公开(公告)号：US20180052280A1

公开(公告)日：2018-02-22

申请号：US15725014

申请日：2017-10-04

Applicant: YANGTZE OPTICAL FIBRE AND CABLE JOINT STOCK LIMITED COMPANY

Inventor： Lei ZHANG ,  Shengya LONG ,  Jihong ZHU ,  Jun WU ,  Ruichun WANG

IPC: G02B6/036 ,  C03C13/04

CPC classification number: G02B6/03683 ,  C03C3/06 ,  C03C13/045 ,  C03C13/046 ,  C03C2201/12 ,  C03C2201/31 ,  C03C2201/32 ,  C03C2201/42 ,  C03C2201/50 ,  C03C2201/54 ,  C03C2213/00 ,  G02B6/02009

Abstract: A doping optimized single-mode optical fiber with ultra low attenuation includes a core layer and cladding layers. The cladding layers has an inner cladding layer surrounding the core layer, a trench cladding layer surrounding the inner cladding layer, an auxiliary outer cladding layer surrounding the trench cladding layer, and an outer cladding layer surrounding the auxiliary outer cladding layer. The content of fluorine in the core layer is ≦0.5 wt %, ΔGe≦0.12%, Δn1≦0.12%. The content of fluorine in the inner cladding layer is 0.5-1.5 wt %, Δn2≦−0.14%. The content of fluorine in the trench cladding layer is 1-3 wt %, Δn3≦−0.25%. The content of fluorine in the auxiliary outer cladding layer is 0.5-2 wt %, Δn4≦−0.14%. The outer cladding layer is a pure silicon dioxide glass layer and/or a metal-doped silicon dioxide glass layer.

公开(公告)号：US20170371096A1

公开(公告)日：2017-12-28

申请号：US15700493

申请日：2017-09-11

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Hirotaka SAKUMA ,  Yoshiaki TAMURA ,  Keisei MORITA

IPC: G02B6/02 ,  C03B37/014 ,  C03C13/04

CPC classification number: G02B6/02 ,  C03B37/01211 ,  C03B37/01228 ,  C03B37/01248 ,  C03B37/014 ,  C03B37/01453 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/50 ,  C03B2201/54 ,  C03B2203/22 ,  C03C3/06 ,  C03C13/042 ,  C03C13/045 ,  C03C25/607 ,  C03C2201/11 ,  C03C2201/12 ,  C03C2201/50 ,  C03C2201/54

Abstract: An optical fiber containing alkali metal elements or the like in which Rayleigh scattering loss can be reduced is provided. An optical fiber includes a core composed of silica glass and a cladding which surrounds the core, has a refractive index lower than a refractive index of the core, and is composed of silica glass containing fluorine. The core contains a first group of dopants and a second group of dopants having a diffusion coefficient lower than a diffusion coefficient of the first group of dopants. The difference between the maximum value and the minimum value of residual stress in the optical fiber is 150 MPa or less.

公开(公告)号：US20170108642A1

公开(公告)日：2017-04-20

申请号：US15290105

申请日：2016-10-11

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Yoshiaki TAMURA ,  Tetsuya HARUNA ,  Masaaki HIRANO ,  Hirotaka SAKUMA

IPC: G02B6/036 ,  C03C13/04

CPC classification number: G02B6/03694 ,  C03C13/045 ,  C03C13/046 ,  C03C2201/11 ,  C03C2201/12 ,  C03C2201/50 ,  C03C2201/54 ,  C03C2213/00 ,  G02B6/03611

Abstract: An optical fiber having a reduced attenuation includes a silica glass core and a silica glass cladding. The silica glass core has substantially no germanium and includes a first core and a second core. The second core encloses the first core, the refractive index of the second core is larger than the refractive index of the first core, and the average value of halogen concentration of the second core is 5000 ppm or more. The silica glass cladding surrounds the second core and contains substantially no gemianium. The refractive index of the cladding is smaller than the refractive index of the first core.

公开(公告)号：US20160168010A1

公开(公告)日：2016-06-16

申请号：US14958024

申请日：2015-12-03

Applicant: Corning Incorporated

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

IPC: C03C3/06 ,  C03B25/02 ,  C03B19/14 ,  C03C3/112 ,  C03C4/00

CPC classification number: C03C3/06 ,  C03B19/1453 ,  C03B19/1461 ,  C03B25/02 ,  C03B2201/07 ,  C03B2201/075 ,  C03B2201/12 ,  C03B2201/14 ,  C03B2201/23 ,  C03B2201/32 ,  C03B2201/40 ,  C03B2201/42 ,  C03B2201/50 ,  C03B2201/54 ,  C03C3/112 ,  C03C4/00 ,  C03C2201/12 ,  C03C2201/14 ,  C03C2201/32 ,  C03C2201/40 ,  C03C2201/42 ,  C03C2201/50 ,  C03C2201/54 ,  C03C2203/52

Abstract: A doped silica-titania glass article is provided that includes a glass article having a glass composition comprising (i) a silica-titania base glass, (ii) a fluorine dopant, and (iii) a second dopant. The fluorine dopant has a concentration of fluorine of up to 5 wt. % and the second dopant comprises one or more oxides selected from the group consisting of Al, Nb, Ta, B, Na, K, Mg, Ca and Li oxides at a total oxide concentration from 50 ppm to 6 wt. %. Further, the glass article has an expansivity slope of less than 0.5 ppb/K2 at 20° C. The second dopant can be optional. The composition of the glass article may also contain an OH concentration of less than 100 ppm.

Abstract translation: 提供掺杂二氧化硅 - 二氧化钛玻璃制品，其包括具有玻璃组合物的玻璃制品，所述玻璃组合物包含（i）二氧化硅 - 二氧化钛基底玻璃，（ii）氟掺杂剂和（iii）第二掺杂剂。 氟掺杂剂的氟浓度高达5wt。 ％，第二掺杂剂包含一种或多种选自Al，Nb，Ta，B，Na，K，Mg，Ca和Li氧化物的氧化物，其总氧化物浓度为50ppm至6wt。 ％。 此外，玻璃制品在20℃下具有小于0.5ppb / K 2的膨胀斜率。第二掺杂剂可以是任选的。 玻璃制品的组成也可以含有小于100ppm的OH浓度。

公开(公告)号：US07226508B2

公开(公告)日：2007-06-05

申请号：US10512114

申请日：2003-04-03

Applicant: Gabriele Korus ,  Martin Arndt ,  Hilmar Laudahn ,  Manfred Schwarzbauer

Inventor： Gabriele Korus ,  Martin Arndt ,  Hilmar Laudahn ,  Manfred Schwarzbauer

IPC: C30B25/20

CPC classification number: C30B15/10 ,  C03B19/095 ,  C03C3/06 ,  C03C10/0009 ,  C03C2201/40 ,  C03C2201/54 ,  Y10T117/10

Abstract: A known quartz glass crucible for crystal pulling consists of a crucible wall, having an outer layer which is provided in an external area thereof with a crystallisation promoter which results in crystallisation of quartz glass, forming cristobalite when the quartz glass crucible is heated according to specified use in crystal pulling. The aim of the invention is to provide a quartz glass crucible which has a long service life. As a result, the crystallisation promoter contains, in addition to a silicon, a first component which acts as a reticulating agent in quartz glass and a second component which is free of alkali metals and which acts as an agent forming separating points in quartz glass. The above mentioned components are contained and incorporated into a doping area (8) of the outer layer (6) having a layer thickness of more than 0.2 mm.

Abstract translation: 已知的用于晶体拉制的石英玻璃坩埚由坩埚壁组成，外壁具有结晶促进剂，结晶促进剂导致石英玻璃结晶，当石英玻璃坩埚根据规定加热时形成方英石 用于水晶拉。 本发明的目的是提供一种使用寿命长的石英玻璃坩埚。 结果，除了硅之外，结晶促进剂还含有在石英玻璃中充当网状剂的第一组分和不含碱金属的第二组分，其作为在石英玻璃中形成分离点的试剂。 上述组分被包含并且结合到层厚度大于0.2mm的外层（6）的掺杂区域（8）中。

公开(公告)号：US5808411A

公开(公告)日：1998-09-15

申请号：US759439

申请日：1996-12-05

Applicant: Manfred Deisenhofer ,  Dieter Meiss ,  Ekkehard Messner

Inventor： Manfred Deisenhofer ,  Dieter Meiss ,  Ekkehard Messner

IPC: C03C3/06 ,  C03C4/08 ,  C09K11/77 ,  H01J61/30 ,  H01J1/62 ,  H01J63/04

CPC classification number: H01J61/302 ,  C03C3/06 ,  C03C4/085 ,  C09K11/7706 ,  C03C2201/10 ,  C03C2201/32 ,  C03C2201/3423 ,  C03C2201/42 ,  C03C2201/54

Abstract: To inhibit, or at least sharply attenuate, fluorescence of a quartz-glass velope (10) surrounding a light source (11), such as a halogen incandescent lamp, a high-pressure discharge lamp, or the like, when the quartz glass is subjected to ultraviolet (UV) radiation from the light source, and has been doped with a UV radiation absorbing material, typically a cerium, or cerium-titanium doping, the quartz-glass envelope is additionally doped with barium and boron. The barium/boron in the doping is, preferably, present in quantities of between about 0.008 and 1.25%, by weight, with reference to the undoped quartz glass. Barium metaborate can be used, optionally together with praseodymium to attenuate the fluorescence. Preferably, barium and boron form a combined doping substance with cerium, in form of a cerium aluminate and metaborate, added to the starting material for the quartz glass, and before the quartz glass is fused from quartz sand or pulverized quartz crystal.

Abstract translation: 为了抑制或至少急剧衰减围绕光源（11）的石英玻璃外壳（10）的荧光，例如卤素白炽灯，高压放电灯等，当石英玻璃是 经受来自光源的紫外（UV）辐射，并且已经掺杂有紫外线吸收材料，通常为铈或铈 - 钛掺杂，石英玻璃外壳另外掺杂有钡和硼。 相对于未掺杂的石英玻璃，掺杂中的钡/硼优选以约0.008和1.25重量％的量存在。 可以使用偏硼酸钡，任选地与镨一起减弱荧光。 优选地，钡和硼与被添加到石英玻璃的起始材料中以及石英玻璃从石英砂或粉碎的石英晶体熔融之前形成具有铈铝酸盐和偏硼酸铈形式的铈的组合掺杂物质。

公开(公告)号：US4778777A

公开(公告)日：1988-10-18

申请号：US917561

申请日：1986-10-10

Applicant: Kiyohisa Eguchi ,  Hiroshi Tanaka ,  Tetsuo Yazawa ,  Takao Yamaguro

Inventor： Kiyohisa Eguchi ,  Hiroshi Tanaka ,  Tetsuo Yazawa ,  Takao Yamaguro

IPC: C03B23/04 ,  B01D71/04 ,  B01J20/06 ,  B01J20/291 ,  C03B32/00 ,  C03C3/06 ,  C03C3/076 ,  C03C3/089 ,  C03C11/00 ,  C03C3/093

CPC classification number: B01J20/291 ,  B01D71/04 ,  B01J20/06 ,  C03C11/005 ,  C03C3/06 ,  C03C3/076 ,  B01J2220/54 ,  C03C2201/32 ,  C03C2201/40 ,  C03C2201/50 ,  C03C2201/54 ,  C03C2203/10

Abstract: A chemically durable porous glass of which the skeleton mainly comprises SiO.sub.2 -ZrO.sub.2 system glass having a ZrO.sub.2 content of 2 or more wt %, and a process for the production of such glass.

Abstract translation: 一种化学耐久的多孔玻璃，其骨架主要包含ZrO 2含量为2重量％以上的SiO 2 -ZrO 2系玻璃，以及这种玻璃的制造方法。

公开(公告)号：US2974649A

公开(公告)日：1961-03-14

申请号：US23258651

申请日：1951-06-20

Applicant: GIOVANNI ROSSI

Inventor： GIOVANNI ROSSI

IPC: C03C3/06 ,  C03C3/087 ,  C03C3/093 ,  F22B17/12 ,  F22B21/00 ,  F22B21/34 ,  F22B37/00 ,  F22B37/28 ,  F22D1/02 ,  F28D7/00 ,  H01J61/30

CPC classification number: C03C3/06 ,  C03C3/087 ,  C03C3/093 ,  C03C2201/10 ,  C03C2201/32 ,  C03C2201/40 ,  C03C2201/54 ,  C03C2203/10 ,  F22B17/12 ,  F22B21/00 ,  F22B21/34 ,  F22B37/00 ,  F22B37/28 ,  F22D1/02 ,  F28D7/0041 ,  H01J61/302

公开(公告)号：US11708290B2

公开(公告)日：2023-07-25

申请号：US16984379

申请日：2020-08-04

Applicant: Heraeus Quarzglas GmbH & Co. KG

Inventor： Matthias Otter ,  Walter Lehmann ,  Michael Hünermann ,  Nils Christian Nielsen ,  Nigel Robert Whippey ,  Boris Gromann ,  Abdoul-Gafar Kpebane ,  Matthias Söhn

IPC: C03B20/00 ,  C03B37/012 ,  C03C3/06 ,  C03B17/04 ,  C03B19/10 ,  C03C12/00 ,  C03C1/02 ,  C03B37/027

CPC classification number: C03B20/00 ,  C03B17/04 ,  C03B19/106 ,  C03B19/1095 ,  C03B37/01211 ,  C03B37/027 ,  C03C1/022 ,  C03C1/026 ,  C03C3/06 ,  C03C12/00 ,  C03B2201/04 ,  C03C2201/02 ,  C03C2201/11 ,  C03C2201/23 ,  C03C2201/26 ,  C03C2201/32 ,  C03C2201/40 ,  C03C2201/54 ,  C03C2203/10 ,  C03C2203/40 ,  C03C2203/44 ,  C03C2203/50

Abstract: One aspect relates to a process for the preparation of a quartz glass body, including providing a silicon dioxide granulate, wherein the silicon dioxide granulate was made from pyrogenic silicon dioxide powder and the silicon dioxide granulate has a BET surface area in a range from 20 to 40 m2/g, making a glass melt out of silicon dioxide granulate in an oven and making a quartz glass body out of at least part of the glass melt. The oven has at least a first and a further chamber connected to one another via a passage. The temperature in the first chamber is lower than the temperature in the further chambers. On aspect relates to a quartz glass body which is obtainable by this process. One aspect relates to a light guide, an illuminant and a formed body, which are each obtainable by further processing of the quartz glass body.

公开(公告)号：US20180194112A1

公开(公告)日：2018-07-12

申请号：US15738103

申请日：2016-09-29

Applicant: SAINT-GOBAIN GLASS FRANCE

Inventor： Armand AJDARI ,  Dieter LINNHOEFER ,  Benjamin KREBS

IPC: B32B17/10 ,  C03C3/083

CPC classification number: B32B17/10036 ,  B32B17/10137 ,  B32B17/10761 ,  B32B17/1077 ,  B32B17/10788 ,  B32B2250/05 ,  B32B2307/102 ,  B32B2329/06 ,  B32B2605/006 ,  B60R13/0815 ,  C03C3/083 ,  C03C27/10 ,  C03C2201/32 ,  C03C2201/50 ,  C03C2201/54

Abstract: A vehicular laminated glass for separating a vehicle interior from an external environment is presented. The laminated glass includes inner and outer panes made of glass and having respective thicknesses of less than or equal to 0.4 mm, and greater than or equal to 1.5 mm, and an acoustically damping intermediate layer that bonds the inner pane to the outer pane. According to one aspect, the acoustically damping intermediate layer has two outer polymeric layers between which an inner polymeric layer is positioned, the outer polymeric layers having lower elasticity or plasticity than the inner polymeric layer. According to another aspect, the inner polymeric layer has a thickness of 0.05 mm to 0.40 mm, each of the outer polymeric layers have a thickness of 0.20 mm to 0.60 mm, and the total thickness of the acoustically damping intermediate layer is at least 0.70 mm.