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    LOW ATTENUATION FIBER WITH VISCOSITY MATCHED CORE AND INNER CLAD
    114.
    发明申请
    LOW ATTENUATION FIBER WITH VISCOSITY MATCHED CORE AND INNER CLAD 有权
    低衰减光纤与粘度匹配核心和内部粘合

    公开(公告)号：US20150370010A1

    公开(公告)日：2015-12-24

    申请号：US14728132

    申请日：2015-06-02

    Applicant: Corning Incorporated

    Inventor： Dana Craig Bookbinder ,  Ming-Jun Li ,  Hazel Benton Matthews, III ,  Pushkar Tandon

    IPC: G02B6/036 ,  C03B37/027 ,  G02B6/02

    CPC classification number: G02B6/03627 ,  C03B37/02 ,  C03B37/027 ,  C03B37/02718 ,  C03B37/02727 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/31 ,  C03B2203/223 ,  C03B2203/23 ,  C03B2203/24 ,  C03B2205/55 ,  C03B2205/56 ,  C03C3/06 ,  C03C13/045 ,  C03C13/046 ,  C03C2201/12 ,  C03C2201/31 ,  C03C2213/00 ,  G02B6/02014

    Abstract: A single mode optical fiber having a core made from silica and less than or equal to about 6.5 weight % germania and having a maximum relative refractive index Δ1MAX. The optical fiber also has an inner cladding surrounding the core and having a minimum relative refractive index Δ2MIN. A difference between a softening point of the core and a softening point of the inner cladding is less than or equal to about 20° C., and Δ1MAX>Δ2MIN. The single mode optical fiber may also have an outer cladding surrounding the inner cladding made from silica or SiON. The outer cladding has a maximum relative refractive index Δ3MAX, and Δ3MAX>Δ2MIN. A method for manufacturing an optical fiber includes providing a preform to a first furnace, the preform, drawing the optical fiber from the preform, and cooling the drawn optical fiber in a second furnace.

    Abstract translation: 一种单模光纤，其具有由二氧化硅制成并且小于或等于约6.5重量％的锗并具有最大相对折射率＆Dgr; 1MAX的芯。 光纤还具有围绕芯的内包层并具有最小的相对折射率＆Dgr; 2MIN。 芯的软化点和内包层的软化点之间的差值小于或等于约20℃，并且＆Dgr; 1MAX>＆Dgr; 2MIN。 单模光纤还可以具有包围由二氧化硅或SiON制成的内包层的外包层。 外包层具有最大相对折射率＆Dgr; 3MAX和＆Dgr; 3MAX>＆Dgr; 2MIN。 一种制造光纤的方法包括：将预成型件提供给第一炉，预型件，从预成型件拉制光纤，并在第二炉中冷却拉制的光纤。

    TUBULAR SEMIFINISHED PRODUCT FOR PRODUCING AN OPTICAL FIBER
    115.
    发明申请
    TUBULAR SEMIFINISHED PRODUCT FOR PRODUCING AN OPTICAL FIBER 审中-公开
    用于生产光纤的管状半透明产品

    公开(公告)号：US20150299024A1

    公开(公告)日：2015-10-22

    申请号：US14711000

    申请日：2015-05-13

    Applicant: Heraeus Quarzglas GmbH & Co. KG

    Inventor： Ralph Sattmann ,  Jan Vydra ,  Michael Huenermann

    IPC: C03B37/027 ,  G02B6/036 ,  C03B37/018

    CPC classification number: C03B37/02754 ,  C03B37/01211 ,  C03B37/01228 ,  C03B37/01242 ,  C03B37/018 ,  C03B37/027 ,  C03B2201/075 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/30 ,  C03B2201/31 ,  C03B2203/22 ,  C03B2203/23 ,  C03B2205/30 ,  C03C13/045 ,  C03C2201/12 ,  G02B6/03633 ,  G02B6/0365 ,  Y10T428/2935

    Abstract: Methods for producing an optical fiber by elongating a silica glass blank or a coaxial group of silica glass components, on the basis of which a fiber is obtained that comprises a core zone, an inner jacket zone enclosing the core zone and a ring zone surrounding the inner jacket zone, are known. In order to provide, proceeding from this, a method, a tubular semi-finished product and a group of coaxial components for the cost-effective production of an optical fiber, which is characterized by a high quality of the boundary between the core and jacket and by low bending sensitivity, according to the invention, the silica glass of the ring zone is provided in the form of a ring zone tube made of silica glass having a mean fluorine content of at least 6000 weight ppm and the tube has an inner tube surface and an outer tube surface, wherein via the wall of the ring zone tube, a radial fluorine concentration profile is adjusted which has an inner fluorine depletion layer with a layer thickness of at least 1 μm and no more than 10 μm, in which the fluorine content decreases toward the inner tube surface and is no more than 3000 weight ppm in a region close to the surface which has a thickness of 1 μm.

    Abstract translation: 通过使二氧化硅玻璃坯料或同轴的二氧化硅玻璃成分体组织进行拉伸来制造光纤的方法，基于该光纤获得包含芯部区域的纤维，包围芯部区域的内部护套区域和围绕该区域的环形区域 内护套区域，已知。 为了提供一种用于成本有效地生产光纤的方法，管状半成品和一组同轴部件，其特征在于芯和夹套之间的边界质量高 并且通过低弯曲灵敏度，根据本发明，环区的石英玻璃以平均氟含量为至少6000重量ppm的石英玻璃制成的环形管的形式提供，并且管具有内管 表面和外管表面，其中通过环带管的壁，调节径向氟浓度分布，其具有层厚度为至少1μm且不大于10μm的内氟耗尽层，其中 氟含量向内管表面减少，并且在接近表面厚度为1μm的区域中不超过3000重量ppm。

    Very low CTE slope doped silica-titania glass
    117.
    发明授权
    Very low CTE slope doped silica-titania glass 有权
    非常低的CTE斜率掺杂二氧化硅 - 二氧化钛玻璃

    公开(公告)号：US08901019B2

    公开(公告)日：2014-12-02

    申请号：US13835039

    申请日：2013-03-15

    Applicant: Corning Incorporated

    Inventor： Seshian Annamalai ,  Carlos Alberto Duran ,  Kenneth Edward Hrdina

    IPC: G03F1/22 ,  C03C3/06 ,  C03C4/00 ,  C03B19/14 ,  C03B19/12

    CPC classification number: G03F1/22 ,  C03B19/12 ,  C03B19/1461 ,  C03B2201/075 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/23 ,  C03B2201/32 ,  C03B2201/40 ,  C03B2201/42 ,  C03C3/06 ,  C03C4/0085 ,  C03C2201/12 ,  C03C2201/23 ,  C03C2201/32 ,  C03C2201/40 ,  C03C2201/42 ,  C03C2203/44 ,  C03C2203/54

    Abstract: The present disclosure is directed to a doped silica-titania glass, DST glass, consisting essentially of 0.1 wt. % to 5 wt. % halogen, 50 ppm-wt. to 6 wt. % one or more oxides of Al, Ta and Nb, 3 wt. % to 10 wt. % TiO2 and the remainder SiO2. In an embodiment the halogen content can be in the range of 0.2 wt. % to 3 wt. % along with 50 ppm-wt. to 6 wt. % one or more oxides of Al, Ta and Nb, 3 wt. % to 10 wt. % TiO2 and the remainder SiO2. In an embodiment the DST glass has an OH concentration of less than 100 ppm. In another embodiment the OH concentration is less than 50 ppm. The DST glass has a fictive temperature Tf of less than 875° C. In an embodiment Tf is less than 825° C. In another embodiment Tf is less than 775° C.

    Abstract translation: 本公开涉及掺杂的二氧化硅 - 二氧化钛玻璃，DST玻璃，其基本上由0.1重量％ ％至5wt。 ％卤素，50ppm-wt。 至6重量％ ％的一种或多种Al，Ta和Nb的氧化物，3wt。 ％至10重量％ ％的TiO 2和其余的SiO 2。 在一个实施方案中，卤素含量可以在0.2wt。 ％〜3重量％ ％和50ppm-wt。 至6重量％ ％的一种或多种Al，Ta和Nb的氧化物，3wt。 ％〜10重量％ ％的TiO 2和其余的SiO 2。 在一个实施方案中，DST玻璃的OH浓度小于100ppm。 在另一个实施方案中，OH浓度小于50ppm。 DST玻璃具有小于875℃的假想温度Tf。在一个实施方案中，Tf小于825℃。在另一个实施方案中，Tf小于775℃

    METHOD FOR PRODUCING OPTICAL FIBER
    118.
    发明申请
    METHOD FOR PRODUCING OPTICAL FIBER 审中-公开
    生产光纤的方法

    公开(公告)号：US20120321261A1

    公开(公告)日：2012-12-20

    申请号：US13517859

    申请日：2012-06-14

    Applicant: Tetsuya Haruna ,  Masaaki Hirano ,  Yoshiaki Tamura

    Inventor： Tetsuya Haruna ,  Masaaki Hirano ,  Yoshiaki Tamura

    IPC: C03B37/027 ,  G02B6/02

    CPC classification number: C03C3/06 ,  C03B37/0253 ,  C03B37/029 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/50 ,  C03B2203/22 ,  C03B2203/23 ,  C03B2203/26 ,  C03B2205/40 ,  C03B2205/42 ,  C03C13/045 ,  C03C2201/11 ,  C03C2201/12 ,  C03C2201/50 ,  G02B6/03627

    Abstract: There is provided a method for producing an optical fiber having low attenuation, the optical fiber including a core that contains an alkali metal element. An optical fiber preform that includes a core part and a cladding part is drawn with a drawing apparatus to form an optical fiber, the core part having an average concentration of an alkali metal element of 5 atomic ppm or more. During the drawing, the time the temperature of glass is maintained at 1500° C. or higher is 110 minutes or less. The drawing speed is preferably 1200 m/min or more and more preferably 1500 m/min to 2300 m/min. The optical fiber preform preferably has a diameter of 70 mm to 170 mm and more preferably 90 mm to 150 mm.

    Abstract translation: 提供了一种制造具有低衰减的光纤的方法，该光纤包括含有碱金属元素的芯。 包括芯部和包层部的光纤预制棒用拉伸装置拉伸以形成光纤，核部分的碱金属元素的平均浓度为5原子ppm以上。 在图中，玻璃的温度保持在1500℃以上的时间为110分钟以下。 拉伸速度优选为1200m / min以上，更优选为1500m / min〜2300m / min。 光纤预制棒的直径优选为70mm〜170mm，更优选为90mm〜150mm。

    Mask blanks
    119.
    发明授权
    Mask blanks 有权
    面具空白

    公开(公告)号：US08323856B2

    公开(公告)日：2012-12-04

    申请号：US12941491

    申请日：2010-11-08

    Applicant: Shinya Kikugawa ,  Akira Takada ,  Satoru Takaki ,  Yosuke Sato ,  Yasuhiko Akao

    Inventor： Shinya Kikugawa ,  Akira Takada ,  Satoru Takaki ,  Yosuke Sato ,  Yasuhiko Akao

    IPC: G03F1/22

    CPC classification number: C03C3/06 ,  C03C17/09 ,  C03C2201/12 ,  C03C2201/23 ,  C03C2217/26 ,  C03C2218/154 ,  G03F1/60

    Abstract: The present invention provides a mask blank which comprises a substrate made of a synthetic quartz glass and a light-shielding film laminated on a surface of the substrate and is for use in a semiconductor device production technique employing an exposure light wavelength of 200 nm or shorter, wherein the mask blank has a birefringence, as measured at a wavelength of 193 nm, of 1 nm or less per substrate thickness. According to the present invention, mask blanks suitable for use in the immersion exposure technique and the polarized illumination technique are provided.

    Abstract translation: 本发明提供一种掩模板，其包括由合成石英玻璃制成的基板和层叠在基板的表面上的遮光膜，并且用于使用200nm或更短的曝光光波长的半导体器件制造技术 其中掩模坯料在193nm波长下测得的每个基片厚度为1nm或更小的双折射。 根据本发明，提供适用于浸渍曝光技术和偏振照明技术的掩模坯料。

    Process for production of synthetic quartz glass
    120.
    发明授权
    Process for production of synthetic quartz glass 有权
    合成石英玻璃生产工艺

    公开(公告)号：US08240172B2

    公开(公告)日：2012-08-14

    申请号：US13080704

    申请日：2011-04-06

    Applicant: Chikaya Tamitsuji ,  Kunio Watanabe ,  Akio Koike

    Inventor： Chikaya Tamitsuji ,  Kunio Watanabe ,  Akio Koike

    IPC: C03B37/018

    CPC classification number: C03B19/1461 ,  C03B2201/12 ,  C03B2201/42 ,  C03C3/06 ,  C03C2201/12 ,  C03C2201/42

    Abstract: The present invention relates to a process for production of a synthetic quartz glass having a fluorine concentration of 1,000 mass ppm or more, the process comprising: (a) a step of depositing and growing quartz glass fine particles obtained by flame hydrolysis of a glass forming raw material onto a substrate, to thereby form a porous glass body; (b) a step of keeping the porous glass body in a reaction vessel that is filled with elemental fluorine (F2) or a mixed gas comprising elemental fluorine (F2) diluted with an inert gas and contains a solid metal fluoride, to thereby obtain a fluorine-containing porous glass body; and (c) a step of heating the fluorine-containing porous glass body to a transparent vitrification temperature, to thereby obtain a fluorine-containing transparent glass body.

    Abstract translation: 本发明涉及一种氟浓度为1000质量ppm以上的合成石英玻璃的制造方法，其特征在于，包括：（a）沉积和生长通过玻璃成形的火焰水解得到的石英玻璃微粒子的工序 原料在基板上，从而形成多孔玻璃体; （b）将多孔玻璃体保持在填充有元素氟（F2）的反应容器或包含用惰性气体稀释的元素氟（F2）的混合气体并含有固体金属氟化物的步骤，从而获得 含氟多孔玻璃体; 和（c）将含氟多孔质玻璃体加热至透明玻璃化温度的步骤，得到含氟透明玻璃体。

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