公开(公告)号：US20140226948A1

公开(公告)日：2014-08-14

申请号：US14345699

申请日：2013-01-09

申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.

发明人： Tadashi Enomoto ,  Iwao Okazaki ,  Takashi Yamazaki ,  Masatoshi Hayakawa ,  Manabu Shiozaki ,  Norihiro Uenoyama ,  Masaru Furusyou

IPC分类号： C03B37/029 ,  G02B6/10 ,  C03B37/027

CPC分类号： C03B37/029 ,  C03B37/0253 ,  C03B37/027 ,  C03B37/02727 ,  C03B2205/30 ,  C03B2205/40 ,  C03B2205/56 ,  C03B2205/63 ,  C03B2205/70 ,  C03B2205/92 ,  G02B6/10 ,  G02B2006/12166 ,  Y02P40/57

摘要： An apparatus includes a susceptor and a protective pipe. A gas containing 50% or more of argon or nitrogen is used as a gas to be supplied into the susceptor. The protective pipe has a heat insulating region (17a) enclosed with a heat insulator (18) with a length of Db (mm) at the upper section thereof and a non-heat insulating region (17b) not enclosed with any heat insulators at the lower section thereof. The temperature of the glass fiber at the outlet of the protective pipe becomes 1700° C. or less. The outer diameter of the glass fiber at the outlet of the protective pipe is within a range of the target outer diameter of the glass fiber+6 μm or less.

摘要翻译： 一种装置包括基座和保护管。 使用含有50％以上的氩气或氮气的气体作为供给到基座的气体。 保护管具有在其上部具有长度为Db（mm）的绝热体（18）封闭的绝热区域（17a），并且在绝热区域（17b）处未封装有绝热体 其下部。 保护管出口处的玻璃纤维的温度为1700℃以下。 保护管出口处的玻璃纤维的外径在玻璃纤维的目标外径+6μm以下的范围内。

公开(公告)号：US08607592B2

公开(公告)日：2013-12-17

申请号：US13090693

申请日：2011-04-20

申请人： Kenji Okada

发明人： Kenji Okada

IPC分类号： C03B37/029

摘要： An optical fiber manufacturing apparatus including: a heating furnace in which an optical fiber is formed by melt-drawing an optical fiber preform; a sealing mechanism which is provided on an opening portion located at an upstream of the heating furnace and seals the heating furnace with an inert gas; a first pipe which is connected to the heating furnace and introduces the gas into the heating furnace; a second pipe which is connected to a lowermost compartment closest to the heating furnace among the compartments and introduces the gas into the lowermost compartment; and a gas flow rate control unit which controls a total sum of a flow rate of a gas supplied from the first pipe into the heating furnace and a flow rate of a gas supplied from the second pipe into the lowermost compartment to be substantially constant.

公开(公告)号：US08151601B2

公开(公告)日：2012-04-10

申请号：US10992740

申请日：2004-11-22

申请人： Marco Korsten

发明人： Marco Korsten

IPC分类号： C03B37/025 ,  C03B37/029

CPC分类号： C03B37/027 ,  C03B37/029 ,  C03B2205/72

摘要： The invention relates to a method for manufacturing an optical fiber, wherein a preform is placed in a draw tower, which draw tower comprises a furnace in which one end of a preform is heated, after which an optical fiber is drawn from the heated end, wherein the heating and/or cooling of the draw furnace takes place with a maximum temperature gradient of 15° C./minute.

摘要翻译： 本发明涉及一种用于制造光纤的方法，其中将预成型件放置在牵引塔中，所述拉制塔包括其中预热器的一端被加热的炉，之后从加热端拉出光纤， 其中拉制炉的加热和/或冷却以15℃/分钟的最高温度梯度进行。

公开(公告)号：US20110132039A1

公开(公告)日：2011-06-09

申请号：US12958697

申请日：2010-12-02

申请人： Tetsuya Otosaka

发明人： Tetsuya Otosaka

IPC分类号： C03B37/029 ,  C03B37/025

CPC分类号： C03B23/043 ,  C03B37/0124 ,  Y02P40/57

摘要： A glass preform drawing apparatus feeds a glass preform into a heating furnace at a predetermined feeding speed and produces a glass rod having a uniform diameter. Specifically, the drawing apparatus for producing a glass rod having a desired outer diameter by heating and drawing a glass preform is characterized in that, at a normal operating temperature T (K) of the heating furnace, the top chamber is transparent at a wavelength of λ (μm) expressed by the following formula 1: λ=2898/T.

摘要翻译： 玻璃预成型件拉伸装置以预定的进给速度将玻璃预成型体进料到加热炉中，并产生具有均匀直径的玻璃棒。 具体地说，用于通过加热和拉制玻璃预制棒来制造具有所需外径的玻璃棒的拉制装置的特征在于，在加热炉的正常工作温度T（K）下，顶部室是波长为 λ（μm）由下式1表示：λ= 2898 / T。

公开(公告)号：US20090211302A1

公开(公告)日：2009-08-27

申请号：US12341538

申请日：2008-12-22

申请人： Dai Inoue ,  Hiroyuki Koide ,  Takaaki Nagao

发明人： Dai Inoue ,  Hiroyuki Koide ,  Takaaki Nagao

IPC分类号： C03B37/01 ,  C03B5/235 ,  C03B37/029 ,  C03B37/07

CPC分类号： C03B37/01446 ,  C03B37/0146

摘要： 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.

摘要翻译： 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：US07089766B2

公开(公告)日：2006-08-15

申请号：US11034359

申请日：2005-01-10

申请人： Gerald E. Burke ,  Steven B. Dawes ,  V. Srikant ,  Pushkar Tandon

发明人： Gerald E. Burke ,  Steven B. Dawes ,  V. Srikant ,  Pushkar Tandon

IPC分类号： C03B37/018 ,  C03B37/029

CPC分类号： G03F7/70216 ,  C03B19/1407 ,  C03B19/1415 ,  C03B19/1423 ,  C03B19/1453 ,  C03B37/01202 ,  C03B37/01406 ,  C03B37/01413 ,  C03B37/0142 ,  C03B37/0146 ,  C03B2201/12 ,  C03B2203/22 ,  C03B2207/02 ,  C03B2207/06 ,  C03B2207/08 ,  C03B2207/14 ,  C03B2207/20 ,  C03B2207/30 ,  C03B2207/38 ,  C03B2207/40 ,  C03B2207/42 ,  C03B2207/46 ,  C03B2207/54 ,  C03B2207/70 ,  C03B2207/81 ,  C03C3/06 ,  C03C2201/12 ,  C03C2201/20 ,  C03C2201/23 ,  C03C2201/30 ,  C03C2201/32 ,  F23D14/22 ,  F23D14/32 ,  G03F1/60 ,  G03F7/70958

摘要： Methods, apparatus and precursors for producing substantially water-free silica soot, preforms and glass. The methods and apparatus make substantially water-free fused silica preforms or glass by removing water as a reaction product, removing water from the atmosphere, removing water from the transport process, or combinations thereof. In a first embodiment, substantially water-free soot, preforms or glass are achieved by using a hydrogen-free fuel, such as carbon monoxide, in the deposition process. In another embodiment, a soot producing burner has parameters that enable operation on a substantially hydrogen-free fuel. End burners, which minimize water production, are also described. Such water-free methods are useful in depositing fluorine-doped soot because of the low water present and the efficiency in which fluorine is incorporated. In another embodiment, glassy barrier layer methods and apparatus are described for minimizing dopant migration, especially fluorine. Laser and induction methods and apparatus for forming the barrier layer are depicted. A chlorine, fluorine and silica precursor, such as chlorofluorosilane, may be utilized to form fluorinated soot. Other methods and apparatus are directed to combinations of conventional and substantially water-free processes. One embodiment is directed to combustion enhancing additives for addition to the substantially hydrogen-free fuels. The methods and apparatus in accordance with the invention are particularly useful for producing photomask substrates and optical fiber preforms.

摘要翻译： 用于生产基本上无水的二氧化硅烟灰，预成型件和玻璃的方法，装置和前体。 该方法和装置通过除去水作为反应产物，从大气中除去水分，从运输过程中除去水或其组合，从而使基本上无水的熔融二氧化硅预制件或玻璃。 在第一实施方案中，在沉积工艺中通过使用无氢燃料如一氧化碳来实现基本上无水的烟灰，预型体或玻璃。 在另一个实施方案中，产生烟灰的燃烧器具有能够在基本上无氢燃料上操作的参数。 还描述了最小化水的生产的终端燃烧器。 这种无水方法由于存在低的水和掺入氟的效率而用于沉积氟掺杂烟灰。 在另一个实施例中，描述了用于最小化掺杂剂迁移，特别是氟的玻璃状阻挡层方法和装置。 描述了用于形成阻挡层的激光和感应方法和装置。 可以使用氯，氟和二氧化硅前体，例如氯氟硅烷来形成氟化烟灰。 其它方法和装置涉及常规和基本无水方法的组合。 一个实施方案涉及用于加入基本上无氢燃料的燃烧增强添加剂。 根据本发明的方法和装置特别适用于制造光掩模基片和光纤预制棒。

公开(公告)号：US20060101861A1

公开(公告)日：2006-05-18

申请号：US11245095

申请日：2005-10-07

申请人： Katsuya Nagayama ,  Tatsuhiko Saitoh ,  Yuichi Ohga ,  Kazuya Kuwahara

发明人： Katsuya Nagayama ,  Tatsuhiko Saitoh ,  Yuichi Ohga ,  Kazuya Kuwahara

IPC分类号： C03B37/029

摘要： A drawing apparatus 1 comprises a drawing furnace 11, a heating furnace 21, and a resin curing section 31. An optical fiber 3 drawn upon heating in the drawing furnace 11 is sent to a heating furnace 21, where a predetermined part of the optical fiber 3 is annealed at a predetermined cooling rate. The temperature of a heater 22 of the heating furnace 21 at the furnace center is set to a temperature within the range from 1200 to 1600° C. Thereafter, the optical fiber 3 is coated with a UV resin liquid 52 by a coating die 51, and the UV resin 52 is cured in the resin curing section 31, so as to yield a coated optical fiber 4.

摘要翻译： 拉伸装置1包括拉丝炉11，加热炉21和树脂固化部31。 将在拉丝炉11中加热而拉制的光纤3送入加热炉21，在加热炉21中，光纤3的规定部分以规定的冷却速度进行退火。 炉中心的加热炉21的加热器22的温度设定在1200〜1600℃的温度范围内。此后，通过涂布模51将光纤3涂覆有紫外线树脂液52， 并且在树脂固化部分31中固化UV树脂52，以产生涂覆的光纤4。

公开(公告)号：US06935139B2

公开(公告)日：2005-08-30

申请号：US10143925

申请日：2002-05-14

申请人： Katsuya Nagayama ,  Kazuya Kuwahara ,  Takayuki Shimazu

发明人： Katsuya Nagayama ,  Kazuya Kuwahara ,  Takayuki Shimazu

IPC分类号： G02B6/00 ,  C03B37/027 ,  C03B37/029

CPC分类号： C03B37/029 ,  C03B37/027 ,  C03B37/02718 ,  C03B2205/56 ,  C03B2205/63 ,  Y02P40/57

摘要： The method of manufacturing an optical fiber in accordance with the present invention comprises a step of yielding an optical fiber by drawing an optical fiber preform softened upon heating, wherein a temperature at which the optical fiber preform is softened is at least 1800° C., whereas the optical fiber preform or optical fiber has a glass cooling rate of 4000° C./sec or less when attaining a temperature of 1800° C.

摘要翻译： 根据本发明的制造光纤的方法包括通过拉伸在加热时软化的光纤预制棒来产生光纤的步骤，其中光纤预制件软化的温度为至少1800℃， 而当达到1800℃的温度时，光纤预制棒或光纤的玻璃冷却速度为4000℃/秒以下。

公开(公告)号：US06928840B1

公开(公告)日：2005-08-16

申请号：US10089719

申请日：2000-10-11

申请人： Katsuya Nagayama ,  Yuichi Ohga ,  Kazuya Kuwahara ,  Ichiro Tsuchiya

发明人： Katsuya Nagayama ,  Yuichi Ohga ,  Kazuya Kuwahara ,  Ichiro Tsuchiya

IPC分类号： C03B37/027 ,  C03B37/029 ,  G02B6/00 ,  C03B37/025 ,  C03B37/03

CPC分类号： C03B37/02718 ,  C03B37/029 ,  C03B2205/56 ,  C03B2205/82 ,  C03B2205/83 ,  C03B2205/90

摘要： A drawing apparatus 1 comprises a drawing furnace 11, a protecting tube 21, and a resin curing unit 31. A buffer chamber 41 is disposed between the drawing furnace 11 and the protecting tube 21, and has a length L1 in the drawing direction of the optical fiber 3. The buffer chamber 41 is constituted by a first buffer cell 42 and a second buffer cell 45. In the space within the buffer chamber 41, an He gas, which is an atmosphere gas within the drawing furnace 11, and the air, which is an atmosphere gas within the protecting tube 21, exist in a mixed state. The optical fiber 3 drawn upon heating in the drawing furnace 11 is fed to the protecting tube 21, and a predetermined part of the optical fiber 3 is annealed at a predetermined cooling rate. Thereafter, a coating die 62 coats the optical fiber 3 with a UV resin solution 63, and the resin curing unit 31 cures the UV resin 63, whereby a coated optical fiber 4 is obtained.

摘要翻译： 拉制装置1包括拉丝炉11，保护管21和树脂固化单元31。 缓冲室41设置在拉丝炉11和保护管21之间，并且在光纤3的拉伸方向上具有长度L 1。 缓冲室41由第一缓冲单元42和第二缓冲单元45构成。 在缓冲室41内的空间内，作为吸入炉11内的气氛气体的He气体和作为保护管21内的气氛气体的空气以混合状态存在。 在拉丝炉11中加热拉制的光纤3被送入保护管21，光纤3的规定部分以规定的冷却速度进行退火。 此后，涂布模具62用UV树脂溶液63涂覆光纤3，树脂固化单元31固化UV树脂63，从而获得涂覆的光纤4。

公开(公告)号：US06055830A

公开(公告)日：2000-05-02

申请号：US897253

申请日：1997-07-18

申请人： Mun-Hyun Do

发明人： Mun-Hyun Do

IPC分类号： G02B6/00 ,  C03B37/02 ,  C03B37/025 ,  C03B37/027 ,  C03B37/029

CPC分类号： C03B37/02736 ,  C03B37/029 ,  C03B2205/90

摘要： A furnace minimizes the lowering of the quality of optical fibers, especially those lowerings of the quality that stems from variations of the conditions inside of the furnace. These variations can occur when a preform is connected to an auxiliary quartz rod of differing diameters. Also, the furnace has an inlet sleeve which minimizes fluctuations in flow speed of the inert gases and the pressures inside the furnace.

摘要翻译： 炉最小化了光纤质量的降低，特别是由炉内的条件变化引起的质量下降。 当预成型件连接到不同直径的辅助石英棒时，可能会发生这些变化。 此外，炉具有入口套筒，其使惰性气体的流速的波动和炉内的压力最小化。