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1. 发明授权

US09025922B2 Optical fiber and method for manufacturing silica glass 有权
标题翻译：光纤及石英玻璃制造方法
公开(公告)号：US09025922B2
公开(公告)日：2015-05-05
申请号：US13403983
申请日：2012-02-24
申请人： Hiroshi Oyamada
发明人： Hiroshi Oyamada
IPC分类号： G02B6/02 , C03C25/60
CPC分类号： C03C25/607 , C03C2201/21 , C03C2201/22
摘要： A method for manufacturing deuterium-treated silica glass includes exposing silica glass to a deuterium-containing atmosphere for a predetermined period of time to diffuse deuterium molecules within the silica glass, maintaining the silica glass at 40° C. or higher, and cooling the silica glass to room temperature. The silica glass is a silica glass-based optical fiber having a core made of silica glass, where the core is positioned at a center of the optical fiber and contains at least germanium, and a clad made of silica glass, where the clad surrounds the core and has a lower refractive index than the core. A surface of the silica glass is covered with a resin coating.
摘要翻译：制备氘处理石英玻璃的方法包括将二氧化硅玻璃暴露于含氘气氛中一段预定的时间以将氘分子扩散到二氧化硅玻璃内，保持二氧化硅玻璃在40℃或更高，并冷却二氧化硅玻璃到室温。石英玻璃是具有由石英玻璃制成的芯的二氧化硅玻璃基光纤，其中芯位于光纤的中心并且至少包含锗，并且由石英玻璃制成的包层，其中包层围绕并具有比芯更低的折射率。石英玻璃的表面被树脂涂层覆盖。

2. 发明申请

US20120057834A1 Optical Fiber, Optical Fiber Preform and Method of Fabricating Same 审中-公开
标题翻译：光纤，光纤预制件及其制造方法
公开(公告)号：US20120057834A1
公开(公告)日：2012-03-08
申请号：US13226110
申请日：2011-09-06
申请人： Hiroshi Oyamada , Tetsuya Otosaka
发明人： Hiroshi Oyamada , Tetsuya Otosaka
IPC分类号： G02B6/036
CPC分类号： G02B6/028 , C03B37/01413 , C03B2201/12 , C03B2203/23 , G02B6/0365
摘要： An optical fiber capable of suppressing an increase of a transmission loss after exposure of the optical fiber to hydrogen or deuterium is provided. The optical fiber has a core region, an inner cladding region surrounding the core region, a trench region surrounding the inner cladding region, an outer cladding region surrounding the trench region, and a refractive index varying region arranged between the inner cladding region and the trench region, the refractive index varying region having a refractive index gradually increasing from the trench region to the inner cladding region.
摘要翻译：提供了一种能够抑制光纤暴露于氢或氘之后的传输损失增加的光纤。光纤具有芯区域，围绕芯区域的内包层区域，围绕内包层区域的沟槽区域，围绕沟槽区域的外包层区域和布置在内包层区域和沟槽之间的折射率变化区域区域，折射率变化区域具有从沟槽区域到内包层区域逐渐增加的折射率。

3. 发明授权

US07035514B2 Glass base material, optical fiber, method for manufacturing thereof, and method for determining cause of defect thereof 有权
公开(公告)号：US07035514B2
公开(公告)日：2006-04-25
申请号：US10116744
申请日：2002-04-05
申请人： Hiroshi Oyamada
发明人： Hiroshi Oyamada
IPC分类号： G02B6/16
CPC分类号： C03B37/01228 , C03B37/01225 , C03B37/01466 , C03B37/0253 , G01M11/3109 , G02B6/02
摘要： A glass base material, which is a base material of an optical fiber, comprising: a core; and a clad surrounding the core; wherein: a rate of change in a relative-refractive-index-difference between the core and the clad in a longitudinal direction of the glass base material is substantially 6% or less.

4. 发明申请

US20130085229A1 POLYAMIDE AND POLYAMIDE COMPOSITION 有权
标题翻译：聚酰胺和聚酰胺组合物
公开(公告)号：US20130085229A1
公开(公告)日：2013-04-04
申请号：US13702472
申请日：2011-06-10
申请人： Yukiyoshi Sasaki , Hiroshi Oyamada , Yasukazu Shikano
发明人： Yukiyoshi Sasaki , Hiroshi Oyamada , Yasukazu Shikano
IPC分类号： C08G69/26 , C08K7/14 , C08L77/06
CPC分类号： C08G69/265 , C08K3/013 , C08K7/14 , C08L77/06
摘要： [Problem to be Solved]A main object of the present invention is to provide a polyamide and a polyamide composition capable of rendering good surface appearance stability and outstanding impact resistance properties to a molded article even when molded under rigorous molding conditions.[Solution]The present invention is (A) a polyamide comprising (a) a unit comprising adipic acid and hexamethylenediamine and (b) a unit comprising isophthalic acid and hexamethylenediamine, wherein a ratio of the isophthalic acid component to the total carboxylic acid component in the polyamide is 0.05≦(x)≦0.5 and a range of blocking ratio (Y) is −0.3≦(Y)≦0.8. Also, the polyamide composition of the present invention contains 30 to 95% by mass of the above polyamide and 5 to 70% by mass of (B) an inorganic filler.
摘要翻译： [待解决的问题]本发明的主要目的是提供即使在严格成型条件下成型时也能够赋予模制品良好的表面外观稳定性和优异的耐冲击性的聚酰胺和聚酰胺组合物。本发明是（A）包含（a）包含己二酸和六亚甲基二胺的单元的聚酰胺和（b）包含间苯二甲酸和六亚甲基二胺的单元，其中间苯二甲酸组分与总羧酸组分的比例聚酰胺为0.05＆lt; nlE;（x）＆nlE; 0.5，并且阻挡比（Y）的范围为-0.3＆lt; nlE;（Y）＆nlE; 0.8。此外，本发明的聚酰胺组合物含有上述聚酰胺30〜95质量％，（B）无机填料5〜70质量％。

5. 发明授权

US08135255B2 Optical fiber 有权
标题翻译：光纤
公开(公告)号：US08135255B2
公开(公告)日：2012-03-13
申请号：US12782487
申请日：2010-05-18
申请人： Hiroshi Oyamada , Yuhei Urata
发明人： Hiroshi Oyamada , Yuhei Urata
IPC分类号： G02B6/036
CPC分类号： G02B6/0281 , G02B6/03627
摘要： Provided is an optical fiber including: a core at a center thereof; a first cladding adjacent to the core to cover a circumference of the core; and a second cladding adjacent to the first cladding to cover a circumference of the first cladding, where 0.35%≦(Δ1−Δ2)≦0.65%, 0.30%≦Δ1≦0.55%, −0.20%≦Δ2≦−0.05%, 0.22≦a/b≦0.34, and 4≦b√|Δ2|≦10 hold, and loss increase resulting when the optical fiber is wound on a mandrel having a diameter of 20 mm is 0.5 dB/turn or smaller at a wavelength of 1550 nm, where Δ1(%) is a specific refractive index difference of a maximum of a refractive index distribution of the core with reference to a refractive index of the second cladding, Δ2(%) is a specific refractive index difference of a minimum of a refractive index distribution of the first cladding with reference to the refractive index of the second cladding, a(μm) is a radius of a boundary between the core and the first cladding with respect to a center of the core, and b(μm) is a radius of a boundary between the first cladding and the second cladding with respect to the center of the core.
摘要翻译：本发明提供一种光纤，包括：中心的芯; 邻近所述芯以覆盖所述芯的圆周的第一包层; 与第一包层相邻以覆盖第一包层的圆周的第二包层，其中0.35％＆lt;（I Dgr; 1＆Dgr; 2）＆nlE; 0.65％，0.30％＆nlE;＆Dgr; 1＆nlE; 0.55％，-0.20 ％＆nlE;＆Dgr; 2＆nlE; -0.05％，0.22＆nlE; a / b＆nlE; 0.34和4＆nlE;b√|＆Dgr; 2 |＆nlE; 10保持，当光纤缠绕在具有 20mm的直径在1550nm的波长处为0.5dB /匝或更小，其中＆Dgr; 1（％）是芯的折射率分布的最大值的折射率差，相对于第二包层＆Dgr; 2（％）是第一包层的折射率分布的最小值与第二包层的折射率的比折射率差，a（μm）是第二包层的折射率分布的半径芯和第一包层相对于芯的中心，并且b（μm）是第一包层和第二包层之间的边界的相对于核心的中心。

6. 发明申请

US20080068594A1 Method for measuring non-circularity at core portion of optical fiber parent material 有权
标题翻译：测量光纤母材核心部分非圆度的方法
公开(公告)号：US20080068594A1
公开(公告)日：2008-03-20
申请号：US11892276
申请日：2007-08-21
申请人： Yuuji Tobisaka , Tetsuya Otosaka , Hiroshi Oyamada
发明人： Yuuji Tobisaka , Tetsuya Otosaka , Hiroshi Oyamada
IPC分类号： G01B11/10
CPC分类号： G01B11/105 , G02B6/02285
摘要： A method for measuring non-circularity of a core portion of an optical fiber base material includes a distribution measuring step of (i) moving the optical fiber base material in a direction parallel to a central axis of the core portion while light is irradiated, in a direction perpendicular to the central axis, to the optical fiber base material which is immersed in the matching oil, and (ii) recording a variation in a width of a portion of the irradiated light which transmits through the core portion in association with a moved distance of the optical fiber base material, thereby measuring a distribution of relative values of an outer diameter of the core portion in terms of a longitudinal direction of the optical fiber base material, a distribution storing step of performing the distribution measuring step each time the optical fiber base material is rotated about the central axis by a predetermined angle, thereby recording a plurality of distributions of the relative values of the outer diameter of the core portion each of which is associated with the predetermined angle, and a non-circularity calculating step of calculating a plurality of values, in terms of the longitudinal direction of the optical fiber base material, each indicating non-circularity of the core portion, based on the plurality of distributions of the relative values of the outer diameter stored in the distribution storing step.
摘要翻译：用于测量光纤基材的芯部的非圆度的方法包括：分布测量步骤，（i）在照射光的同时使光纤基材在与芯部的中心轴平行的方向上移动，垂直于中心轴的方向连接到浸入匹配油中的光纤基材，和（ii）记录透过核心部分的照射光的一部分的宽度变化与移动的光纤基材的距离，从而测量芯部的外径与光纤基材的长度方向的相对值的分布，分配存储步骤，每当光学基材纤维基材围绕中心轴旋转预定角度，从而记录多个相对值的分布芯部的外径与预定角度相关联的非圆度计算步骤，在光纤基材的长度方向上计算多个值，其中，基于存储在分配存储步骤中的外径的相对值的多个分布。

7. 发明申请

US20070230890A1 Packaging method of optical fiber and optical fiber 审中-公开
标题翻译：光纤和光纤的封装方法
公开(公告)号：US20070230890A1
公开(公告)日：2007-10-04
申请号：US11639132
申请日：2006-12-15
申请人： Hiroshi Oyamada , Dai Inoue
发明人： Hiroshi Oyamada , Dai Inoue
IPC分类号： G02B6/00
CPC分类号： C03C25/64 , B65D81/2092 , C03C25/607 , G02B6/444 , G02B6/4457
摘要： There is provided a packaging method of an optical fiber capable of performing a heavy hydrogen treatment during packing and storing easily and at low cost without a conventional grand processing apparatus. The packaging method includes: receiving an optical fiber 1 wound on an optical fiber bobbin 5 within a packing material 2 having flexibility to seal an opening part, sealing up the packing material 2 after introducing heavy hydrogen, and performing a heavy hydrogen treatment on the optical fiber 1 in a mixed gas atmosphere containing heavy hydrogen and air during storing and transporting the optical fiber 1. At this time, concentration of heavy hydrogen within the packing material 2 just after enclosing heavy hydrogen is within a range of 0.5 ppm to 4%. The opening part 3 of the packing material 2 may be sealed with heat or an adhesive after receiving the optical fiber 1, or may be sealed with a zipper. Moreover, the introduction of heavy hydrogen may be performed from the remained opening part 3 after sealing the opening part as a part of the opening part remains, or may be performed from an opening part having a self-sealed check valve 6 provided in the packing material 2.
摘要翻译：提供了一种光纤的包装方法，其能够在没有传统的盛装处理装置的情况下容易地且低成本地进行包装和存储时进行重氢处理。该包装方法包括：在具有柔性密封开口部分的包装材料2内的光纤绕线筒5上接收光纤1，在引入重氢之后密封包装材料2，并在光学器件上进行重氢处理纤维1在储存和输送光纤1的过程中含有重氢和空气的混合气体气氛中。此时，刚刚封闭重氢后的包装材料2内的重氢浓度在0.5ppm至4％的范围内。包装材料2的开口部分3可以在接收光纤1之后用热或粘合剂密封，或者可以用拉链密封。另外，由于作为开口部的一部分残留的密封开口部之后，可以从保持开口部3进行重氢的引入，也可以由设置在包装中的具有自密封止回阀6的开口部进行材料2。

8. 发明申请

US20050147367A1 Method for manufacturing base material for optical fiber, apparatus therefor, and base material manufactured by the same 审中-公开
标题翻译：光纤基材的制造方法及其制造方法以及由其制造的基材
公开(公告)号：US20050147367A1
公开(公告)日：2005-07-07
申请号：US10934473
申请日：2004-09-07
申请人： Tadakatsu Shimada , Dai Inoue , Hiroshi Oyamada , Kazuhisa Hatayama , Hiroshi Machida , Tetsuya Otosaka , Fumio Saitoh , Yasuhiro Nakashima , Takeshi Kamio , Masami Terashima , Isao Arisaka , Soichiro Kemmochi , Hideo Hirasawa
发明人： Tadakatsu Shimada , Dai Inoue , Hiroshi Oyamada , Kazuhisa Hatayama , Hiroshi Machida , Tetsuya Otosaka , Fumio Saitoh , Yasuhiro Nakashima , Takeshi Kamio , Masami Terashima , Isao Arisaka , Soichiro Kemmochi , Hideo Hirasawa
IPC分类号： C03B37/012 , C03B37/014 , C03C15/00 , C03C25/68 , G02B6/02
CPC分类号： C03B37/01228 , C03B37/01446 , C03B37/01466 , C03B37/01486 , C03C15/00 , C03C25/68
摘要： A method for manufacturing a base material for an optical fiber, includes steps of: holding a bar material by a support member; and adjusting to reduce a difference between an axis of the bar material and a rotational axis of the support member. Furthermore, an optical fiber base material grasping apparatus for holding a bar material having an axis, includes: a support member having a center axis, the support member being rotatable around the center axis; and an adjusting mechanism for reducing a difference between the axis of the bar material and the central axis of the support member.
摘要翻译：一种制造光纤用基材的方法，包括以下步骤：通过支撑部件保持棒材; 并且调节以减小所述条形材料的轴线和所述支撑构件的旋转轴线之间的差异。此外，用于保持具有轴线的棒材的光纤基材抓持装置包括：具有中心轴线的支撑构件，所述支撑构件能够围绕中心轴线旋转; 以及用于减小棒材的轴线与支撑构件的中心轴线之间的差异的调节机构。

9. 发明申请

US20100296783A1 OPTICAL FIBER 有权
标题翻译：光纤
公开(公告)号：US20100296783A1
公开(公告)日：2010-11-25
申请号：US12782459
申请日：2010-05-18
申请人： Hiroshi OYAMADA
发明人： Hiroshi OYAMADA
IPC分类号： G02B6/036
CPC分类号： G02B6/0365 , G02B6/02014 , G02B6/02266
摘要： Provided is an optical fiber including: a first core at a center thereof; a second core adjacent to the first core to cover a circumference of the first core; a third core adjacent to the second core to cover a circumference of the second core; and a cladding adjacent to the third core to cover a circumference of the third core, where conditions of 0.28%≦Δ1≦0.4%, −0.05%≦Δ2≦0.05%, −1.0%≦Δ3≦−0.5%, 3.8 μm≦a≦4.5 μm, 12 μm≦b≦21 μm, and 1.5 μm≦c-b≦10 μm hold, and loss increase resulting when the optical fiber is wound on a mandrel having a diameter of 20 mm is 0.1 dB/turn or smaller at a wavelength of 1625 nm, where Δ1 is a specific refractive index difference of the first core from the cladding refractive index, Δ2 is a specific refractive index difference of the second core from the cladding refractive index, Δ3 is a specific refractive index difference of the third core from the cladding refractive index, “a” is a radius of a boundary between the first core and the second core with respect to a center of the first core, “b” is a radius of a boundary between the second core and the third core with respect to the center of the first core, and “c” is a radius of a boundary between the third core and the cladding with respect to the center of the first core.
摘要翻译：提供一种光纤，包括：第一芯在其中心; 与所述第一芯相邻的第二芯，以覆盖所述第一芯的圆周; 与所述第二芯相邻的第三芯，以覆盖所述第二芯的圆周; 和覆盖第三芯的圆周的包层，其中条件为0.28％＆lt; 1; nlE; 0.4％，-0.05％＆nlE;＆Dgr; 2＆nlE; 0.05％，-1.0％＆nlE;＆Dgr; 3和nlE; -0.5％，3.8μm＆nlE; a＆nlE;4.5μm，12μm＆nlE; b＆nlE;21μm和1.5μm＆nlE; c-b＆nlE;10μm保持，以及当光纤缠绕在具有直径 20nm的波长在1625nm处为0.1dB /圈或更小，其中＆Dgr; 1是第一纤芯与包层折射率的比折射率差，Dgr; 2是第二纤芯的比折射率差从包层折射率，＆Dgr; 3是第三纤芯与包层折射率的比折射率差，“a”是第一纤芯与第二纤芯之间的边界相对于第一纤芯的中心的半径芯“b”是相对于第一芯的中心的第二芯和第三芯之间的边界的半径， nd“c”是相对于第一芯的中心的第三芯和包层之间的边界的半径。

10. 发明申请

US20090302272A1 POLYAMIDE COMPOSITION 有权
标题翻译：聚酰胺组合物
公开(公告)号：US20090302272A1
公开(公告)日：2009-12-10
申请号：US12307134
申请日：2006-07-18
申请人： Norio Sakata , Hiroshi Oyamada , Masaaki Aramaki
发明人： Norio Sakata , Hiroshi Oyamada , Masaaki Aramaki
IPC分类号： C09K19/06
CPC分类号： C08L67/02 , C08L67/00 , C08L77/00 , C08L2205/03 , Y10T428/10 , C08L2666/14 , C08L2666/18
摘要： The present invention can provide a polyamide composition that is more excellent in the heat resistance and tensile elongation of molded products and also more excellent in a balance between these properties than those given by conventional polyamide compositions. The present invention relates to a polyamide composition comprising polyamide, liquid-crystalline polyester, and non-liquid-crystalline polyester, characterized in that Ma part by mass of the polyamide, Mb part by mass of the liquid-crystalline polyester, and Mc part by mass of the non-liquid-crystalline polyester with respect to 100 parts by mass in total of the polyamide, the liquid-crystalline polyester, and the non-liquid-crystalline polyester satisfy the following formulas: 60≦Ma≦90, 2≦Mb≦38, and 2≦Mc≦Ma×0.2−2.
摘要翻译：本发明可以提供一种聚酰胺组合物，其在成型制品的耐热性和拉伸伸长率方面更优异，并且在这些性能之间的平衡方面优于常规聚酰胺组合物。本发明涉及包含聚酰胺，液晶聚酯和非液晶聚酯的聚酰胺组合物，其特征在于，将MA质量份的聚酰胺，Mb质量份的液晶聚酯和Mc部分按相对于聚酰胺，液晶聚酯和非液晶聚酯的总共100质量份，非液晶聚酯的质量满足下式：60 <= Ma <= 90,2 <= Mb <= 38，2 <= Mc <= Max.2-2。

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