公开(公告)号：US20140230494A1

公开(公告)日：2014-08-21

申请号：US14259833

申请日：2014-04-23

Applicant: Dai Inoue ,  Makoto Yoshida

Inventor： Dai Inoue ,  Makoto Yoshida

IPC: C03B37/014

CPC classification number: C03B37/01486 ,  C03B37/014 ,  C03B2207/50 ,  C03B2207/66 ,  C03B2207/70

Abstract: A method of manufacturing quartz glass includes depositing soot generated by flame hydrolysis of a raw material gas to a starting member, while the starting member is raised and rotated, to form a soot deposition member that includes an effective portion having a substantially constant outer diameter, the effective portion to become a material of a glass product, an upper ineffective portion formed at an upper end of the effective portion, and a lower ineffective portion formed at a lower end of the effective portion, each of the ineffective portions having an outer diameter changing in a tapering form, wherein the depositing includes forming the lower ineffective portion while decreasing a peripheral speed of a surface of the starting member to a predetermined final peripheral speed in a ratio of 1.3 m/minute or below per second during a period after the effective portion is formed.

Abstract translation: 制造石英玻璃的方法包括将原料气体的火焰水解产生的烟灰沉积到起始构件，同时起始构件升高并旋转，以形成烟炱沉积构件，其包括具有基本恒定的外径的有效部分， 成为玻璃制品的有效部分，形成在有效部分的上端的上部无效部分和形成在有效部分的下端的下部无效部分，每个无效部分具有外径 其变化为锥形，其中沉积包括形成较低的无效部分，同时在起始部件的表面之后的一段时间内将起始部件的表面的圆周速度以每秒1.3m /分钟或更低的比例降低到预定的最终圆周速度 形成有效部分。

公开(公告)号：US08561431B2

公开(公告)日：2013-10-22

申请号：US12297504

申请日：2007-04-18

Applicant: Dai Inoue

Inventor： Dai Inoue

IPC: C03B37/01

CPC classification number: C03B37/01446 ,  C03B37/0146

Abstract: A method of manufacturing an optical fiber base material having very little impurity which deteriorates the transmission characteristic of an optical fiber is provided. The method of manufacturing an optical fiber base material including: producing a core member for the optical fiber base material by dehydrating and transparently vitrifying a base material formed by depositing glass particles; and drawing the core member and then adding a cladding thereto at a desired core to cladding ratio, wherein the dehydrating includes suspending the base material in a furnace tube having a heating region in a first atmosphere at a first temperature, the base material passing through the heating region as upwardly moving, and the transparently vitrifying includes situating the base material below once and then allowing the base material to pass through the heating region in a second atmosphere at a second temperature as upwardly moving again.

Abstract translation: 提供一种制造光纤基质材料的方法，该方法具有非常少的杂质，这会降低光纤的传输特性。 制造光纤基材的方法包括：通过使通过沉积玻璃颗粒形成的基材脱水并透明地玻璃化来制造光纤基材的芯构件; 然后将所述芯部件拉伸，然后以期望的芯包层比添加包层，其中，所述脱水包括将所述基材悬浮在第一温度下在第一气氛中具有加热区域的炉管中，所述基材通过 加热区域向上移动，并且透明玻璃化包括使基材低于一次，然后允许基材在第二温度下在第二温度下再次向上移动而穿过加热区域。

公开(公告)号：US20100154480A1

公开(公告)日：2010-06-24

申请号：US12297504

申请日：2007-04-18

Applicant: Dai Inoue

Inventor： Dai Inoue

IPC: C03B37/01

CPC classification number: C03B37/01446 ,  C03B37/0146

Abstract: A method of manufacturing an optical fiber base material having very little impurity which deteriorates the transmission characteristic of an optical fiber is provided. The method of manufacturing an optical fiber base material including: producing a core member for the optical fiber base material by dehydrating and transparently vitrifying a base material formed by depositing glass particles; and drawing the core member and then adding a cladding thereto at a desired core to cladding ratio, wherein the dehydrating includes suspending the base material in a furnace tube having a heating region in a first atmosphere at a first temperature, the base material passing through the heating region as upwardly moving, and the transparently vitrifying includes situating the base material below once and then allowing the base material to pass through the heating region in a second atmosphere at a second temperature as upwardly moving again.

Abstract translation: 提供一种制造光纤基质材料的方法，该方法具有非常少的杂质，这会降低光纤的传输特性。 制造光纤基材的方法包括：通过使通过沉积玻璃颗粒形成的基材脱水并透明地玻璃化来制造光纤基材的芯构件; 然后将所述芯部件拉伸，然后以期望的芯包层比添加包层，其中，所述脱水包括将所述基材悬浮在第一温度下在第一气氛中具有加热区域的炉管中，所述基材通过 加热区域向上移动，并且透明玻璃化包括使基材低于一次，然后允许基材在第二温度下在第二温度下再次向上移动而穿过加热区域。

公开(公告)号：US20100015038A1

公开(公告)日：2010-01-21

申请号：US12504435

申请日：2009-07-16

Applicant: Dai Inoue ,  Takaaki Nagao ,  Hiroyuki Koide

Inventor： Dai Inoue ,  Takaaki Nagao ,  Hiroyuki Koide

IPC: C01B3/02 ,  F17C9/02

CPC classification number: F17C7/02 ,  F17C2221/012 ,  F17C2223/0123 ,  F17C2223/0161 ,  F17C2223/033 ,  F17C2223/035 ,  F17C2225/0123 ,  F17C2227/0302 ,  F17C2227/0388 ,  F17C2250/0636 ,  F17C2260/02 ,  F17C2260/056 ,  F17C2270/0518 ,  Y02E60/321 ,  Y02E60/324 ,  Y02P90/45

Abstract: Provided is hydrogen supply equipment that, when switching hydrogen supplied to equipment using hydrogen from (i) hydrogen produced at a normal temperature or hydrogen stored at a normal temperature to (ii) hydrogen stored at a low temperature, supplies the equipment using hydrogen with normal hydrogen obtained by returning the hydrogen at the low temperature to a normal temperature and then passing this hydrogen through equipment for accelerating a conversion from parahydrogen to orthohydrogen.

Abstract translation: 提供氢供应设备，当从（i）在常温下产生的氢气或在常温下储存的氢气（ii）在低温下储存的氢气切换供氢设备时，使用氢气供给设备 通过将低温下的氢气返回到常温，然后使该氢气通过用于加速从氢过氧化氢转化为正氢的设备而获得的氢气。

公开(公告)号：US20070271962A1

公开(公告)日：2007-11-29

申请号：US11826440

申请日：2007-07-16

Applicant: Dai Inoue ,  Makoto Yoshida

Inventor： Dai Inoue ,  Makoto Yoshida

IPC: C03B37/07 ,  C03B37/018 ,  G01N21/00

CPC classification number: C03B37/01486 ,  C03B37/014 ,  C03B2207/50 ,  C03B2207/66 ,  C03B2207/70

Abstract: Provided is a manufacturing method of quartz glass, which includes forming a soot deposition member that includes an effective portion having a substantially constant outer diameter and being to become a material of a glass product and ineffective portions formed at both ends of the effective portion and having an outer diameter changing in a tapering form, by depositing soot to a starting member being raised while rotating, the soot being generated by flame hydrolysis of a raw material gas, the manufacturing method either including: an effective portion forming step of forming the effective portion by rotating the starting member and the soot deposition member at a rotation speed appropriate for forming the effective portion, after the stabilization of the outer diameter of the soot deposition member; and an ineffective portion forming step of forming an ineffective portion by setting a peripheral speed of a surface of the starting member to 2.0 m/minute or below, during a time from deposition start of the soot onto the starting member and until the outer diameter of the soot deposition member is stabilized, or including: a forming step of forming an ineffective portion while decreasing a peripheral speed of a surface of the starting member to a predetermined final peripheral speed in a ratio of 1.3 m/minute or below per second during a period after the effective portion is formed and until the starting member and the soot deposition member stop rotating.

Abstract translation: 提供了一种石英玻璃的制造方法，其包括形成烟灰沉积部件，该烟灰沉积部件包括具有基本上恒定的外径的有效部分，并且成为玻璃产品的材料和形成在有效部分的两端的无效部分，并且具有 通过在旋转时将烟灰沉积到起始构件上，通过原料气体的火焰水解产生烟灰，所述制造方法包括：有效部分形成步骤，形成有效部分 在烟灰沉积构件的外径稳定之后，以适于形成有效部分的旋转速度旋转起始构件和烟灰沉积构件; 以及无效部分形成步骤，通过将起始构件的表面的圆周速度设定为2.0m /分钟以下，在从起始构件的烟灰的成膜开始到起始构件的外径的期间，形成无效部， 烟灰沉积部件是稳定的，或者包括：形成步骤，在将起始部件的表面的圆周速度降低到预定的最终圆周速度的同时以每秒1.3m /分钟或更低的比例形成无效部分 在有效部分形成之后，直到起始构件和烟灰沉积构件停止旋转。

公开(公告)号：US20060179890A1

公开(公告)日：2006-08-17

申请号：US11326352

申请日：2006-01-06

Applicant: Dai Inoue ,  Tetsuya Otosaka

Inventor： Dai Inoue ,  Tetsuya Otosaka

IPC: C03B32/00 ,  C03B37/075

CPC classification number: C03C25/607 ,  C03B2201/22 ,  C03C13/047

Abstract: There is provide an optical fiber processing apparatus and a process method capable of shortening time required for replacing an atmosphere in a treatment container with inert gas and filling with deuterium and of restraining an amount used of expensive deuterium. An optical fiber processing apparatus includes a plurality of containers 1 for processing optical fiber that are spatially coupled by piping, each treatment container 1 including a treatment chamber that can be sealed and accommodate one or more bobbins 4 on which fiber to be processed is wound, in which the treatment chamber is supplied with treatment gas, and the optical fiber is processed by the gas. The treatment gas is deuterium or gas including the deuterium.

Abstract translation: 提供了一种能够缩短用惰性气体替换处理容器中的气氛并填充氘所需的时间以及限制昂贵的氘使用量的光纤加工装置和方法。 一种光纤加工设备包括多个用于处理通过管道空间耦合的光纤的容器1，每个处理容器1包括一个处理室，该处理室可被密封并容纳一个或多个卷绕有待处理纤维的线轴4， 其中处理室被供给处理气体，并且光纤被气体处理。 处理气体是氘气或包括氘气体。

公开(公告)号：US20100011813A1

公开(公告)日：2010-01-21

申请号：US12504414

申请日：2009-07-16

Applicant: Dai INOUE ,  Takaaki Nagao ,  Hiroyuki KOIDE

Inventor： Dai INOUE ,  Takaaki Nagao ,  Hiroyuki KOIDE

IPC: C03B18/20 ,  C03B5/24

CPC classification number: C03B37/01413 ,  C03B37/0142 ,  C03B2201/02 ,  C03B2201/31 ,  C03B2207/36 ,  C03B2207/70 ,  C03B2207/85 ,  C03B2207/87 ,  Y02P40/57

Abstract: Provided is a quartz glass manufacturing method that involves using one or more burners, supplying hydrogen and oxygen to the one or more burners to generate an oxyhydrogen flame, introducing a silicide into the oxyhydrogen flame, forming a porous base material by depositing silicon dioxide generated from a flame hydrolysis reaction with the silicide, and heating and sintering the porous base material to form transparent glass, the method comprising supplying hydrogen that is stored or made at a normal temperature to the one or more burners; controlling a hydrogen flow rate using a measurement apparatus or control apparatus that performs measurement based on heat capacity of a gas; vaporizing liquid hydrogen stored in a low-temperature storage chamber, and supplying the vaporized liquid hydrogen to the one or more burners as backup hydrogen; switching from the hydrogen to the backup hydrogen; and when switching, adjusting the hydrogen flow rate to a value obtained by multiplying the hydrogen flow rate immediately after switching by a predetermined correction coefficient.

Abstract translation: 提供了一种石英玻璃制造方法，其包括使用一个或多个燃烧器，向一个或多个燃烧器供应氢气和氧气以产生氢氧焰，将硅化物引入氢氧焰中，通过沉积二氧化硅形成多孔基材， 与所述硅化物进行火焰水解反应，以及加热和烧结所述多孔基材以形成透明玻璃，所述方法包括将在常温下储存或制造的氢气供应给所述一个或多个燃烧器; 使用基于气体的热容量进行测量的测量装置或控制装置控制氢气流量; 蒸发存储在低温储存室中的液态氢，并将蒸发的液体氢气作为备用氢气供给到一个或多个燃烧器; 从氢气切换到备用氢气; 并且当切换时，将氢气流量调节到通过将切换之后的氢气流量乘以预定校正系数而获得的值。

公开(公告)号：US08701447B2

公开(公告)日：2014-04-22

申请号：US12341538

申请日：2008-12-22

Applicant: Dai Inoue ,  Hiroyuki Koide ,  Takaaki Nagao

Inventor： Dai Inoue ,  Hiroyuki Koide ,  Takaaki Nagao

IPC: C03B37/12

CPC classification number: C03B37/01446 ,  C03B37/0146

Abstract: A method of manufacturing an optical fiber base material includes: forming a porous glass base material by depositing glass particles; providing a vessel which employs a composite tube, the composite tube including a portion formed by jacketing a first quartz glass containing aluminum equal to or less than 0.01 ppm with a second quartz glass containing aluminum equal to or more than 15 ppm; introducing dehydration reaction gas and inert gas into the vessel; heating the jacketed portion in the vessel which contains the dehydration reaction gas and the inert gas; and inserting the porous glass base material into the heated vessel to dehydrate and sinter the porous glass base material.

Abstract translation: 制造光纤基材的方法包括：通过沉积玻璃颗粒形成多孔玻璃基材; 提供采用复合管的容器，所述复合管包括通过用包含等于或大于15ppm的铝的第二石英玻璃将含有等于或小于0.01ppm的铝的第一石英玻璃护套形成的部分; 将脱水反应气体和惰性气体引入容器中; 加热含有脱水反应气体和惰性气体的容器中的夹套部分; 并将多孔玻璃基材插入加热的容器中以使多孔玻璃基材脱水并烧结。

公开(公告)号：US20120304701A1

公开(公告)日：2012-12-06

申请号：US13484282

申请日：2012-05-31

Applicant: Dai INOUE

Inventor： Dai INOUE

IPC: C03B37/018

CPC classification number: C03B37/01446 ,  C03B37/01453 ,  C03B2201/12 ,  G02B6/0283 ,  G02B6/0365

Abstract: Provided is a method for manufacturing an optical fiber base material, comprising manufacturing a soot deposition body having a core with a high refractive index at a center thereof, using VAD or OVD; dehydrating the soot deposition body within a heating furnace, with a temperature that does not vitrify the soot deposition body and in a helium atmosphere containing chlorine; after the dehydration, forming a core rod by vitrifying the soot deposition body at a temperature that vitrifies the soot deposition body, in a helium atmosphere; and applying cladding on the outside of the core rod. The helium atmosphere in the heating furnace when vitrifying the soot deposition body includes a gas containing a fluorine compound, and concentration of the fluorine in the atmospheric gas is in a range of 0.1 mol % to 10 mol %.

Abstract translation: 本发明提供一种光纤基材的制造方法，其特征在于，使用VAD或OVD，制造在中心具有高折射率的芯的烟灰沉积体; 使烟炱沉积体在加热炉内脱水，其中不会使烟炱沉积体和含氯气的氦气中的玻璃化温度; 在脱水之后，在氦气氛中通过在烟炱沉积体的玻璃化的温度下使烟炱沉积体玻璃化来形成芯棒; 并在芯棒的外侧施加包层。 当对烟灰沉积体进行玻璃化时，加热炉中的氦气体包括含氟化合物的气体，并且气氛中的氟浓度在0.1mol％至10mol％的范围内。

公开(公告)号：US20090100876A1

公开(公告)日：2009-04-23

申请号：US12341324

申请日：2008-12-22

Applicant: Dai Inoue ,  Hiroyuki Koide ,  Takaaki Nagao

Inventor： Dai Inoue ,  Hiroyuki Koide ,  Takaaki Nagao

IPC: C03B37/07 ,  C03C13/04 ,  C03B37/014

CPC classification number: C03B37/0146

Abstract: A method of manufacturing an optical fiber base material includes: forming a porous glass base material by depositing glass particles; providing a synthetic quartz glass vessel at least partly made of quartz glass which contains aluminum equal to or less than 0.01 ppm; introducing dehydration reaction gas and inert gas into the vessel; heating a portion made of quartz glass which contains aluminum equal to or less than 0.01 ppm in the vessel that contains the dehydration reaction gas and the inert gas; and inserting the porous glass base material into the heated vessel to dehydrate and sinter the porous glass base material.

Abstract translation: 制造光纤基材的方法包括：通过沉积玻璃颗粒形成多孔玻璃基材; 提供至少部分由含有等于或小于0.01ppm的铝的石英玻璃制成的合成石英玻璃容器; 将脱水反应气体和惰性气体引入容器中; 在含有脱水反应气体和惰性气体的容器中加热含有等于或小于0.01ppm的铝的石英玻璃制成的部分; 并将多孔玻璃基材插入加热的容器中以使多孔玻璃基材脱水并烧结。