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    • 1. 发明授权
    • Glass composition, optical fiber made of same, and method for preparing
glasses
    • 玻璃组合物,由其制成的光纤以及制备眼镜的方法
    • US5655046A
    • 1997-08-05
    • US570769
    • 1995-12-12
    • Shin-ichi TodorokiShigeki Sakaguchi
    • Shin-ichi TodorokiShigeki Sakaguchi
    • C03C13/04G02B6/02G02B6/10G02B6/00
    • C03C13/046G02B6/02G02B6/102
    • A glass composition comprises an oxyfluoride glass comprising silicon, a divalent metal, a monovalent metal, oxygen, and fluorine, satisfying requirements: (1) the silicon is present in an amount of 40% or more and 75% or less based on total number of cations; (2) the divalent metal is present in an amount of 30% or less based on total number of cations; (3) the monovalent metal is present in an amount of 18% ore more and 60% or less based on total number of cations; and (4) the fluorine is present in an amount of below 20% based on total amount of anions. An optical fiber comprises a clad made of the glass composition and a core made of a silicate glass comprising silicon dioxide, a divalent metal compound, and a monovalent metal compound in which (9) the clad glass contains more SiO.sub.2 than the core or (10) the clad glass contains fluoride(s) of the divalent metal and/or the monovalent metal.
    • 玻璃组合物包含含有硅,二​​价金属,一价金属,氧和氟的氟氧化物玻璃,满足要求:(1)基于总数,硅的含量为40%以上且75%以下 的阳离子; (2)二价金属以基于阳离子总数的30%以下的量存在; (3)基于阳离子总数,单价金属的存在量为18%以上,60%以下。 和(4)基于阴离子的总量,氟以低于20%的量存在。 光纤包括由玻璃组合物制成的包层和由包含二氧化硅,二价金属化合物和一价金属化合物的硅酸盐玻璃制成的芯,其中(9)包覆玻璃含有比芯更多的SiO 2或(10 )复合玻璃中含有二价金属和/或一价金属的氟化物。
    • 3. 发明申请
    • Multichannel optical path changing device and its production method
    • 多通道光路改变装置及其制作方法
    • US20070140636A1
    • 2007-06-21
    • US10575564
    • 2004-10-13
    • Toru TanakaHidehisa NanaiYuji YamamotoMotoyasu NishimuraShigeki Sakaguchi
    • Toru TanakaHidehisa NanaiYuji YamamotoMotoyasu NishimuraShigeki Sakaguchi
    • G02B6/10
    • G02B6/122G02B6/12002G02B6/125G02B2006/12176
    • The present invention relates to a multichannel optical path changing device that is constituted of resin optical waveguides and mirrors and that changes a direction of an optical path. This device has monolithically formed cores having a mirror therebetween and optical path directions changed, and has multichannel cores simultaneously formed under a condition that their positional relationship is maintained. This device can be produced by a first or second method. The first method comprises steps of forming a parallelepiped block on a substrate by a cladding resin; forming a film of a core layer to cover the block by a core resin; and simultaneously forming cores having an optical path direction rectangularly changed, by selectively etching the core layer and the block. The second method comprises steps of forming a film of a core layer on a substrate by a resin; and simultaneously forming a plurality of cores having an optical path rectangularly changed, by selectively etching the core layer, under a condition that their positional relationship is maintained.
    • 本发明涉及由树脂光波导和反射镜构成并改变光路方向的多通道光路改变装置。 该装置具有在其间具有反射镜并且光路方向改变的单片成形芯,并且在保持它们的位置关系的条件下同时形成多通道芯。 该装置可以通过第一种或第二种方法制造。 第一种方法包括通过包覆树脂在基底上形成平行六面体块的步骤; 通过芯树脂形成芯层的膜以覆盖块; 并且通过选择性地蚀刻芯层和块,同时形成光路方向的矩形变化的芯。 第二种方法包括通过树脂在基底上形成芯层的膜的步骤; 并且通过在保持其位置关系的条件下选择性地蚀刻芯层,同时形成具有矩形变化的光路的多个芯。
    • 4. 发明授权
    • Process for producing polyimide platy object
    • 生产聚酰亚胺板状物体的方法
    • US06750320B2
    • 2004-06-15
    • US10078265
    • 2002-02-20
    • Yoshihiro MoroiHidehisa NanaiYuji YamamotoShigeki Sakaguchi
    • Yoshihiro MoroiHidehisa NanaiYuji YamamotoShigeki Sakaguchi
    • B32B2700
    • B29C41/003B29C41/12B29C67/246B29K2079/08B29K2105/0073B29L2011/00Y10T428/31721
    • A process for producing a polyimide platy object includes (a) providing a solution containing a solvent and a solute (i.e., a polyimide precursor or polyimide); (b) pouring the solution onto a supporting member; (c) removing a portion of the solvent from the solution at a first temperature lower than boiling point of the solvent, thereby forming a precursory platy object thereon, the precursory platy object having a self-supporting property and a first surface in contact with the supporting member and a second surface away therefrom and a first content of the solvent at the first surface and a second content (less than the first content by 2-10 wt %) of the solvent at the second surface; and (d) detaching the precursory platy object therefrom; and (e) heating the precursory platy object at a second temperature higher than boiling point of the solvent and is lower than decomposition temperature of the polyimide.
    • 制备聚酰亚胺板状物体的方法包括(a)提供含有溶剂和溶质(即聚酰亚胺前体或聚酰亚胺)的溶液; (b)将溶液倾倒到支撑构件上; (c)在低于溶剂沸点的第一温度下从溶液中除去一部分溶剂,从而在其上形成前体片状物体,所述前体片状物体具有自支撑性质和与所述第一表面接触的第一表面 支撑构件和离开其的第二表面和第一表面处的溶剂的第一含量和第二表面处的溶剂的第二含量(小于第一含量2-10重量%); 和(d)从其中分离前体片状物体; 和(e)在高于溶剂沸点的第二温度下加热前体片状物体,并且低于聚酰亚胺的分解温度。