公开(公告)号：US4659512A

公开(公告)日：1987-04-21

申请号：US563840

申请日：1983-12-21

Applicant: Pedro B. Macedo ,  Aaron Barkatt

Inventor： Pedro B. Macedo ,  Aaron Barkatt

IPC: B01D15/00 ,  C02F1/28 ,  C02F1/42 ,  C02F1/68 ,  G21F9/12 ,  B01J20/00 ,  C01G1/00

CPC classification number: C03C1/002 ,  C02F1/288 ,  C02F1/683 ,  C03C11/005 ,  C03C21/001 ,  C03C23/0095 ,  C03C3/06 ,  C03C3/061 ,  C03C3/089 ,  G21F9/12 ,  C02F2101/006 ,  C03C2201/10 ,  C03C2201/20 ,  C03C2201/50

Abstract: A process for removing metal species from solution comprising passing the liquid over a composition comprising a support such as a porous silicate glass or silica gel or charcoal having interconnected pores and containing water soluble amine complexing agents absorbed on the support capable of forming a stable complex with the metal species. The preferred amine complexing agent is triethylenetetramine. The process is especially useful for removing radioactive cobalt from liquid waste streams.

Abstract translation: 一种用于从溶液中除去金属物质的方法，包括将液体通过包含诸如多孔硅酸盐玻璃或硅胶的载体或具有互连孔的载体的组合物，并且含有吸收在能够形成稳定配合物的载体上的水溶性胺络合剂的组合物 金属物种。 优选的胺络合剂是三亚乙基四胺。 该方法特别适用于从废液流中除去放射性钴。

公开(公告)号：US4528010A

公开(公告)日：1985-07-09

申请号：US584968

申请日：1984-02-29

Applicant: Takao Edahiro ,  Nobuo Inagaki ,  Shiro Kurosaki

Inventor： Takao Edahiro ,  Nobuo Inagaki ,  Shiro Kurosaki

IPC: C01B33/187 ,  C03B8/02 ,  C03B37/016 ,  C03C3/04 ,  C03C3/06 ,  C03C23/00 ,  G02B6/00 ,  C03B19/06

CPC classification number: C03C23/008 ,  C03B37/016 ,  C03C3/06 ,  C03B2201/30 ,  C03B2201/50 ,  C03C2201/50 ,  C03C2203/24 ,  C03C2203/36 ,  Y10S65/901

Abstract: A process for producing an optical glass product having a predetermined distribution of refractive index in the interior of the product is disclosed. The process comprises the steps of:(a) preparing an aqueous silicate solution containing from about 0.1 to about 0.6 mol/liter of Si (as SiO.sub.2) comprising silicic acid and at least one element selected from the group consisting of rubidium, thallium and cesium;(b) mixing the silicate solution with an acidic aqueous solution, and letting the two solutions react with each other for a period of time sufficient for polymerization to produce a porous gelled product wherein the silica particles are agglomerated;(c) leaching the gelled product with a liquid selected from the group consisting of water, a weakly acidic aqueous solution, an aqueous solution having an alkali metal salt dissolved therein and an aqueous solution of organic matter capable of dissolving Rb.sub.2 O, Cs.sub.2 O, or Tl.sub.2 O, unitl the center of the product starts to dissolve; and(d) drying the leached product in a predetermined atmosphere, and further heating the partially leached gelled product at a temperature sufficiently high to eliminate the particulate material but lower than the melting point of the silica.

Abstract translation: 公开了一种在产品内部具有预定折射率分布的光学玻璃制品的制造方法。 该方法包括以下步骤：（a）制备含有约0.1至约0.6mol /升包含硅酸的Si（作为SiO 2）和选自铷，铊和铯中的至少一种元素的硅酸盐水溶液 ; （b）将硅酸盐溶液与酸性水溶液混合，并使两种溶液彼此反应一段足以聚合的时间以产生多孔凝胶产物，其中二氧化硅颗粒凝聚; （c）用选自水，弱酸性水溶液，溶解有碱金属盐的水溶液和能够溶解Rb 2 O，Cs 2 O或T 1/2的有机物水溶液的液体浸出凝胶状产品 ，产品中心开始溶解; 和（d）在预定的气氛中干燥浸出的产品，并且在足够高的温度下进一步加热部分浸出的凝胶产品以消除颗粒材料但低于二氧化硅的熔点。

公开(公告)号：US1652259A

公开(公告)日：1927-12-13

申请号：US55078622

申请日：1922-04-08

Applicant: CORNING GLASS WORKS

Inventor： CHITTENDEN TAYLOR WILLIAM

IPC: C03C3/06 ,  C03C3/089 ,  C03C3/091 ,  C03C4/00

CPC classification number: C03C4/005 ,  C03C3/06 ,  C03C3/089 ,  C03C3/091 ,  C03C4/00 ,  C03C2201/10 ,  C03C2201/32 ,  C03C2201/50 ,  C03C2203/10 ,  C03C2204/04

公开(公告)号：KR101066281B1

公开(公告)日：2011-09-20

申请号：KR1020067004045

申请日：2004-08-27

Applicant: 코닝 인코포레이티드

Inventor： 코피,칼빈,티. ,  앤더슨,제임스,쥐. ,  북바인더,다나,씨. ,  차콘,리사,씨. ,  엘리슨,아담,제이. ,  가우스만,그레고리,쥐. ,  크라프코,로스티슬라브,알. ,  로거노브,스테판,엘. ,  머타프,마이클,티. ,  오스테르하우트,클린턴,디. ,  사비아사치,센 ,  웨던,윌리암,에이.

IPC: G02B6/02 ,  G02B6/036 ,  C03B37/012 ,  C03B37/014

CPC classification number: G02B6/0228 ,  C03B37/01211 ,  C03B37/0124 ,  C03B37/014 ,  C03B37/01413 ,  C03B37/01446 ,  C03B37/0146 ,  C03B37/01466 ,  C03B37/01473 ,  C03B37/01807 ,  C03B37/01815 ,  C03B37/01838 ,  C03B37/01853 ,  C03B37/027 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/22 ,  C03B2201/31 ,  C03B2201/50 ,  C03B2203/22 ,  C03B2203/26 ,  C03B2203/29 ,  C03B2207/90 ,  C03C3/06 ,  C03C13/045 ,  C03C13/046 ,  C03C13/048 ,  C03C2201/12 ,  C03C2201/31 ,  C03C2201/50 ,  G02B6/02242 ,  G02B6/02271 ,  G02B6/028 ,  G02B6/03611 ,  G02B6/03644 ,  G02B6/03694 ,  Y10T428/294

Abstract: 본 발명은 0.002중량%를 초과하고 0.1중량% 미만의 최대량(peak amount)을 갖는 알칼리 금속 산화물 도펀트를 갖는 코어를 갖는 광섬유에 관한 것이다. 상기 알칼리 금속 산화물의 농도는 광섬유의 반경에 따라 변화한다. 코어와 클래딩의 알칼리 금속 산화물 도펀트의 대략적인 농도를 선택함으로써, 저 손실 광섬유를 얻을 수 있다. 본 발명에서는 또한 알칼리 금속 산화물-도핑된 로드를 형성시키는 단계, 및 추가 유리를 부가하여 인발 프리폼(draw preform)을 형성시키는 단계를 포함하는 광섬유의 몇 가지 제조방법이 제공된다. 바람직하게는, 상기 인발 프리폼은 최외부 디멘전(d2)를 가지며, 여기서 상기 로드의 외부 디멘전(d1)은 최외부 디멘전(d2)의 0.06배 이하의 값을 갖는다. 바람직한 구체예에서, 상기 알칼리 금속 산화물-도핑 로드는 프리폼의 중앙선 홀에 삽입되어 어셈블리를 형성한다.
광섬유, 알칼리 금속 산화물, 도펀트, 코어, 클래딩

公开(公告)号：KR1020090057237A

公开(公告)日：2009-06-04

申请号：KR1020097004337

申请日：2007-09-11

Applicant: 토소가부시키가이샤 ,  토소 에스지엠 가부시키가이샤

Inventor： 아라이카즈요시 ,  타카하타츠토무 ,  하시모토신키치 ,  우치다마사토 ,  야마다노부스케 ,  하라다요시노리 ,  호리코시히데하루

IPC: C03C4/00

CPC classification number: C03C4/0085 ,  C03B19/066 ,  C03B20/00 ,  C03B2201/03 ,  C03B2201/04 ,  C03C3/06 ,  C03C4/10 ,  C03C2201/23 ,  C03C2201/50 ,  C03C2201/54 ,  Y02P40/57

Abstract: A fused quartz glass comprising OH in a content of 5 ppm or less and Li, Na, K, Mg, Ca and Cu each in a content of less than 0.1 ppm, exhibiting an internal transmittance, as measured at a thickness of 10 mm with respect to ultraviolet radiation of 245 nm wavelength, of 95% or greater. Preferably, the fused quartz glass exhibits a viscosity coefficient of 1011.5 Pa.s or greater at 1215°C, and exhibits a Cu ion diffusion coefficient, as measured in a region from over 20 mum up to 100 mum in a depth from the surface when left in atmosphere at 1050°C for 24 hours, of 1810-10 cm2/sec or below. This fused quartz glass is produced by converting a raw material silica powder to cristobalite and thereafter fusing the same in a nonreducing atmosphere. This fused quartz glass has the properties of being high in the transmittance of ultraviolet ray, visible light and infrared ray, being highly purified, having high heat resistance and being low in the diffusion velocity of metal impurities, so that it is suitable for use as various optical materials, members for semiconductor production, members for liquid crystal production, etc.

Abstract translation: 包含5ppm以下的OH和Li，Na，K，Mg，Ca和Cu的熔融石英玻璃，其含量小于0.1ppm，表现出内部透射率，以10mm的厚度测量， 相对于245nm波长的紫外线辐射，为95％以上。 优选地，熔融石英玻璃在1215℃下的粘度系数为1011.5Pa.s或更大，并且表现出在离表面深度超过20μm至100μm的区域中测量的Cu离子扩散系数， 在1050℃的大气中放置24小时，为1810-10cm2 / sec或更低。 该熔融石英玻璃通过将原料二氧化硅粉末转化为方英石，然后在非还原性气氛中将其熔融而制得。 该熔融石英玻璃具有紫外线，可见光和红外线的透射率高，高纯度，耐热性高，金属杂质扩散速度低的特性，因此适用于 各种光学材料，半导体制造用构件，液晶制造用构件等。

公开(公告)号：KR1020060123712A

公开(公告)日：2006-12-04

申请号：KR1020067004045

申请日：2004-08-27

Applicant: 코닝 인코포레이티드

Inventor： 코피,칼빈,티. ,  앤더슨,제임스,쥐. ,  북바인더,다나,씨. ,  차콘,리사,씨. ,  엘리슨,아담,제이. ,  가우스만,그레고리,쥐. ,  크라프코,로스티슬라브,알. ,  로거노브,스테판,엘. ,  머타프,마이클,티. ,  오스테르하우트,클린턴,디. ,  사비아사치,센 ,  웨던,윌리암,에이.

IPC: G02B6/02 ,  G02B6/036 ,  C03B37/012 ,  C03B37/014

CPC classification number: G02B6/0228 ,  C03B37/01211 ,  C03B37/0124 ,  C03B37/014 ,  C03B37/01413 ,  C03B37/01446 ,  C03B37/0146 ,  C03B37/01466 ,  C03B37/01473 ,  C03B37/01807 ,  C03B37/01815 ,  C03B37/01838 ,  C03B37/01853 ,  C03B37/027 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/22 ,  C03B2201/31 ,  C03B2201/50 ,  C03B2203/22 ,  C03B2203/26 ,  C03B2203/29 ,  C03B2207/90 ,  C03C3/06 ,  C03C13/045 ,  C03C13/046 ,  C03C13/048 ,  C03C2201/12 ,  C03C2201/31 ,  C03C2201/50 ,  G02B6/02242 ,  G02B6/02271 ,  G02B6/028 ,  G02B6/03611 ,  G02B6/03644 ,  G02B6/03694 ,  Y10T428/294

Abstract: Disclosed is an optical fiber having a core with an alkali metal oxide dopant in an peak amount greater than about 0.002 wt. % and less than about 0.1 wt. %. The alkali metal oxide concentration varies with a radius of the optical fiber. By appropriately selecting the concentration of alkali metal oxide dopant in the core and the cladding, a low loss optical fiber may be obtained. Also disclosed are several methods of making the optical fiber including the steps of forming an alkali metal oxide-doped rod, and adding additional glass to form a draw perform. Preferably, the draw preform has a final outer dimension (d2), wherein an outer dimension (dl) of the rod is less than or equal to 0.06 times the final outer dimension (d2). In a preferred embodiment, the alkali metal oxide-doped rod is inserted into the centerline hole of a preform to form an assembly.

Abstract translation: 公开了一种光纤，其具有具有大于约0.002重量％的峰值的碱金属氧化物掺杂剂的芯。 ％且小于约0.1wt。 ％。 碱金属氧化物浓度随着光纤的半径而变化。 通过适当地选择芯和包层中的碱金属氧化物掺杂剂的浓度，可以获得低损耗光纤。 还公开了几种制造光纤的方法，包括形成碱金属氧化物掺杂棒的步骤，并且添加额外的玻璃以形成拉伸性能。 优选地，拉伸预成型件具有最终外部尺寸（d2），其中杆的外部尺寸（d1）小于或等于最终外部尺寸（d2）的0.06倍。 在一个优选实施例中，将掺入碱金属氧化物的棒插入到预成型件的中心线孔中以形成组件。

公开(公告)号：US20240067562A1

公开(公告)日：2024-02-29

申请号：US18500505

申请日：2023-11-02

Applicant: CORNING INCORPORATED

Inventor： PETER JOSEPH LEZZI

IPC: C03C21/00 ,  C03C3/087

CPC classification number: C03C21/002 ,  C03C3/087 ,  C03C2201/50

Abstract: Ion-exchanged alkali aluminosilicate glass articles with a ratio of peak compressive stress value to Young's modulus value of 15 or more. The glass articles may include Al2O3 mol %+RO mol %≥17 mol %, where RO mol %=MgO mol %+CaO mol %, and be substantially free of ZnO, SrO, BaO, B2O3, P2O5, Li2O, and K2O. The glass articles may have a peak compressive stress value in a range of 500 MPa to 1300 MPa. The glass articles are suitable for various high-strength applications, including cover glass applications that experience significant bending stresses during use, for example, cover glasses for flexible displays.

公开(公告)号：US20230159383A1

公开(公告)日：2023-05-25

申请号：US18057381

申请日：2022-11-21

Applicant: SCHOTT AG ,  SCHOTT Technical Glass Solutions GmbH

Inventor： Sebastian Leukel ,  Jacqueline Engelmann

IPC: C03C21/00 ,  C03C4/10 ,  C03C3/085

CPC classification number: C03C21/002 ,  C03C4/10 ,  C03C3/085 ,  C03C2201/40 ,  C03C2201/50 ,  C03C2203/50

Abstract: A chemically toughenable or toughened sheet-like glass article is provided. The article has a glass with a composition comprising Al2O3, SiO2, Li2O, and Na2O, wherein (Al2O3)−(Li2O+Na2O), in mol %, is less than 0; a thickness between 0.3 mm and 4 mm; a light transmittance of at least 0.001% to at most 60% at 450 nm, of at least 0.001% to at most 30% at 540 nm, and of at least 0.001% to at most 30% at 630 nm; and an IR transmittance of at least 10% to not more than 99% at any wavelength in a wavelength range from 900 nm to 1100 nm. The light and IR transmittances are determined for a thickness of the article of 1 mm.

公开(公告)号：US09932265B2

公开(公告)日：2018-04-03

申请号：US15351782

申请日：2016-11-15

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Tetsuya Haruna ,  Masaaki Hirano ,  Yoshiaki Tamura ,  Tetsuya Nakanishi

IPC: C03C3/06 ,  G02B6/02 ,  C03C13/04 ,  C03B37/027

CPC classification number: C03C13/046 ,  C03B37/02727 ,  C03B2201/50 ,  C03B2205/55 ,  C03B2205/56 ,  C03C3/06 ,  C03C13/045 ,  C03C2201/21 ,  C03C2201/23 ,  C03C2201/50 ,  C03C2203/54 ,  G02B6/02395 ,  Y02P40/57

Abstract: There is provided a method for producing a low-loss alkali metal-doped silica core optical fiber having excellent hydrogen resistance. The method for producing the optical fiber according to the present invention includes a drawing step of drawing an optical fiber preform in a drawing furnace to produce a silica glass-based optical fiber including a core region containing an alkali metal with an average concentration of 0.5 atomic ppm or more and a cladding region that surrounds the core region and a heating step of heating the optical fiber in a heating furnace through which the optical fiber drawn from the drawing furnace passes.

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.