公开(公告)号：US11667557B2

公开(公告)日：2023-06-06

申请号：US17644083

申请日：2021-12-13

申请人： Shin-Etsu Chemical Co., Ltd.

发明人： Naoto Noda

IPC分类号： C03B37/014

CPC分类号： C03B37/0142 ,  C03B2207/22 ,  C03B2207/36 ,  C03B2207/81

摘要： A method and an apparatus for producing a porous glass preform by using organosiloxane raw material is provided. The apparatus for producing the porous glass preform 12 according to the present embodiment is configured to mix organosiloxane in a liquid state being a raw material with a carrier gas in a vaporizer 6, heat this mixture to be vaporized, supply this vapor to a burner 13 as a gas raw material, and produce a porous glass preform by depositing a glass fine particle produced by combusting the gas raw material on a starting material, herein the apparatus for producing a porous glass preform includes a moisture removing apparatus 8 configured to remove moisture in the carrier gas and supply the vaporizer with the carrier gas.

公开(公告)号：US08517721B2

公开(公告)日：2013-08-27

申请号：US12395061

申请日：2009-02-27

申请人： Makoto Yoshida

发明人： Makoto Yoshida

IPC分类号： C03B37/12

CPC分类号： C03B37/0142 ,  C03B2207/06 ,  C03B2207/08 ,  C03B2207/12 ,  C03B2207/14 ,  C03B2207/20 ,  C03B2207/22 ,  Y02P40/57

摘要： A burner for fabricating an optical fiber preform, which can suppress the adhesion and deposition of glass particles to the front end of the burner without enlarging the burner diameter, is provided. The burner has a first tube, a second tube and a third tube coaxially arranged and define a glass raw material gas port, a sealing gas port, and a burnable gas port by the front end portions thereof, and a plurality of small diameter nozzles arranged between the second tube and the third tube, each of the nozzles arranged on a concentric circle relative to the glass raw material gas port and defines a combustion assisting gas port by the front end portion thereof, the front end portion of the second tube protrudes ahead of that of the first tube, and the front end portion of the third tube protrudes ahead of those of the second tube and each of the nozzles.

摘要翻译： 提供一种用于制造光纤预制件的燃烧器，其可以抑制玻璃颗粒在燃烧器前端的粘附和沉积而不增加燃烧器直径。 燃烧器具有第一管，第二管和第三管，其同轴地布置并且通过其前端部分限定玻璃原料气体口，密封气体口和可燃气体口，并且布置有多个小直径喷嘴 在第二管和第三管之间，每个喷嘴相对于玻璃原料气体口布置在同心圆上，并且通过其前端部分限定燃烧辅助气体端口，第二管的前端部分向前突出 并且第三管的前端部突出于第二管和每个喷嘴的前端部。

公开(公告)号：US08375749B2

公开(公告)日：2013-02-19

申请号：US12630440

申请日：2009-12-03

申请人： Kentaro Ichii ,  Takakazu Gotoh ,  Naritoshi Yamada ,  Koichi Harada

发明人： Kentaro Ichii ,  Takakazu Gotoh ,  Naritoshi Yamada ,  Koichi Harada

IPC分类号： C03B37/018

CPC分类号： C03B37/0142 ,  C03B37/01413 ,  C03B2201/12 ,  C03B2203/22 ,  C03B2207/22 ,  C03B2207/36 ,  C03B2207/50 ,  Y02P40/57

摘要： A method for fabricating a porous silica preform includes the steps of supplying fuel gas for generating an oxyhydrogen flame to a glass synthesizing burner; supplying Gas A containing silicon and Gas B containing fluorine to the burner; synthesizing glass particles; and depositing the glass particles around a starting rod, in which when glass particles are deposited directly on the starting rod, a supply of Gas A and a supply of Gas B supplied to the burner are adjusted so that a ratio of the number of fluorine atoms to the number of silicon atoms in the gas supplied to the burner satisfies the following Formula (1): {(number of F atoms)/(number of Si atoms)}≦0.1  (1).

摘要翻译： 制造多孔二氧化硅预制件的方法包括以下步骤：向玻璃合成燃烧器提供产生氢氧焰的燃料气体; 将含有硅的气体A和含氟的气体B供应到燃烧器; 合成玻璃颗粒; 并且将玻璃颗粒沉积在起始棒周围，其中当玻璃颗粒直接沉积在起始棒上时，调节供应气体A和供应到燃烧器的气体B的供应，使得氟原子数 与供给到燃烧器的气体中的硅原子数相符合以下式（1）：{（F原子数）/（Si原子数）}＆nlE; 0.1（1）。

公开(公告)号：US20090214998A1

公开(公告)日：2009-08-27

申请号：US12395061

申请日：2009-02-27

申请人： Makoto YOSHIDA

发明人： Makoto YOSHIDA

IPC分类号： C03B37/012 ,  C03B37/018 ,  F23D14/46 ,  F23D14/62

CPC分类号： C03B37/0142 ,  C03B2207/06 ,  C03B2207/08 ,  C03B2207/12 ,  C03B2207/14 ,  C03B2207/20 ,  C03B2207/22 ,  Y02P40/57

摘要： A burner for fabricating an optical fiber preform, which can suppress the adhesion and deposition of glass particles to the front end of the burner without enlarging the burner diameter, is provided. The burner has a first tube, a second tube and a third tube coaxially arranged and define a glass raw material gas port, a sealing gas port, and a burnable gas port by the front end portions thereof, and a plurality of small diameter nozzles arranged between the second tube and the third tube, each of the nozzles arranged on a concentric circle relative to the glass raw material gas port and defines a combustion assisting gas port by the front end portion thereof, the front end portion of the second tube protrudes ahead of that of the first tube, and the front end portion of the third tube protrudes ahead of those of the second tube and each of the nozzles.

摘要翻译： 提供一种用于制造光纤预制件的燃烧器，其可以抑制玻璃颗粒在燃烧器前端的粘附和沉积而不增加燃烧器直径。 燃烧器具有第一管，第二管和第三管，其同轴地布置并且通过其前端部分限定玻璃原料气体口，密封气体口和可燃气体口，并且布置有多个小直径喷嘴 在第二管和第三管之间，每个喷嘴相对于玻璃原料气体口布置在同心圆上，并且通过其前端部分限定燃烧辅助气体端口，第二管的前端部分向前突出 并且第三管的前端部突出于第二管和每个喷嘴的前端部。

公开(公告)号：US07073354B2

公开(公告)日：2006-07-11

申请号：US10353279

申请日：2003-01-29

申请人： Manabu Saitou ,  Masahiro Horikoshi

发明人： Manabu Saitou ,  Masahiro Horikoshi

IPC分类号： C03B37/18

CPC分类号： C03B37/0142 ,  C03B2207/06 ,  C03B2207/12 ,  C03B2207/22 ,  C03B2207/70

摘要： The present invention provides an optical fiber preform manufacturing method and a burner apparatus employed for this method. In this manufacturing method, when glass particles are synthesized in an oxy-hydrogen flame emitted from a burner to form a porous optical fiber preform by depositing glass particles in the radial direction of a starting member, the relationship between the flow rate vm (m/sec) of a source material gas or a mixed gas of the source material gas and an additive gas discharged from the burner, and the flow rate vs (m/sec) of an inert gas is such that −0.06 vm+1.4≦vs≦−0.02 vm+1.8, and vs≧0.40, while the relationship between the flow volume Vm (1/min) of the source material gas discharged from the burner and the flow volume Vs (1/min) of the inert gas is such that Vs/Vm≦0.2.

摘要翻译： 本发明提供了一种用于该方法的光纤预制棒制造方法和燃烧器装置。 在该制造方法中，当从燃烧器发射的氧 - 氢火焰中合成玻璃粒子时，通过在起始部件的径向上沉积玻璃粒子来形成多孔光纤预制件，流速vm（m / 秒）源材料气体或来自原料气体和从燃烧器排出的添加剂气体的混合气体，并且惰性气体的流量vs（m / sec）为-0.06vm + 1.4 <= vs 而从燃烧器排出的原料气体的流量Vm（1 / min）与惰性气体的流量Vs（1 / min）之间的关系为<= -0.02vm + 1.8，vs> = 0.40 是Vs / Vm <= 0.2。

公开(公告)号：US20050284177A1

公开(公告)日：2005-12-29

申请号：US11168851

申请日：2005-06-29

申请人： Norio Komine ,  Seishi Fujiwara ,  Akiko Yoshida ,  Hiroki Jinbo ,  Norihisa Yamaguchi

发明人： Norio Komine ,  Seishi Fujiwara ,  Akiko Yoshida ,  Hiroki Jinbo ,  Norihisa Yamaguchi

IPC分类号： C03B8/04 ,  C03B19/06 ,  C03B19/14 ,  C03C3/06

CPC分类号： C03B19/1415 ,  C03B19/1407 ,  C03B19/1423 ,  C03B19/1453 ,  C03B2201/07 ,  C03B2201/21 ,  C03B2201/23 ,  C03B2207/06 ,  C03B2207/12 ,  C03B2207/20 ,  C03B2207/22 ,  C03B2207/24 ,  C03B2207/32 ,  C03B2207/36 ,  C03C3/06 ,  C03C2201/11 ,  C03C2201/21 ,  C03C2201/23 ,  C03C2201/30 ,  C03C2201/50 ,  C03C2203/40

摘要： An optical member made of silica glass manufactured by the direct method where a material gas comprising an organosilicon compound is allowed to react in an oxidizing flame, said optical member having a 2×1014 molecules/cm3 or less concentration of formyl radical generated by X-ray irradiation whose dose is 0.01 Mrad or more and 1 Mrad or less.

摘要翻译： 通过直接法制造的由石英玻璃制成的光学构件，其中包含有机硅化合物的材料气体在氧化火焰中反应，所述光学构件具有2×10 14分子/ cm 3 通过X射线照射产生的或更少浓度的甲酰基，其剂量为0.01Mrad以上且1Mrad以下。

公开(公告)号：US20040055339A1

公开(公告)日：2004-03-25

申请号：US10399194

申请日：2003-10-07

发明人： Tomohiro Ishihara

IPC分类号： C03B037/018

CPC分类号： C03B37/0142 ,  C03B37/01406 ,  C03B37/0144 ,  C03B2207/06 ,  C03B2207/12 ,  C03B2207/20 ,  C03B2207/22 ,  C03B2207/36 ,  C03B2207/52

摘要： The present invention provides a method for manufacturing a glass particles deposit body that is formed on the periphery of a starting rod by an OVD method, whereby an optical fiber with enhanced optical transmission characteristics can be produced by reducing the number of disconnections and preventing the alien substances from being mixed into the glass particles deposit body. This invention involves the use of the OVD method in which (1) before or after starting to deposit fine glass particles, a reaction vessel is enclosed to suck and exhaust a gas within the reaction vessel after a removal operation of deposited fine glass particles from the inside of the reaction vessel, (2) when not in operation, a purge gas is passed at a flow rate of 1 m/min or more through each gas line of a burner, (3) when not in operation, a clean air (CA) is introduced into the reaction vessel to make the inner pressure of vessel positive, or (1) and (2) or (1), (2) and (3) are combined.

摘要翻译： 本发明提供一种通过OVD方法制造在起始棒的周围的玻璃粒子沉积体的制造方法，由此可以通过减少断开次数和防止外来物质来制造具有增强的光传输特性的光纤 物质被混入玻璃颗粒沉积体内。 本发明涉及使用OVD方法，其中（1）在开始沉积细微玻璃颗粒之前或之后，封闭反应容器以在沉积的细玻璃颗粒从其中除去操作之后在反应容器内吸入和排出气体 在反应容器的内部，（2）在不工作的情况下，吹扫气体以1m / min以上的流量通过燃烧器的各气体管线，（3）不工作时，清洁空气 CA）引入反应容器中以使容器的内部压力为正，或（1）和（2）或（1），（2）和（3）组合。

公开(公告)号：US06588230B1

公开(公告)日：2003-07-08

申请号：US09364149

申请日：1999-07-30

申请人： Meryle D. M. Adler ,  John T. Brown ,  Mahendra K. Misra

发明人： Meryle D. M. Adler ,  John T. Brown ,  Mahendra K. Misra

IPC分类号： C03B1901

CPC分类号： F23L7/00 ,  C03B19/1407 ,  C03B19/1423 ,  C03B2207/06 ,  C03B2207/08 ,  C03B2207/12 ,  C03B2207/14 ,  C03B2207/20 ,  C03B2207/22 ,  C03B2207/26 ,  C03B2207/32 ,  C03B2207/34 ,  C03B2207/36 ,  C03B2207/42 ,  C03B2207/46 ,  C03B2207/52 ,  F23C2900/06043 ,  F23D14/22 ,  F23D14/32 ,  F23D14/52 ,  F23D2900/00018 ,  F23L2900/07002

摘要： Burners (40) for producing fused silica boules are provided. The burners employ a tube-in-tube (301-306) design with flats (56, 50) on some of the tubes (305, 301) being used to limit the cross-sectional area of certain passages (206, 202) within the burner and/or to atomize a silicon-containing, liquid source material, such as OMCTS. To avoid the possibility of flashback, the burner has separate passages for fuel (205) and oxygen (204, 206), i.e., the burner employs nozzle mixing, rather than premixing, of the fuel and oxygen. The burners are installed in burner holes (26) formed in the crown (20) of a furnace and form a seal with those holes so that ambient air cannot be entrained into the furnace through the holes. An external air cooled jacket (60) can be used to hold the temperature of the burner below a prescribed upper limit, e.g., 400° C.

摘要翻译： 提供用于生产熔融二氧化硅颗粒的燃烧器（40）。 燃烧器采用管中管（301-306）设计，其中一些管（305,301）上的平面（56,50）用于限制其内的某些通道（206,202）的横截面积 燃烧器和/或雾化含硅液体源材料，例如OMCTS。 为了避免闪回的可能性，燃烧器具有用于燃料（205）和氧气（204,206）的单独通道，即燃烧器采用燃料和氧气的喷嘴混合而不是预混合。 燃烧器安装在形成在炉子的冠部（20）中的燃烧器孔（26）中并与这些孔形成密封，使得环境空气不能通过孔夹带到炉中。 可以使用外部空气冷却护套（60）将燃烧器的温度保持在规定的上限（例如400℃）以下。

公开(公告)号：US06336347B1

公开(公告)日：2002-01-08

申请号：US09472145

申请日：1999-12-27

申请人： Giacomo Stefano Roba ,  Marco Arimondi

发明人： Giacomo Stefano Roba ,  Marco Arimondi

IPC分类号： C03B37018

CPC分类号： C03C3/06 ,  C03B19/1415 ,  C03B19/1423 ,  C03B37/01413 ,  C03B37/0142 ,  C03B2207/02 ,  C03B2207/22 ,  C03B2207/32 ,  C03B2207/36 ,  C03B2207/81 ,  C03B2207/86 ,  C03B2207/87

摘要： A process for producing a high-purity optical silica preform, comprising (a) vaporization of an organosilicon compound; (b) thermal decomposition of the said organosilicon compound in the vapor state, to give amorphous fused silica particles; (c) deposition of the said amorphous fused silica particles on a support, in which the said organosilicon compound has the formula (I) in which R1, R2, R3 and R4 have the meanings given in the text.

摘要翻译： 一种制备高纯度光学二氧化硅预制件的方法，包括（a）有机硅化合物的汽化; （b）在蒸气状态下热分解所述有机硅化合物，得到无定形熔融二氧化硅颗粒; （c）将所述无定形熔融二氧化硅颗粒沉积在载体上，其中所述有机硅化合物具有式（I），其中R 1，R 2，R 3和R 4具有本文给出的含义。

公开(公告)号：US20230227345A1

公开(公告)日：2023-07-20

申请号：US18190948

申请日：2023-03-27

申请人： Shin-Etsu Chemical Co., Ltd.

发明人： Naoto NODA

IPC分类号： C03B37/014

CPC分类号： C03B37/0142 ,  C03B2207/22 ,  C03B2207/36 ,  C03B2207/81

摘要： A method and an apparatus for producing a porous glass preform by using organosiloxane raw material is provided. The apparatus for producing the porous glass preform 12 according to the present embodiment is configured to mix organosiloxane in a liquid state being a raw material with a carrier gas in a vaporizer 6, heat this mixture to be vaporized, supply this vapor to a burner 13 as a gas raw material, and produce a porous glass preform by depositing a glass fine particle produced by combusting the gas raw material on a starting material, herein the apparatus for producing a porous glass preform includes a moisture removing apparatus 8 configured to remove moisture in the carrier gas and supply the vaporizer with the carrier gas.