公开(公告)号：US20060115913A1

公开(公告)日：2006-06-01

申请号：US11288311

申请日：2005-11-29

申请人： Nobuaki Orita ,  Akihiro Kanao ,  Hideya Moridaira

发明人： Nobuaki Orita ,  Akihiro Kanao ,  Hideya Moridaira

IPC分类号： H01L21/00

CPC分类号： G02B6/02395 ,  C03B37/01211 ,  C03B37/01245 ,  C03B37/01257 ,  C03B37/01446 ,  C03B37/01453 ,  C03B37/0146 ,  C03B37/02754 ,  C03B37/02772 ,  C03B37/029 ,  C03B2201/04 ,  C03B2201/12 ,  C03B2203/22 ,  Y02P40/57

摘要： A porous layer is formed by depositing a silica glass particle around a core rod. The porous layer is dehydrated. The dehydrated porous layer is sintered under a decreased pressure until the dehydrated porous layer becomes a translucent glass layer containing a closed pore. The translucent glass layer is vitrified under an ambient atmosphere including an inert gas other than a helium gas.

摘要翻译： 通过在芯棒周围沉积石英玻璃颗粒来形成多孔层。 多孔层脱水。 脱水多孔层在减压下烧结直到脱水多孔层成为含有闭孔的半透明玻璃层。 半透明玻璃层在包括氦气以外的惰性气体的环境气氛下被玻璃化。

公开(公告)号：US08789393B2

公开(公告)日：2014-07-29

申请号：US11288311

申请日：2005-11-29

申请人： Nobuaki Orita ,  Akihiro Kanao ,  Hideya Moridaira

发明人： Nobuaki Orita ,  Akihiro Kanao ,  Hideya Moridaira

IPC分类号： C03B37/018

CPC分类号： G02B6/02395 ,  C03B37/01211 ,  C03B37/01245 ,  C03B37/01257 ,  C03B37/01446 ,  C03B37/01453 ,  C03B37/0146 ,  C03B37/02754 ,  C03B37/02772 ,  C03B37/029 ,  C03B2201/04 ,  C03B2201/12 ,  C03B2203/22 ,  Y02P40/57

摘要： A porous layer is formed by depositing a silica glass particle around a core rod. The porous layer is dehydrated. The dehydrated porous layer is sintered under a decreased pressure until the dehydrated porous layer becomes a translucent glass layer containing a closed pore. The translucent glass layer is vitrified under an ambient atmosphere including an inert gas other than a helium gas.

摘要翻译： 通过在芯棒周围沉积石英玻璃颗粒来形成多孔层。 多孔层脱水。 脱水多孔层在减压下烧结直到脱水多孔层成为含有闭孔的半透明玻璃层。 半透明玻璃层在包括氦气以外的惰性气体的环境气氛下被玻璃化。

公开(公告)号：US06334339B1

公开(公告)日：2002-01-01

申请号：US09598893

申请日：2000-06-22

申请人： Akihiro Kanao ,  Toshihiro Mikami

发明人： Akihiro Kanao ,  Toshihiro Mikami

IPC分类号： C04B3718

CPC分类号： C03B37/0142 ,  C03B2207/06 ,  C03B2207/12 ,  C03B2207/14 ,  C03B2207/40 ,  C03B2207/62 ,  Y02P40/57

摘要： A hooded glass particulate synthesizing torch, provided with at least a glass particulate synthesizing torch body having a feedstock gas injection passage formed at the center of its front end, a combustible gas injection passage formed concentrically at the outer circumference of the feedstock gas injection passage, and a plurality of small diameter combustion aid gas injection passages formed in the combustible gas injection passage along the outer circumference of the feedstock gas injection passage and a hood projecting out at the outer circumference of the front end of the torch body, the torch hood satisfying 0.5≦D/L≦2.0, where, L is the focal distance, that is, a distance from a point P, to which the small diameter combustion aid gas injection passages are directed and on an extension of the center line of the torch body in front of the torch body, to the front end of the torch body, and D is the hood length, that is, the distance from the front end of the hood to the front end of the torch body.

摘要翻译： 一种连接玻璃微粒合成炬，设置有至少一玻璃颗粒合成炬体，其具有形成在其前端中心的原料气体注入通道，同时位于原料气体注入通道的外圆周处形成的可燃气体注入通道， 以及沿着原料气体注入通道的外周形成在可燃气体注入通道中的多个小直径燃烧助燃气体注入通道，以及在割炬本体的前端的外周突出的罩，所述炬罩满足 0.5 <= D / L <= 2.0，其中，L是焦点距离，即距离小直径燃烧辅助气体喷射通道所指向的点P的距离，以及距离中心线的延伸 手电筒前面的火炬体，到火炬正面的前端，D为罩长度，即从罩前端到前面的距离 d的火炬身体。

公开(公告)号：US5879428A

公开(公告)日：1999-03-09

申请号：US742865

申请日：1996-11-01

申请人： Akihiro Kanao

发明人： Akihiro Kanao

IPC分类号： G02B6/00 ,  C03B37/014 ,  C03B37/018

CPC分类号： C03B37/0144 ,  C03B37/0142

摘要： An apparatus for manufacturing an optical fiber preform, comprising a reaction vessel housing a core, combustion burners each arranged such that a flame spurting port thereof is positioned within the reaction vessel so as to generate fine glass particles by a flame hydrolysis reaction, and a discharge unit including a discharge port arranged on a side of the reaction; vessel for discharging the excess fine glass particles which were not deposited on the core and the waste gas out of the reaction vessel, wherein an angle formed between an imaginary plane including the flame spurting port of one of the combustion burners and another imaginary plane including the discharge port of the discharge unit falls within a range of between 0.degree. and 40.degree..

摘要翻译： 一种用于制造光纤预制件的装置，包括容纳芯的反应容器，燃烧燃烧器，各自布置成使其火焰喷射口位于反应容器内，从而通过火焰水解反应产生细玻璃颗粒， 单元，包括布置在反应侧的排出口; 容器，用于将没有沉积在芯上的多余细玻璃颗粒和废气排出反应容器，其中在包括燃烧燃烧器之一的火焰喷出口的虚拟平面和包括 排出单元的排出口落在0°〜40°的范围内。

公开(公告)号：US06619074B1

公开(公告)日：2003-09-16

申请号：US09649576

申请日：2000-08-29

申请人： Hiroyuki Wada ,  Toshihiro Mikami ,  Akihiro Kanao ,  Yukio Kohmura

发明人： Hiroyuki Wada ,  Toshihiro Mikami ,  Akihiro Kanao ,  Yukio Kohmura

IPC分类号： C03B37018

CPC分类号： C03B37/01406 ,  C03B37/0144 ,  C03B2207/42 ,  C03B2207/50

摘要： An apparatus for the production of a porous optical fiber preform preventing cracks in the preform and stabilizing quality over the longitudinal direction. The apparatus includes a reaction portion, a feed port for introducing a stream of gas, and a main exhaust port. A rotating mechanism is provided for mounting, rotating, and pulling up a seed rod for forming the porous optical fiber preform. A first burner emits a flame carrying fine particles of glass forming the core portion, and a second burner emits a flame carrying fine particles of glass forming the cladding portion. A portion adjusts the flow of the stream from the feed port to the main exhaust port so that the flames carrying the glass particles are not disturbed by the stream and so that the stream does not directly contact a fine glass particle deposit formed at a bottom end of the seed rod.

摘要翻译： 一种用于制造多孔光纤预制件的装置，其防止预成型件中的裂纹并且在纵向上稳定质量。 该装置包括反应部分，用于引入气流的进料口和主排气口。 提供旋转机构用于安装，旋转和拉起用于形成多孔光纤预制棒的种棒。 第一燃烧器发射携带形成芯部的玻璃微粒的火焰，第二燃烧器发射承载形成包层部分的玻璃微小玻璃的火焰。 一部分调节从进料口到主排气口的流的流动，使得携带玻璃颗粒的火焰不会被流干扰，从而流不直接接触形成在底端的细玻璃颗粒沉积物 的种子棒。