blue laser such as BD-ROM or HD DVD-ROM.

摘要翻译： 本发明的光学信息记录介质是一种只读光学信息记录介质，其中由Al基合金和至少一个透光层形成的至少一个反射膜依次层压在基板上。 反射膜的算术平均粗糙度为0.5nm以下，反射膜的厚度为25nm以上。 本发明的光信息记录介质是包含具有高反射率和低抖动的反射膜的只读光学信息记录介质，优选具有优异的耐久性，并且特别适用于使用蓝色激光的光盘 作为BD-ROM或HD DVD-ROM。

公开(公告)号：US20100226240A1

公开(公告)日：2010-09-09

申请号：US12679170

申请日：2008-09-16

申请人： Norihiro Jiko ,  Junichi Nakai ,  Yuki Tauchi

发明人： Norihiro Jiko ,  Junichi Nakai ,  Yuki Tauchi

IPC分类号： G11B7/26

CPC分类号： G11B7/2585 ,  G11B7/24 ,  Y10T428/21

摘要： An optical information recording medium of the present invention is a read-only optical information recording medium in which at least one reflective film formed of an Al-based alloy and at least one light transmission layer are successively laminated on a substrate. The arithmetical mean roughness of the reflective film is 0.5 nm or less, and the thickness of the reflective film is 25 nm or more. The optical information recording medium of the present invention is the read-only optical information recording medium including the reflective film which has a high reflectivity and low jitter, preferably has excellent durability, and is used particularly appropriately in an optical disc using a blue laser such as BD-ROM or HD DVD-ROM.

摘要翻译： 本发明的光学信息记录介质是一种只读光学信息记录介质，其中由Al基合金和至少一个透光层形成的至少一个反射膜依次层压在基板上。 反射膜的算术平均粗糙度为0.5nm以下，反射膜的厚度为25nm以上。 本发明的光信息记录介质是包含具有高反射率和低抖动的反射膜的只读光学信息记录介质，优选具有优异的耐久性，并且特别适用于使用蓝色激光的光盘 作为BD-ROM或HD DVD-ROM。

公开(公告)号：US20090154331A1

公开(公告)日：2009-06-18

申请号：US12270313

申请日：2008-11-13

申请人： Hironori Kakiuchi ,  Hideo Fujii ,  Norihiro Jiko

发明人： Hironori Kakiuchi ,  Hideo Fujii ,  Norihiro Jiko

IPC分类号： G11B7/00

CPC分类号： G11B7/24079 ,  G11B7/00451

摘要： An optical recording medium of a pitting recording type, to which recording marks are formed by irradiation with a violet laser beam having a wavelength λ in the range of about 380 to about 450 nm, includes a substrate having a surface provided with guide grooves and lands, and a metal recording layer in which recording marks are formed by irradiation with a laser beam. The guide grooves and the lands meet conditions expressed by: λ/18≦DG≦λ/11   (1) 1.5≦WG/WL≦3.5   (2) Where λis the wavelength of the laser beam used for writing and reading, DG, is the depth of the grooves, WG is the width of the grooves, and WL is the width of lands formed on the substrate, and the wavelength λ is in the range of 380 to 450 nm.

摘要翻译： 点蚀记录类型的光记录介质，通过用波长λ在约380至约450nm范围内的紫色激光束照射而形成记录标记的光记录介质包括具有设置有引导槽和焊盘的表面的基板 以及通过照射激光而形成记录标记的金属记录层。 引导槽和焊盘满足条件：<？in-line-formula description =“In-line Formulas”end =“lead”？> lambda / 18 <= DG <= lambda / 11（1）<？in -line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> 1.5 <= WG / WL <= 3.5 （2）<？in-line-formula description =“在线公式”end =“tail”？>其中lambdais用于写入和读取的激光束的波长DG是凹槽的深度，WG是 槽的宽度，WL是形成在基板上的焊盘的宽度，波长λ在380〜450nm的范围内。