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31. 发明授权

US07748910B2 Optical system and method of manufacturing the same 失效
标题翻译：光学系统及其制造方法
公开(公告)号：US07748910B2
公开(公告)日：2010-07-06
申请号：US12224486
申请日：2007-02-27
申请人： Rei Yamamoto , Toshihiro Kuroda
发明人： Rei Yamamoto , Toshihiro Kuroda
IPC分类号： G02B6/36 , G02B6/26 , G02B6/30
CPC分类号： G02B6/3652 , G02B6/29368 , G02B6/32 , G02B6/3636 , G02B6/3696
摘要： An optical system comprising a substrate and an optical waveguide which is formed on the substrate and to which optical fibers are optically coupled. The optical waveguide has a plurality of straight core portions which obliquely intersect each other. The substrate has positioning sections for positioning a plurality of optical fibers optically coupled to two or more of the plurality of the core portions, the positioning sections having grooves on which the respective optical fibers are supported. When the plurality of optical fibers are supported on the respective grooves, offsets between centers of the plurality of the core portions and respective centers of the plurality of the optical fibers coupled to the core portions are equal to or less than 5 μm.
摘要翻译：一种光学系统，包括衬底和光波导，所述光波导形成在所述衬底上，所述光纤被光学耦合。光波导具有多个相互倾斜地相交的直芯部。基板具有定位部分，用于定位与多个芯部中的两个或多个光学耦合的多个光纤，定位部分具有支撑相应光纤的槽。当多个光纤被支撑在各个沟槽上时，多个芯部的中心之间的偏移和耦合到芯部的多个光纤的相应中心之间的偏移等于或小于5μm。

32. 发明申请

US20080137516A1 OPTICAL PICKUP DEVICE 失效
标题翻译：光学拾取器件
公开(公告)号：US20080137516A1
公开(公告)日：2008-06-12
申请号：US11941488
申请日：2007-11-16
申请人： Shinichi HAMAGUCHI , Yuzo SHIMIZU , Daisuke FURUKAWA , Naoto SHIMADA , Toshihiro KURODA , Toyonori KUSUHARA , Hiroaki YAMAMOTO
发明人： Shinichi HAMAGUCHI , Yuzo SHIMIZU , Daisuke FURUKAWA , Naoto SHIMADA , Toshihiro KURODA , Toyonori KUSUHARA , Hiroaki YAMAMOTO
IPC分类号： G11B7/135
CPC分类号： G11B7/1353 , G11B7/1275 , G11B7/1381 , G11B2007/0006
摘要： The optical pickup device according to the present invention includes: a light source which emits a first light at a first wavelength, a second light at a second wavelength and a third light at a third wavelength; an optical path combining unit which combines vectors of the first, second and third light emitted by the light source, and matches optical axes of the first light and the third light; a light collection unit which condenses the light from the optical path combining unit into the optical information storage medium; a diffraction element which diffracts reflected light from the optical information storage medium; a first photo detector, a second photo detector and a third photo detector which receives the diffracted light from the first diffraction element; and a prevention unit formed between the first diffraction element and the first photo detector, the second photo detector and the third photo detector, and which prevents irradiation of + first-order diffracted light diffracted by the first diffraction element into the first photo detector, the second photo detector, and the third photo detector.
摘要翻译：根据本发明的光拾取装置包括：发射第一波长的第一光，第二波长的第二光和第三波长的第三光的光源; 光路组合单元，其组合由所述光源发射的所述第一，第二和第三光的矢量，并且匹配所述第一光和所述第三光的光轴; 光收集单元，其将来自光路组合单元的光聚合到光信息存储介质中; 衍射元件，其衍射来自光学信息存储介质的反射光; 第一光检测器，第二光检测器和第三光检测器，其接收来自第一衍射元件的衍射光; 以及防止单元，形成在第一衍射元件和第一光电检测器，第二光电检测器和第三光电检测器之间，并且防止第一衍射元件衍射的+一级衍射光照射到第一光检测器中，第二光检测器和第三光检测器。

33. 发明授权

US07200313B2 Method for the preparation of optical waveguide devices and optical waveguide devices 失效
标题翻译：光波导器件和光波导器件的制备方法
公开(公告)号：US07200313B2
公开(公告)日：2007-04-03
申请号：US10872553
申请日：2004-06-22
申请人： Toshihiro Kuroda , Madoka Kondou
发明人： Toshihiro Kuroda , Madoka Kondou
IPC分类号： G02B6/10 , G02B6/00 , B29D11/00
CPC分类号： G02B6/138 , G02B6/1221
摘要： A method for the preparation of an optical waveguide device characterized in that it comprises a first step for forming a first resin film on a substrate provided thereon with a lower clad layer; a second step for patterning the first resin film into a shape of an optical waveguide to thus form a core layer; a third step for forming a second resin film by coating the surfaces of the lower clad layer and the core layer with a solution containing a material for forming the second resin film according to the spin-coating method in such a manner that the thickness of the resulting film as measured from the upper surface of the lower clad layer and as determined after drying ranges from 3 to 10 times the thickness of the core layer and then drying the coated layer; and a fourth step for removing the second resin film in such a manner that the thickness of the second resin film as determined from the upper surface of the lower clad layer is less than 3 times that of the core layer and that the second resin film thus serves as the upper clad layer; and characterized in that in the third step, a means for controlling the evaporation rate of the solvent in the solution containing the material for forming the second resin film is provided. The method permits the production of an optical waveguide device made of a resin, which is free of air bubbles at the branched portion of the waveguide device, the air bubbles being adversely affecting the transmission efficiency of the optical waveguide.
摘要翻译：一种制备光波导器件的方法，其特征在于它包括用于在其上设置有下覆盖层的基底上形成第一树脂膜的第一步骤; 将第一树脂膜图案化成光波导形状从而形成芯层的第二步骤; 第三步骤，通过用包含用于形成第二树脂膜的材料的溶液根据旋涂方法涂覆下包层和芯层的表面来形成第二树脂膜，使得厚度为从下覆盖层的上表面测定并且干燥后测定的所得膜的范围为芯层厚度的3〜10倍，然后干燥涂层; 以及第四步骤，用于除去第二树脂膜，使得从下包层的上表面确定的第二树脂膜的厚度小于芯层的3倍，并且因此第二树脂膜的厚度用作上覆层; 并且其特征在于，在第三步骤中，提供了一种用于控制含有用于形成第二树脂膜的材料的溶液中的溶剂的蒸发速率的装置。该方法允许制造由在波导装置的分支部分没有气泡的树脂制成的光波导装置，气泡不利地影响光波导的传输效率。

34. 发明申请

US20110262091A1 OPTICAL WAVEGUIDE 失效
标题翻译：光波导
公开(公告)号：US20110262091A1
公开(公告)日：2011-10-27
申请号：US13119800
申请日：2009-09-18
申请人： Toshihiko Takasaki , Masatoshi Yamaguchi , Toshihiro Kuroda , Tatsuya Makino , Masami Ochiai , Atsushi Takahashi
发明人： Toshihiko Takasaki , Masatoshi Yamaguchi , Toshihiro Kuroda , Tatsuya Makino , Masami Ochiai , Atsushi Takahashi
IPC分类号： G02B6/10
CPC分类号： G02B6/1221 , B29D11/00663 , B29D11/00673 , B29L2011/0075 , G02B6/122 , G02B6/125 , G02B2006/12097
摘要： An optical waveguide contains a lower cladding layer, a patterned core layer, an upper cladding layer and an upper low elasticity layer, which are laminated in this order, in which a film formed by curing a resin composition for forming the upper low elasticity layer has a tensile elastic modulus of from 1 to 2,000 MPa at 25° C., and a cured film having a thickness of 110 μm formed by curing a resin composition for forming the upper cladding layer has a total light transmittance of 90% or more.— An optical waveguide that has good flexural resistance and good optical characteristics can be provided.
摘要翻译：光波导包含依次层叠的下包层，图案化芯层，上覆层和上低弹性层，其中通过固化形成上部低弹性层的树脂组合物形成的膜具有在25℃下的拉伸弹性模量为1〜2000MPa，通过固化形成上部包层的树脂组合物而形成的厚度为110μm的固化膜的总透光率为90％以上。可以提供具有良好的抗弯曲性和良好的光学特性的光波导。

35. 发明授权

US07639904B2 Optical device 失效
标题翻译：光学装置
公开(公告)号：US07639904B2
公开(公告)日：2009-12-29
申请号：US12122062
申请日：2008-05-16
申请人： Toshihiro Kuroda , Rei Yamamoto , Shigeyuki Yagi
发明人： Toshihiro Kuroda , Rei Yamamoto , Shigeyuki Yagi
IPC分类号： G02B6/12
CPC分类号： G02B6/29361 , G02B6/12007 , G02B6/29368 , G02B6/30 , G02B2006/12109
摘要： An optical device is provided to prevent a dicing blade form being clogged when a wafer is cut by means thereof. Further, an optical device is provided to the present invention can prevent unnecessary expansion of a resin used in the optical device. The present invention relates an optical device having a substrate and an optical waveguide layer laminated thereon. The optical waveguide layer has a first lateral surface connected to an optical fiber or an optical fiber array and a second lateral surface not connected to the same. The substrate has a lateral surface disposed on the same side as that of the second lateral surface of the optical waveguide layer. At least a portion of the second lateral surface of the optical waveguide layer is disposed in a plane different from the lateral surface of the substrate so that an exposed area of the substrate is formed between the second lateral surface of the optical waveguide layer and the lateral surface of the substrate.
摘要翻译：提供了一种光学装置，用于防止当晶片被切割时切割刀片形状被堵塞。此外，本发明提供的光学装置可以防止光学装置中使用的树脂的不必要的膨胀。本发明涉及一种具有衬底和光波导层的光学器件。光波导层具有连接到光纤或光纤阵列的第一侧表面和与其不连接的第二侧表面。基板具有设置在与光波导层的第二侧表面相同侧的侧表面。光波导层的第二侧表面的至少一部分设置在与衬底的侧表面不同的平面中，使得衬底的暴露区域形成在光波导层的第二侧表面与侧向基板的表面。

36. 发明授权

US07613097B2 Optical pickup apparatus with bilaterally divided light beams 失效
标题翻译：具有双向分割光束的光学拾取装置
公开(公告)号：US07613097B2
公开(公告)日：2009-11-03
申请号：US11275701
申请日：2006-01-25
申请人： Hideyuki Nakanishi , Toshihiro Kuroda , Kazumasa Nagano , Daisuke Furukawa
发明人： Hideyuki Nakanishi , Toshihiro Kuroda , Kazumasa Nagano , Daisuke Furukawa
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/123 , G11B7/1275 , G11B2007/0006
摘要： An optical pickup apparatus which carries out recording/reproduction or deletion of information on an optical disc, including a semiconductor laser device in which at least two light sources are integrated, and a hologram optical element which has a plurality of outgoing light areas that divide light reflected from the optical disc, each light being emitted from the semiconductor laser device; the hologram optical element has division lines which divide the outgoing light areas at a position intersecting with each optical axis of the reflected light. The optical pickup apparatus is able to detect a signal corresponding to a light beam divided almost equally in two, even when any one of the plurality of light sources are operating.
摘要翻译：一种光拾取装置，其在包括半导体激光装置的光盘上执行信息的记录/再现或删除，其中至少两个光源被集成在一起;以及全息光学元件，其具有多个分开光的出射光区域从光盘反射，每个光从半导体激光装置发射; 全息光学元件具有在与反射光的每个光轴相交的位置处分开出射光区域的划分线。即使当多个光源中的任何一个正在操作时，光学拾取装置能够检测对应于几乎二等分的光束的信号。

37. 发明授权

US07492995B2 Optical element combination structure and optical fiber structure 失效
标题翻译：光学元件组合结构和光纤结构
公开(公告)号：US07492995B2
公开(公告)日：2009-02-17
申请号：US11529490
申请日：2006-09-29
申请人： Toshihiro Kuroda , Shigeyuki Yagi , Naoya Suzuki
发明人： Toshihiro Kuroda , Shigeyuki Yagi , Naoya Suzuki
IPC分类号： G02B6/30
CPC分类号： G02B6/3636 , G02B6/30 , G02B6/3652 , G02B6/3692
摘要： An optical element combination structure in which an optical fiber and an optical waveguide are combined with each other and which can reduce fluctuation of coupling loss due to a change in environmental temperature is provided. The present invention relates to an optical element combination structure in which an optical fiber and an optical waveguide are combined with each other. An optical element combination structure according to the present invention 1 comprises an optical fiber 2 and a substrate 6 on which an optical waveguide 4 is formed. The substrate 6 has a V-shaped cross-sectional groove 8 formed so that the optical fiber and the optical waveguide are aligned with each other, and a recess 10 formed on a waveguide side relative to the groove 8. The optical fiber is secured to the V-shaped cross-sectional groove 8 with an adhesive 22. A tip 18 of the optical fiber 2 protruding into the recess 10 and the optical waveguide 4 are coupled to each other with a coupling agent with which the recess and a space between the optical fiber and the optical waveguide are filled.
摘要翻译：提供了光学元件组合结构，其中光纤和光波导彼此组合并且可以减少由于环境温度的变化引起的耦合损耗的波动。本发明涉及一种光学元件组合结构，其中光纤和光波导彼此组合。根据本发明的光学元件组合结构1包括光纤2和形成有光波导4的基板6。基板6具有形成为使得光纤和光波导彼此对准的V形横截面槽8以及相对于槽8形成在波导侧的凹部10.光纤被固定到具有粘合剂22的V形横截面凹槽8.突出到凹槽10和光波导4中的光纤2的尖端18通过耦合剂彼此耦合，凹槽和凹槽之间的空间光纤和光波导被填充。

38. 发明授权

US07139460B2 Optical element, method of producing optical elements, coating device, and coating method 有权
标题翻译：光学元件，光学元件的制造方法，涂布装置和涂布方法
公开(公告)号：US07139460B2
公开(公告)日：2006-11-21
申请号：US10479150
申请日：2002-05-30
申请人： Toshihiro Kuroda , Madoka Kondou , Atsushi Yoshino , Nobuo Miyadera
发明人： Toshihiro Kuroda , Madoka Kondou , Atsushi Yoshino , Nobuo Miyadera
IPC分类号： G02B6/10
CPC分类号： G02B6/4204 , G02B6/132 , G02B6/138 , G02B6/30 , G02B6/4202 , G02B2006/121
摘要： A method of producing optical elements using a substrate having a recess, which is capable of easily removing a film in the recess, and optical elements formed. The optical element comprises a substrate 1, an optical waveguide structure layer 10 of resin disposed in a part of the region on the substrate 1, and a recess 21 formed in the region where the optical waveguide structure layer 10 is not disposed. The optical waveguide structure layer 10 includes an optical waveguide 4 and a clad layer. A coupler layer is disposed between the substrate 1 and the optical waveguide structure layer 10, and the film thickness distribution range of the coupler layer in the region below the optical waveguide 4 is such that the minimum film thickness is not more than 30 angstroms and the maximum film thickness is not less than 20 angstroms.
摘要翻译：使用能够容易地除去凹部中的膜的具有凹部的基板和形成的光学元件来制造光学元件的方法。光学元件包括基板1，设置在基板1上的区域的一部分中的树脂的光波导结构层10以及未设置光波导结构层10的区域中形成的凹部21。光波导结构层10包括光波导4和覆层。耦合器层设置在基板1和光波导结构层10之间，耦合层在光波导4下方的膜厚分布范围使得最小膜厚不大于30埃，最大膜厚不小于20埃。

39. 发明申请

US20060215964A1 Optical element combination structure 审中-公开
标题翻译：光学元件组合结构
公开(公告)号：US20060215964A1
公开(公告)日：2006-09-28
申请号：US11442348
申请日：2006-05-30
申请人： Toshihiro Kuroda , Shigeyuki Yagi
发明人： Toshihiro Kuroda , Shigeyuki Yagi
IPC分类号： G02B6/30
CPC分类号： G02B6/30
摘要： An optical element combination structure 1 according to the present invention comprises an optical fiber 2 extending in a direction of an optical axis 1a, an optical waveguide 4 being aligned with the fiber 2 in a direction of the optical axes 1a and having an end surface 18 facing an end surface 12 of the fiber, and a substrate 6 coupled with the fiber 2 and the waveguide 4. The end surface 12 of the fiber 2 is formed perpendicular to the optical axis 1a, and the end surface 18 of the waveguide 4 is inclined relative to a surface perpendicular to the optical axis 1a. A value of refractive index of a core 12 of the fiber 2 is different from that of refractive index of a core 14 of the waveguide 4. A gap 30 between the fiber end surface 12 and the waveguide end surface 14 is filled with a filler 32 having substantially the same value of refractive index as that of refractive index of the fiber core 8.
摘要翻译：根据本发明的光学元件组合结构1包括在光轴1a的方向上延伸的光纤2，在光轴1a的方向上与光纤2对准的光波导4，并且具有端部表面18面向纤维的端面12，以及与纤维2和波导4连接的基底6。光纤2的端面12垂直于光轴1a形成，波导4的端面18相对于垂直于光轴1a的表面倾斜。纤维2的纤芯12的折射率的值与波导4的芯14的折射率的折射率的值不同。纤维端面12与波导端面14之间的间隙30填充有与纤维芯8的折射率基本相同的折射率值的填料32。

40. 发明申请

US20060164952A1 OPTICAL PICKUP APPARATUS 失效
公开(公告)号：US20060164952A1
公开(公告)日：2006-07-27
申请号：US11275701
申请日：2006-01-25
申请人： Hideyuki NAKANISHI , Toshihiro KURODA , Kazumasa NAGANO , Daisuke FURUKAWA
发明人： Hideyuki NAKANISHI , Toshihiro KURODA , Kazumasa NAGANO , Daisuke FURUKAWA
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/123 , G11B7/1275 , G11B2007/0006
摘要： An optical pickup apparatus which carries out recording/reproduction or deletion of information on an optical disc, including a semiconductor laser device in which at least two light sources are integrated, and a hologram optical element which has a plurality of outgoing light areas that divide light reflected from the optical disc, each light being emitted from the semiconductor laser device; the hologram optical element has division lines which divide the outgoing light areas at a position intersecting with each optical axis of the reflected light. The optical pickup apparatus is able to detect a signal corresponding to a light beam divided almost equally in two, even when any one of the plurality of light sources are operating.
摘要翻译：一种光拾取装置，其在包括半导体激光装置的光盘上执行信息的记录/再现或删除，其中至少两个光源被集成在一起;以及全息光学元件，其具有多个分开光的出射光区域从光盘反射，每个光从半导体激光装置发射; 全息光学元件具有在与反射光的每个光轴相交的位置处分开出射光区域的划分线。即使当多个光源中的任何一个正在操作时，光学拾取装置能够检测对应于几乎二等分的光束的信号。

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