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：US09650287B2

公开(公告)日：2017-05-16

申请号：US14564788

申请日：2014-12-09

Applicant: Platinum Optics Technology Inc.

Inventor： Chih-Chun Chiang

IPC: C03C3/078 ,  C03C4/02 ,  C03C3/089 ,  C03C4/10 ,  C03B19/02 ,  C03B25/02

CPC classification number: C03C4/02 ,  C03B19/02 ,  C03B25/02 ,  C03B2201/10 ,  C03B2201/30 ,  C03B2201/50 ,  C03B2201/54 ,  C03B2201/58 ,  C03C3/078 ,  C03C3/089 ,  C03C4/10 ,  C03C2204/00

Abstract: The present disclosure illustrates a composition of a visible light and infrared light transmitting optical colored glass. The chalcogenide semiconductor compound Cu2ZnSnS4 or Cu2ZnSnSe4 is added in the silicate glass system composition, to adjust color and the optical property of the glass. The glass made of this composition has a characteristic of the visible light and infrared light transmitting in a wavelength of range 400 nm to 1200 nm.

公开(公告)号：US20160347642A1

公开(公告)日：2016-12-01

申请号：US15203295

申请日：2016-07-06

Applicant: HASS CO., LTD.

Inventor： Yong su KIM ,  Hyun jun JEON ,  Hyung bong LIM ,  Kyung sik OH ,  Sung ho HA ,  Cheol young KIM ,  Joon hyung KIM ,  Young pyo HONG

IPC: C03B32/02 ,  C03B19/02 ,  A61C13/20 ,  C03B23/20 ,  A61C5/10 ,  A61C13/00 ,  C03C10/00 ,  C03C19/00

CPC classification number: C03B32/02 ,  A61C5/77 ,  A61C13/0006 ,  A61C13/082 ,  A61C13/20 ,  A61K6/024 ,  A61K6/0273 ,  A61K6/0612 ,  C03B19/02 ,  C03B19/025 ,  C03B23/20 ,  C03B2201/28 ,  C03B2201/32 ,  C03B2201/40 ,  C03B2201/50 ,  C03B2201/54 ,  C03C3/097 ,  C03C4/02 ,  C03C10/0027

Abstract: Provided is lithium disilicate crystalline glass containing cristobalite crystal phase for high strength and aesthetic traits and its manufacturing process thereof. Exemplary embodiments of the present invention provide the high strength and aesthetic lithium disilicate crystalline glass, one kind of dental restoration materials, and its manufacturing method which induces the growth of the different crystal phase, cristobalite, from glass with lithium disilicate crystal.

Abstract translation: 本发明提供的含有方英石结晶相的二硅酸锂晶体玻璃具有高的强度和美学特性及其制造方法。 本发明的示例性实施方案提供了高强度和美观的二硅酸锂晶体玻璃，一种牙科修复材料及其制造方法，其从具有二硅酸锂晶体的玻璃中诱导不同晶相，方英石的生长。

公开(公告)号：US09411095B2

公开(公告)日：2016-08-09

申请号：US14765110

申请日：2014-01-28

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Yoshiaki Tamura ,  Tetsuya Haruna ,  Masaaki Hirano

IPC: G02B6/02 ,  C03B37/018 ,  C03B37/012 ,  C03C13/04

CPC classification number: G02B6/0229 ,  C03B37/01248 ,  C03B37/01807 ,  C03B37/01869 ,  C03B2201/20 ,  C03B2201/50 ,  C03B2203/22 ,  C03B2203/23 ,  C03C13/045 ,  C03C2201/11 ,  C03C2201/50 ,  G02B6/02395

Abstract: An optical fiber preform which can be drawn into a low attenuation optical fiber is provided with a core portion and a cladding portion surrounding the core portion. The core portion includes a first core portion and a second core portion surrounding the first core portion. The cladding portion includes a first cladding portion surrounding the second core portion and a second cladding portion surrounding the first cladding portion. The first core portion contains an alkali metal element, the concentration of oxygen molecules contained in glass is 30 mol ppb or more and 200 mol ppb or less in a part of or entire region having an alkali metal atom concentration of 100 atomic ppm or more, and the concentration of oxygen molecules contained in glass is 10 mol ppb or less in a region having an alkali metal atom concentration of 50 atomic ppm or less.

Abstract translation: 可以拉入低衰减光纤的光纤预制件设置有芯部和围绕芯部的包层部。 芯部包括第一芯部分和围绕第一芯部分的第二芯部分。 包层部分包括围绕第二芯部的第一包层部分和围绕第一包层部分的第二包层部分。 第一核心部分含有碱金属元素，在碱金属原子浓度为100原子ppm以上的部分或全部区域中，玻璃中含有的氧分子的浓度为30摩尔ppb以上且200摩尔ppb以下， 并且在碱金属原子浓度为50原子ppm以下的区域中，玻璃中含有的氧分子的浓度为10摩尔ppb以下。

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：US20160147010A1

公开(公告)日：2016-05-26

申请号：US14943190

申请日：2015-11-17

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Yoshiaki TAMURA ,  Tetsuya HARUNA ,  Yoshihiro SAITO ,  Yuki KAWAGUCHI ,  Masaaki HIRANO

IPC: G02B6/02

CPC classification number: G02B6/02 ,  C03B37/01211 ,  C03B37/014 ,  C03B37/01807 ,  C03B37/01861 ,  C03B37/01892 ,  C03B2201/06 ,  C03B2201/07 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/50 ,  C03B2203/22 ,  C03B2203/26 ,  C03B2205/40 ,  C03C3/06 ,  C03C13/045 ,  C03C2201/11 ,  C03C2201/12 ,  C03C2201/50 ,  C03C2203/40

Abstract: An optical fiber containing an alkali metal and capable of reducing Rayleigh scattering loss is provided. An optical fiber has a core and a cladding made of silica glass and enclosing the core. The cladding contains fluorine and has a refractive index lower than the refractive index of the core. The core contains first group dopants selected from the group of Na element, K element, or a compound thereof at an average concentration of 0.2 ppm or more and 10 ppm or less. The core also contains second group dopants for reducing the viscosity of silica glass and having a diffusion coefficient of 1×10−12 cm2/s or more and smaller than the diffusion coefficient of the first group dopants, by an average concentration of 0.2 ppm or more at a temperature of 2000° C. to 2300° C.

Abstract translation: 提供含有碱金属并能够降低瑞利散射损失的光纤。 光纤具有由石英玻璃制成的芯和包层，并且包围芯。 包层含氟，折射率低于芯的折射率。 核心包含平均浓度为0.2ppm以上且10ppm以下的选自Na元素，K元素或其化合物的第一族掺杂剂。 该芯还含有第二组掺杂剂，用于降低石英玻璃的粘度，并且扩散系数为1×10-12cm2 / s以上且小于第一组掺杂剂的扩散系数，平均浓度为0.2ppm或 更高温度在2000°C至2300°C

公开(公告)号：US09340444B2

公开(公告)日：2016-05-17

申请号：US14376929

申请日：2012-12-13

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Masaaki Hirano ,  Tetsuya Haruna ,  Yoshiaki Tamura

IPC: G02B6/00 ,  C03B37/018 ,  G02B6/02

CPC classification number: C03B37/01815 ,  C03B37/01807 ,  C03B2201/075 ,  C03B2201/08 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/50 ,  C03B2207/90 ,  G02B6/02

Abstract: A method includes (1) a thermal diffusion process for using an alkali metal salt raw material having an average particle size of 1 mm or less in diameter, supplying a vapor of the alkali metal salt produced by heating the alkali metal salt raw material together with a carrier gas to the inside of a silica-based glass pipe from one end side of the glass pipe, and heating the glass pipe using a heat source which relatively moves in a longitudinal direction of the glass pipe to cause an oxidation reaction of an alkali metal and thermally diffuse the alkali metal into an inner side of the glass pipe, (2) a collapsing process for collapsing the glass pipe after the thermal diffusion process to prepare a core rod; and (3) a cladding portion addition process for adding a cladding portion around the core rod prepared in the collapsing process.

Abstract translation: 一种方法包括：（1）使用平均粒径为1mm以下的碱金属盐原料的热扩散法，将碱金属盐原料加热生成的碱金属盐蒸气与 从玻璃管的一端侧向二氧化硅系玻璃管的内部输送载气，使用在玻璃管的长度方向相对移动的热源来加热玻璃管，引起碱的氧化反应 金属并将碱金属热扩散到玻璃管的内侧，（2）在热扩散过程之后使玻璃管塌缩的塌缩过程以制备芯棒; 和（3）包层部分添加工艺，用于在折叠过程中制备的芯棒周围添加包层部分。

公开(公告)号：US20160060157A1

公开(公告)日：2016-03-03

申请号：US14564788

申请日：2014-12-09

Applicant: Platinum Optics Technology Inc.

Inventor： Chih-Chun CHIANG

IPC: C03C4/02 ,  C03B25/02 ,  C03B19/02 ,  C03C3/089 ,  C03C4/10

CPC classification number: C03C4/02 ,  C03B19/02 ,  C03B25/02 ,  C03B2201/10 ,  C03B2201/30 ,  C03B2201/50 ,  C03B2201/54 ,  C03B2201/58 ,  C03C3/078 ,  C03C3/089 ,  C03C4/10 ,  C03C2204/00

Abstract: The present disclosure illustrates a composition of a visible light and infrared light transmitting optical colored glass. The chalcogenide semiconductor compound Cu2ZnSnS4 or Cu2ZnSnSe4 is added in the silicate glass system composition, to adjust color and the optical property of the glass. The glass made of this composition has a characteristic of the visible light and infrared light transmitting in a wavelength of range 400 nm to 1200 nm.

Abstract translation: 本公开示出了可见光和红外光透射光学着色玻璃的组成。 在硅酸盐玻璃体系组合物中加入硫族化物半导体化合物Cu2ZnSnS4或Cu2ZnSnSe4，以调节玻璃的颜色和光学性质。 由该组合物制成的玻璃具有在400nm至1200nm的波长范围内透射的可见光和红外光的特性。

公开(公告)号：US20150316712A1

公开(公告)日：2015-11-05

申请号：US14314394

申请日：2014-06-25

Applicant: CORNING INCORPORATED

Inventor： James Gary Anderson ,  Dana Craig Bookbinder ,  Lisa Carine Chacon ,  Calvin Thomas Coffey ,  Adam James Ellison ,  Gregory Gerard Gausman ,  Rostislav Radiyevich Khrapko ,  Stephan Lvovich Logunov ,  Michael Thomas Murtagh ,  Clinton Damon Osterhout ,  Sabyasachi Sen ,  William Anthony Whedon

IPC: G02B6/02 ,  C03B37/018 ,  C03B37/027 ,  C03B37/014 ,  G02B6/028 ,  C03B37/012

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 (d1) 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：US20150299022A1

公开(公告)日：2015-10-22

申请号：US14376929

申请日：2012-12-13

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Masaaki HIRANO ,  Tetsuya HARUNA ,  Yoshiaki TAMURA

IPC: C03B37/018 ,  G02B6/02

CPC classification number: C03B37/01815 ,  C03B37/01807 ,  C03B2201/075 ,  C03B2201/08 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/50 ,  C03B2207/90 ,  G02B6/02

Abstract: A method includes (1) a thermal diffusion process for using an alkali metal salt raw material having an average particle size of 1 mm or less in diameter, supplying a vapor of the alkali metal salt produced by heating the alkali metal salt raw material together with a carrier gas to the inside of a silica-based glass pipe from one end side of the glass pipe, and heating the glass pipe using a heat source which relatively moves in a longitudinal direction of the glass pipe to cause an oxidation reaction of an alkali metal and thermally diffuse the alkali metal into an inner side of the glass pipe, (2) a collapsing process for collapsing the glass pipe after the thermal diffusion process to prepare a core rod; and (3) a cladding portion addition process for adding a cladding portion around the core rod prepared in the collapsing process.

Abstract translation: 一种方法包括：（1）使用平均粒径为1mm以下的碱金属盐原料的热扩散法，将碱金属盐原料加热生成的碱金属盐蒸气与 从玻璃管的一端侧向二氧化硅系玻璃管的内部输送载气，使用在玻璃管的长度方向相对移动的热源来加热玻璃管，引起碱的氧化反应 金属并将碱金属热扩散到玻璃管的内侧，（2）在热扩散过程之后使玻璃管塌缩的塌缩过程以制备芯棒; 和（3）包层部分添加工艺，用于在折叠过程中制备的芯棒周围添加包层部分。