公开(公告)号：US20160332122A1

公开(公告)日：2016-11-17

申请号：US15222964

申请日：2016-07-29

Applicant: JNC CORPORATION ,  JNC PETROCHEMICAL CORPORATION

Inventor： KAZUYUKI SAKAMOTO ,  OSAMU KOJIMA ,  OSAMU YAMAGUCHI

IPC: B01D69/12 ,  C03B19/12 ,  B01D67/00 ,  B01D71/04 ,  B01D71/36

CPC classification number: B01D69/125 ,  B01D67/0048 ,  B01D67/0079 ,  B01D69/12 ,  B01D71/04 ,  B01D71/32 ,  B01D71/36 ,  C03B19/12 ,  C03B2201/02 ,  C08J5/18 ,  C08J2327/12

Abstract: A method for manufacturing a composite porous film for fluid separation is provided. In such method, a coating film of a silica precursor is formed at least on one side of a microporous film including a fluoropolymer resin, and then applying at least one of treatment selected from heat treatment and steam treatment to convert the silica precursor into a SiO2 glass, and thus a SiO2 glass layer is formed at least on one side of the microporous film, and a composite porous film coated with the SiO2 glass is obtained. The composite porous film has both a sufficient chemical resistance and strength allowing suppression of heat deflection under a liquid at a high temperature.

Abstract translation: 提供一种制造用于流体分离的复合多孔膜的方法。 在这种方法中，在包含含氟聚合物树脂的微孔膜的至少一侧上形成二氧化硅前体的涂膜，然后施加至少一种选自热处理和蒸汽处理的处理，以将二氧化硅前体转化为SiO 2 玻璃，从而在微孔膜的至少一侧形成SiO 2玻璃层，得到涂覆有SiO 2玻璃的复合多孔膜。 复合多孔膜具有足够的耐化学性和强度，可以抑制液体在高温下的热偏转。

公开(公告)号：US09482814B2

公开(公告)日：2016-11-01

申请号：US14945570

申请日：2015-11-19

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Tetsuya Nakanishi ,  Tetsuya Hayashi ,  Takashi Sasaki ,  Eisuke Sasaoka

IPC: G02B6/02 ,  C03B37/012 ,  C03B37/027 ,  G02B6/38 ,  G02B6/36

CPC classification number: G02B6/02042 ,  C03B37/01222 ,  C03B37/027 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2203/04 ,  C03B2203/12 ,  C03B2203/34 ,  G02B6/02395 ,  G02B6/3652 ,  G02B6/3803 ,  G02B6/3838 ,  G02B6/3851

Abstract: The present invention relates to an MCF with a structure for enabling an alignment work with higher accuracy. The MCF has a plurality of cores and a cladding. An outer peripheral shape of the cladding in a cross section of the MCF is comprised of a circumferential portion forming a circumference coincident with an outer periphery of the MCF, and a cut portion. The cut portion has a bottom portion and two contact portions provided on both sides of the bottom portion and projecting more than the bottom portion. When a side face of the MCF is viewed, the two contact portions have flattened faces and the flattened faces of the two contact portions extend along a longitudinal direction of the MCF with the bottom portion in between.

Abstract translation: 本发明涉及具有能够以更高精度实现对准工作的结构的MCF。 MCF具有多个芯和包层。 MCF的横截面中的包层的外周形状包括形成与MCF的外周一致的圆周的周缘部和切断部。 切割部分具有底部和设置在底部两侧的两个接触部分，并且比底部部分突出。 当观察MCF的侧面时，两个接触部分具有平坦的表面，并且两个接触部分的平坦表面沿着MCF的纵向方向延伸，底部部分在其间。

公开(公告)号：US09481597B2

公开(公告)日：2016-11-01

申请号：US14365944

申请日：2012-12-13

Applicant: Heraeus Quarzglas GmbH & Co. KG

Inventor： Klaus-Uwe Badeke ,  Norbert Otto ,  Martin Trommer ,  Hilmar Laudahn ,  Andreas Brueckel

IPC: C03B19/14

CPC classification number: C03B19/1415 ,  C03B2201/02 ,  C03B2207/32 ,  C03B2207/85 ,  Y02P40/57

Abstract: The invention relates to a method for producing synthetic quartz glass by vaporizing a polyalkylsiloxane as a liquid SiO2 feedstock (105), converting the vaporized SiO2 feedstock (107) into SiO2 particles, separating the SiO2 particles, forming a soot body (200) and vitrifying the soot body (200). According to the invention, the vaporizing of the heated SiO2 feedstock (105) comprises an injection phase in an expansion chamber (125), in which the SiO2 feedstock (105) is atomized into fine droplets, wherein the droplets have an average diameter of less than 5 pm, and wherein the atomizing of the droplets takes place in a preheated carrier gas stream which has a temperature of more than 180° C.

Abstract translation: 本发明涉及一种通过将聚烷基硅氧烷气化为液态SiO 2原料（105）来生产合成石英玻璃的方法，将蒸发的SiO 2原料（107）转化为SiO 2颗粒，分离SiO 2颗粒，形成烟炱体（200）和玻璃化 烟炱体（200）。 根据本发明，加热的SiO 2原料（105）的汽化包括在膨胀室（125）中的注入相，其中SiO 2原料（105）被雾化成细小液滴，其中液滴的平均直径较小 低于5μm，并且其中液滴的雾化发生在温度高于180℃的预热的载气流中。

公开(公告)号：US20160257599A1

公开(公告)日：2016-09-08

申请号：US14640584

申请日：2015-03-06

Applicant: OFS Fitel, LLC

Inventor： Dennis J. Trevor

IPC: C03B37/012

CPC classification number: C03B37/0128 ,  C03B37/01211 ,  C03B37/01237 ,  C03B37/01257 ,  C03B37/01282 ,  C03B37/01297 ,  C03B2201/02

Abstract: The embodiments disclosed herein seek to ameliorate high costs associated with the use of ultra-pure silica by using a lower-cost starting material and purifying the lower-cost starting material to an acceptable level of purity during the preform manufacturing process. In one embodiment, a nucleating compound is coated on a thin-walled silica tube, which upon cooling, forms cristobalite allowing for easy removal of the thin-walled silica tube.

Abstract translation: 本文公开的实施方案旨在通过使用较低成本的起始材料和在预成型制造过程中将较低成本起始材料纯化至可接受的纯度来改善与使用超纯二氧化硅相关的高成本。 在一个实施方案中，将成核化合物涂覆在薄壁石英管上，其在冷却时形成方英石，允许容易地除去薄壁二氧化硅管。

公开(公告)号：US09382149B2

公开(公告)日：2016-07-05

申请号：US14123085

申请日：2012-05-10

Applicant: Lothar Brehm ,  Matthias Auth ,  Jörg Kötzing

Inventor： Lothar Brehm ,  Matthias Auth ,  Jörg Kötzing

IPC: C03B37/018 ,  C03B37/012 ,  C03B37/014 ,  C23C16/22 ,  G02B6/036

CPC classification number: C03B37/01869 ,  C03B37/01211 ,  C03B37/01228 ,  C03B37/01237 ,  C03B37/014 ,  C03B37/01493 ,  C03B37/018 ,  C03B37/01892 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/31 ,  C03B2203/04 ,  C03B2203/12 ,  C03B2203/22 ,  C03B2203/23 ,  C23C16/22 ,  G02B6/036 ,  Y02P40/57

Abstract: Methods for producing a semifinished part for the manufacture of an optical fiber are disclosed. The methods are optimized in terms of bending. The methods include the steps of providing a shell tube with a shell refractive index which is lower in relation to the light-conducting core. Then, at least one protective, intermediate and/or barrier layer is applied to a radially outermost and/or innermost tube surface of the respective shell tube, wherein a build-up of light-conducting layers is realized on the inner side and/or the outer side of the shell tube. Finally, the shell tubes are joined by collapsing so as to form the semifinished part.

Abstract translation: 公开了制造光纤的半成品部件的制造方法。 该方法在弯曲方面进行了优化。 所述方法包括提供壳体折射率相对于导光芯较低的壳管的步骤。 然后，至少一个保护性，中间和/或阻挡层被施加到相应的外壳管的径向最外侧和/或最内侧的管表面，其中导光层的积聚在内侧和/或 外壳的外侧。 最后，通过塌缩连接壳管，形成半成品。

公开(公告)号：US09244219B2

公开(公告)日：2016-01-26

申请号：US14346309

申请日：2012-09-18

Applicant: Commissariat à l'énergie atomique et aux énergies alternatives ,  Universite Lille 1 Sciences et Technologies ,  Centre National De La Recherche Scientifique

Inventor： Emmanuel Hugonnot ,  Laure Lago ,  Arnaud Mussot ,  Yves Quimquenpois ,  Géraud Bouwmans ,  Laurent Bigot ,  Constance Valentin

IPC: G02B6/02 ,  G02B6/032 ,  G02B6/036 ,  C03B37/012

CPC classification number: G02B6/02338 ,  C03B37/0122 ,  C03B2201/02 ,  C03B2201/31 ,  C03B2201/36 ,  C03B2203/14 ,  C03B2203/22 ,  C03B2203/42 ,  G02B6/02314 ,  G02B6/02333 ,  G02B6/02347 ,  G02B6/02352 ,  G02B6/02361 ,  G02B6/0238 ,  G02B6/032 ,  G02B6/03611 ,  Y10T29/49769

Abstract: The fiber comprises a core (2) having an index N and diameter of 10 μm or more, surrounded by a ring (4) having an index N+Δn and thickness ΔR, and cladding (6) surrounding the ring and comprising for example air gaps (8). According to the invention: Δn≧10−3 and ΔR=α/(Δn)β [1] where: 5×10−4 μm≦α≦5×10−2 μm and 0.5≦β≦1.5. The numbers α and β are dependent on the wavelength λ of the light guided by the fiber, the number of missing gaps therein, the diameter d of the gaps, the spacing Λ thereof and N. To design the fiber, λ, the number of missing gaps, d/Λ, the core doping content, Λ and Δn are chosen; and ΔR is determined using equation [1] so as to obtain a flattened fundamental mode.

Abstract translation: 纤维包括具有折射率N且直径为10μm或更大的芯体（2），被具有指数N +＆Dgr; n和厚度＆Dgr; R的环（4）和环绕环的包层（6）包围， 包括例如气隙（8）。 根据本发明：＆Dgr;n≥10-3和＆Dgr; R =α/（＆Dgr; n）＆bgr; [1]其中：5×10-4μm＆nlE;α＆nlE; 5×10-2μm和0.5＆nlE;＆bgr;＆nlE; 1.5。 数字α和＆bgr; 取决于由光纤引导的光的波长λ，其中缺失的间隙的数量，间隙的直径d，间隔Λ和N。为了设计光纤，λ，缺失间隙的数量，d / Λ，选择核掺杂含量Λ和＆Dgr; n; 并且使用等式[1]确定＆Dgr; R，以便获得平坦的基本模式。

公开(公告)号：US20150321939A1

公开(公告)日：2015-11-12

申请号：US14804857

申请日：2015-07-21

Applicant: MITSUBISHI MATERIALS CORPORATION

Inventor： Toshiaki Ueda

IPC: C03B19/10 ,  C03C23/00 ,  C01B33/18

CPC classification number: C03B19/1065 ,  C01B33/14 ,  C01B33/18 ,  C01B33/181 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/54 ,  C01P2004/61 ,  C01P2006/12 ,  C03B19/1095 ,  C03B2201/02 ,  C03C3/06 ,  C03C23/0075 ,  Y10T428/2982

Abstract: The synthetic amorphous silica powder of the present invention is characterized in that it comprises a synthetic amorphous silica powder obtained by applying a spheroidizing treatment to a silica powder, and by subsequently cleaning and drying it so that the synthetic amorphous silica powder has an average particle diameter D50 of 10 to 2,000 μm; wherein the synthetic amorphous silica powder has: a quotient of 1.00 to 1.35 obtained by dividing a BET specific surface area of the powder by a theoretical specific surface area calculated from the average particle diameter D50; a real density of 2.10 to 2.20 g/cm3; an intra-particulate porosity of 0 to 0.05; a circularity of 0.75 to 1.00; and an unmolten ratio of 0.00 to 0.25. This synthetic amorphous silica powder is less in amount of gas components adsorbed to surfaces of particles of the powder and in amount of gas components within the particles, so that a synthetic silica glass product manufactured by using the powder is remarkably decreased in amount of generation or degree of expansion of gas bubbles even upon usage of the product in a high temperature and reduced pressure environment.

Abstract translation: 本发明的合成无定形二氧化硅粉末的特征在于，其包含通过对二氧化硅粉末进行球化处理得到的合成无定形二氧化硅粉末，然后进行清洗和干燥，使得合成的无定形二氧化硅粉末的平均粒径 D50为10〜2000μm; 其中所述合成无定形二氧化硅粉末具有：通过将粉末的BET比表面积除以由平均粒径D50计算出的理论比表面积获得的1.00至1.35的商数; 实际密度为2.10〜2.20g / cm3; 颗粒内孔隙率为0至0.05; 0.75〜1.00的圆形度; 和0.00〜0.25的未摩尔比。 该合成无定形二氧化硅粉末的吸附量小于粉末颗粒表面的气体成分和颗粒内的气体成分量，所以使用该粉末的合成二氧化硅玻璃制品的产生量或产生量显着降低 即使在高温和减压环境下使用产品，气泡的膨胀程度也是如此。

公开(公告)号：US09120678B2

公开(公告)日：2015-09-01

申请号：US13520801

申请日：2010-12-24

Applicant: Toshiaki Ueda

Inventor： Toshiaki Ueda

IPC: C01B33/12 ,  C01B33/18 ,  C01B33/14 ,  C03C3/06

CPC classification number: C03B19/1065 ,  C01B33/14 ,  C01B33/18 ,  C01B33/181 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/54 ,  C01P2004/61 ,  C01P2006/12 ,  C03B19/1095 ,  C03B2201/02 ,  C03C3/06 ,  C03C23/0075 ,  Y10T428/2982

Abstract: The synthetic amorphous silica powder of the present invention is characterized in that it comprises a synthetic amorphous silica powder obtained by applying a spheroidizing treatment to a silica powder, and by subsequently cleaning and drying it so that the synthetic amorphous silica powder has an average particle diameter D50 of 10 to 2,000 μm; wherein the synthetic amorphous silica powder has: a quotient of 1.00 to 1.35 obtained by dividing a BET specific surface area of the powder by a theoretical specific surface area calculated from the average particle diameter D50; a real density of 2.10 to 2.20 g/cm3; an intra-particulate porosity of 0 to 0.05; a circularity of 0.75 to 1.00; and an unmolten ratio of 0.00 to 0.25.

Abstract translation: 本发明的合成无定形二氧化硅粉末的特征在于，其包含通过对二氧化硅粉末进行球化处理得到的合成无定形二氧化硅粉末，然后进行清洗和干燥，使得合成的无定形二氧化硅粉末的平均粒径 D50为10〜2000μm; 其中所述合成无定形二氧化硅粉末具有：通过将粉末的BET比表面积除以由平均粒径D50计算的理论比表面积获得的商为1.00至1.35的商; 实际密度为2.10〜2.20g / cm3; 颗粒内孔隙率为0至0.05; 0.75〜1.00的圆形度; 和0.00〜0.25的未摩尔比。

公开(公告)号：US20150139600A1

公开(公告)日：2015-05-21

申请号：US14603488

申请日：2015-01-23

Applicant: Fujikura Ltd.

Inventor： Shoji Tanigawa ,  Katsuhiro Takenaga

IPC: G02B6/02

CPC classification number: G02B6/02042 ,  C03B37/01222 ,  C03B37/02754 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/31 ,  C03B2203/22 ,  C03B2203/26 ,  C03B2203/34 ,  C03B2205/14

Abstract: Provided is a method of producing a preform 10P for a coupled multi-core fiber including: an arranging process P1 for arranging a plurality of core glass bodies 11R and a clad glass body 12R in such a way that the plurality of core glass bodies 11R are surrounded by the clad glass body 12R; and a collapsing process P2 for collapsing a gap between the core glass bodies 11R and the clad glass body 12R, wherein the respective core glass bodies 11R have outer regions 16 having a predetermined thickness from the periphery surfaces and made of silica glass undoped with germanium, and the clad glass body 12R is made of silica glass having a refractive index lower than a refractive index of the outer regions of the core glass bodies 11R.

Abstract translation: 提供一种制造用于耦合的多芯光纤的预成型件10P的方法，包括：布置过程P1，其布置多个芯玻璃体11R和包层玻璃体12R，使得多个芯玻璃体11R为 被包层玻璃体12R包围; 以及用于塌缩芯玻璃体11R与包层玻璃体12R之间的间隙的塌陷处理P2，其中各个芯玻璃体11R具有从外围表面预定厚度的外部区域16，并且由锗未掺杂的石英玻璃制成， 并且包层玻璃体12R由折射率低于芯玻璃体11R的外部区域的折射率的石英玻璃制成。

公开(公告)号：US20150059407A1

公开(公告)日：2015-03-05

申请号：US14390991

申请日：2013-03-20

Applicant: Heraeus Quarzglas GmbH & Co KG

Inventor： Walter Lehmann ,  Thomas Kayser

IPC: C03B20/00 ,  C03C23/00 ,  C03B19/10

CPC classification number: C03B20/00 ,  C03B19/095 ,  C03B19/1005 ,  C03B19/107 ,  C03B19/1095 ,  C03B2201/02 ,  C03B2201/03 ,  C03C23/0075

Abstract: The production of quartz glass granules comprises the granulation of pyrogenically produced silicic acid and the formation of a SiO2 granulate (9), the drying and cleaning of the SiO2 granulate (9) by heating in an atmosphere containing halogen, and the vitrification of the SiO2 granulate (9) under a treatment gas which contains at least 30% by volume of helium and/or hydrogen. This process is time-consuming and expensive. In order to provide a method which, starting from a porous SiO2 granulate (9), allows the cost-effective production of dense, synthetic quartz glass granules suitable for melting bubble-free components of quartz glass, the invention proposes that the cleaning and vitrification of the SiO2 granulate (9) and a post-treatment of the vitrified quartz glass granules are carried out in each case in a rotary tube (6) of a rotary kiln (1), said rotary tube rotating about a central axis (7), wherein the rotary tube (6) comprises an inner wall made of a ceramic material during vitrification, and wherein the vitrified quartz glass granules are subjected to a post-treatment during a treatment period of at least 10 minutes in an atmosphere which contains less than 20% of helium or hydrogen at a treatment temperature of 300° C. or more.

Abstract translation: 石英玻璃颗粒的生产包括热解产生的硅酸的成粒和SiO 2颗粒的形成（9），通过在含卤素的气氛中加热来干燥和清洁SiO 2颗粒（9），并且SiO 2的玻璃化 颗粒（9）在含有至少30体积％的氦和/或氢气的处理气体下。 这个过程是耗时且昂贵的。 为了提供从多孔SiO 2颗粒（9）开始的方法，可以成本有效地生产适合于熔化石英玻璃的无气泡组分的致密合成石英玻璃颗粒，本发明提出了清洁和玻璃化 的二氧化硅颗粒（9）的后处理和玻璃化的石英玻璃颗粒的后处理在每种情况下在旋转窑（1）的旋转管（6）中进行，所述旋转管围绕中心轴线（7）旋转， 其中旋转管（6）在玻璃化期间包括由陶瓷材料制成的内壁，并且其中所述玻璃化石英玻璃颗粒在至少10分钟的处理期间在包含小于 在300℃或更高的处理温度下，20％的氦气或氢气。