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    • 2. 发明专利
    • Method of treating quartz porous glass layer
    • 处理石墨多孔玻璃层的方法
    • JPS6144725A
    • 1986-03-04
    • JP16599384
    • 1984-08-08
    • Furukawa Electric Co Ltd:TheNippon Telegr & Teleph Corp
    • KAMIYA TAMOTSUNAKAHARA MOTOHIRO
    • C03B8/04C03B20/00C03B37/014C03B37/018C03C3/04
    • C03B37/01446C03B2201/14C03B2203/22
    • PURPOSE:To dope a necessary and sufficient amount of fluorine in quartz glass while suppressing volatilization of glass, by heat-treating B2O3-SiO2 porous glass layer obtained by depositing glass fine particles in a fluorine atmosphere. CONSTITUTION:The porous glass layer 1 formed by OVD method, VAD method, etc. consists of B2O5-SiO2 system. In order to deposit and to form the porous glass layer 1 on the outer periphery of the glass rod 2, the first flow path at the center of a burner consisting of a multiple pipe structure is supplied with a raw material gas, the second flow path, with oxygen, and the third flow path, with hydrogen, respectively, glass fine particles formed by flame hydrolysis reaction of the gase are deposited on the outer periphery of the glass rod 2, to give the porous glass layer 1. The porous glass layer 1 is heat-treated in a fluorine-containing atmosphere, such as a mixed gas of 1% boron trifluoride and the rest of helium. Consequently, the porous glass layer 1 is doped with fluorine and the layer 1 is simultaneously processed into transparent glass.
    • 目的:通过热处理通过在氟气氛中沉积玻璃微粒获得的B2O3-SiO2多孔玻璃层,在石英玻璃中掺入必要和足够量的氟,同时抑制玻璃的挥发。 构成:通过OVD法,VAD法等形成的多孔玻璃层1由B2O5-SiO2体系构成。 为了在玻璃棒2的外周上沉积并形成多孔玻璃层1,在由多管结构构成的燃烧器的中心处的第一流路被供给原料气体,第二流路 ,分别用氢气和第三流路分别通过气体的火焰水解反应形成的玻璃微粒沉积在玻璃棒2的外周上,得到多孔玻璃层1.多孔玻璃层 1在含氟气氛中进行热处理,例如1%三氟化硼和其余氦气的混合气体。 因此,多孔玻璃层1掺杂氟,层1同时加工成透明玻璃。
    • 4. 发明专利
    • Manufacture of optical fiber matrix
    • 光纤矩阵的制造
    • JPS59111939A
    • 1984-06-28
    • JP22274882
    • 1982-12-17
    • Hitachi Cable Ltd
    • TOKUNAGA TOSHIHIDE
    • C03B37/018C03B20/00C03B37/012G02B6/00
    • C03B37/01211C03B2201/02C03B2201/10C03B2201/14
    • PURPOSE:To manufacture an optical fiber matrix having low transmission loss and free of bubbles at the interface between the quartz core and the clad, by using a quartz glass tube having specific two glass layers at the inner surface, in the manufacture of optical fiber matrix by the rod-in-tube process. CONSTITUTION:An quartz glass tube 1 attached to a vertical glass lathe 5 is rotated, a mixed gas of SiCl4, BF3 and O2 is introduced into the glass tube 1 while traversing the oxyhydrogen burner 6 vertically to form a (B2O3-F-SiO2) glass layer 2 to the inner surface of the tube, and then a mixed gas of SiCl4, BCl3 and O2 is introduced into the tube to form a (B2O3-SiO2) glass layer 3 (having a thickness of about 30mu) on the layer 2. A quartz glass rod 4 is inserted at the center of the quartz glass tube 1, and the whole assembly is melted and integrated to obtain the optical fiber matrix 7.
    • 目的:通过在内表面使用具有特定两个玻璃层的石英玻璃管来制造在石英芯和包层之间的界面处具有低传输损耗和无气泡的光纤矩阵,在制造光纤矩阵 通过棒管过程。 构成:安装在立式玻璃车床5上的石英玻璃管1旋转,将SiCl4,BF3和O2的混合气体垂直地穿过氢氧化物燃烧器6而引入玻璃管1中,形成(B 2 O 3 -F-SiO 2) 玻璃层2到管的内表面,然后将SiCl 4,BCl 3和O 2的混合气体引入管中以在层2上形成(B2O3-SiO2)玻璃层3(厚度约30μm) 将石英玻璃棒4插入石英玻璃管1的中心,将整个组件熔化并整合,得到光纤矩阵7。
    • 6. 发明专利
    • Multiple optical fiber having radiation resistance
    • 具有耐辐射性的多光纤
    • JPS6150106A
    • 1986-03-12
    • JP17171684
    • 1984-08-18
    • Dainichi Nippon Cables Ltd
    • UCHIUMI ATSUSHIHAYAMIZU HIROYUKI
    • G02B6/00C03B19/10C03B37/012C03B37/018C03B37/027C03B37/028C03C13/04F21V8/00G02B6/02G02B6/04G02B6/06G02B6/44
    • G02B6/443C03B19/106C03B37/01214C03B37/0183C03B37/027C03B37/028C03B2201/02C03B2201/04C03B2201/14C03B2201/23C03B2203/40C03C13/045G02B6/0001G02B6/02G02B6/06
    • PURPOSE:To obtain multiple optical fibers having excellent radiation resistance by welding and bundling many optical fibers formed by providing quartz glass clad layers contg. B and F dopants on cores of high-purity quartz glass manufactured by an oxygen plasma method and contg. an OH group at a lower rate to each other. CONSTITUTION:Many pieces of the optical fibers 2 each formed by providing the clad layer 4 consisting of the quartz glass tube doped with the B and F dopants on the inside circumference thereof by using, for example, BF3, BCl3, SiF4, etc. on the outside circumference of the core 3 of the high-purity quartz glass formed by the oxygen plasma method and contg. 10-300ppm OH group and having 5-30mu core diameter and 1.5-10mu thickness T1 of the layers 4 are welded to each other and are bundled in this state, by which the multiple optical fibers 1 are obtd. The multiple optical fibers which are suitable for an image guide, obviates the increase in transmission loss, etc. by the effect of radiations and have excellent durability for nuclear reactor facilities, etc. are thus obtd.
    • 目的:通过焊接和捆扎许多通过提供石英玻璃包层形成的光纤获得具有优异耐辐射性的多根光纤。 通过氧等离子体法制造的高纯度石英玻璃的核心上的B和F掺杂剂。 OH组相对较低。 构成:通过使用例如BF 3,BCl 3,SiF 4等在其内周上设置由掺杂有B和F掺杂剂的石英玻璃管构成的包层4而形成的许多光纤2, 通过氧等离子体法形成的高纯度石英玻璃的芯3的外周。 将10-300ppm OH基团和具有5-30μm核心直径和1.5-10μm厚度的层4的T1彼此焊接在一起,并且在该状态下被束缚,由此可以获得多根光纤1。 适用于图像引导件的多根光纤通过辐射效应消除传输损耗等的增加,并且对核反应堆设备等具有优异的耐久性。