徑向預製件固結
    241.
    发明专利
    徑向預製件固結 有权
    径向预制件固结

    公开(公告)号:TW455708B

    公开(公告)日:2001-09-21

    申请号:TW089125176

    申请日:2000-11-24

    Applicant: 康寧公司

    Inventor: 蘇米克南

    IPC: G02B

    CPC classification number: C03B37/01446 C03B37/01413 C03B2201/28 C03B2203/22

    Abstract: 一種製造光纖預製件以及由預製件製造出光纖之方法。該方法包含提供預製件粉塵包層區域,其含有摻雜劑例如為P2O5,其促使預製件由粉塵包層區域內側至其外側即"內側朝外"順序進行燒結,而與先前技術"外側朝內"情況不同。此將有益於以徑向方向進行除氣,其將減少缺陷以及能夠使用軸向整體燒結。在一項實施例中,摻雜劑線性變化為徑向尺寸之函敖。在粉塵包層區域中每公分粉塵之降低黏滯性摻雜劑數量優先地為O.l%重量比或更大。

    Abstract in simplified Chinese: 一种制造光纤预制件以及由预制件制造出光纤之方法。该方法包含提供预制件粉尘包层区域,其含有掺杂剂例如为P2O5,其促使预制件由粉尘包层区域内侧至其外侧即"内侧朝外"顺序进行烧结,而与先前技术"外侧朝内"情况不同。此将有益于以径向方向进行除气,其将减少缺陷以及能够使用轴向整体烧结。在一项实施例中,掺杂剂线性变化为径向尺寸之函敖。在粉尘包层区域中每公分粉尘之降低黏滞性掺杂剂数量优先地为O.l%重量比或更大。

    길이방향으로 균일성을 갖는 기가비트급 전송시스템용다중모드 광섬유의 제조방법
    245.
    发明公开
    길이방향으로 균일성을 갖는 기가비트급 전송시스템용다중모드 광섬유의 제조방법 失效
    用于制作具有LONGITUDNAL均匀性的GIGABIT类传输系统的多模光纤的方法

    公开(公告)号:KR1020060106477A

    公开(公告)日:2006-10-12

    申请号:KR1020050029657

    申请日:2005-04-08

    CPC classification number: C03B37/01807 C03B2201/28 C03B2201/31 C03B2207/70

    Abstract: 본 발명은 수정화학기상증착(MCVD) 공법에 따라, 석영튜브 내부로 SiCl
    4 , GeCl
    4 및 POCl
    3 을 포함하는 원료가스를 산소와 함께 투입함과 더불어 석영튜브의 길이방향으로 열원을 이동시켜 클래드/코어를 증착하는 공정을 포함하는 다중모드 광섬유 제조방법에 관한 것으로서, 상기 석영튜브의 온도분포에 따른 증착 불균일을 보상하도록 매 증착층마다 상기 열원의 초기 가열구간으로부터 후속 가열구간으로 가면서 상기 SiCl
    4 , GeCl
    4 , POCl
    3 중 어느 하나 또는 둘 이상에 대한 투입량을 단계적으로 변화시키는 것을 특징으로 하는 다중모드 광섬유 제조방법이 개시된다.
    본 발명에 의하면 길이방향을 따라 균일한 코어 직경과 굴절률 분포를 갖는 기가비트급 이더넷용 다중모드 광섬유를 제조할 수 있다.
    기가비트 이더넷, MCVD, 다중모드 광섬유, 굴절률 프로파일

    탈수 및 탈염소공정을 포함하는 수정화학기상증착공법을 이용한 광섬유 프리폼 제조방법 및 이 방법에 의해 제조된 광섬유
    246.
    发明公开
    탈수 및 탈염소공정을 포함하는 수정화학기상증착공법을 이용한 광섬유 프리폼 제조방법 및 이 방법에 의해 제조된 광섬유 失效
    通过使用改性化学蒸气沉积物生产光纤预制件的方法,该蒸镀沉积物含有脱盐和脱盐以及由该方法生产的光纤

    公开(公告)号:KR1020040017024A

    公开(公告)日:2004-02-26

    申请号:KR1020020049108

    申请日:2002-08-20

    Abstract: PURPOSE: Provided is a process for producing an optical fiber preform by using modified chemical vapor deposition(MCVD) containing dehydration and desalination, which removes hydroxide groups causing light absorption loss and chlorine causing light scattering loss. CONSTITUTION: The process comprises: a sooting process to produce silica soot(12) by injecting reaction gas and oxygen gas into a silicon oxide tube(10) and heating the tube(10) at a sintering temperature or lower, especially 1400-1600deg.C by using a reciprocating torch(14); the dehydration process to remove the hydroxide groups from the silica soot(12) by injecting a mixed gas containing chlorine into the tube(10) and heating at a lower temperature than the sooting process, especially 900-1200deg.C by using the reciprocating torch(14) with a velocity of less than 700mm/min; the desalination process to remove the chlorine from the silica soot(12) by injecting a mixed gas containing oxygen gas into the tube(10) and heating at a higher temperature than the dehydration process and a lower temperature than the sooting process by using the reciprocating torch(14) with a velocity of less than 700mm/min; a sintering process to sinter the silica soot(12) by heating the tube(10) at the sintering temperature or higher, especially 1700deg.C or higher by using the reciprocating torch(14) with a velocity of less than 700mm/min.

    Abstract translation: 目的:提供一种通过使用含有脱水和脱盐的改性化学气相沉积(MCVD)来生产光纤预制棒的方法,该方法除去引起光吸收损失的氢氧根和引起光散射损失的氯。 构成:该方法包括:通过将反应气体和氧气注入氧化硅管(10)中并在烧结温度或更低温度(特别是1400-1600℃)下加热管(10)来生产二氧化硅烟灰(12)的烟炱过程。 C通过使用往复式手电筒(14); 通过将含有氯的混合气体注入管(10)中并从低于烟炱过程的温度加热,特别是900-1200℃的加热,通过使用往复式火炬(12),从二氧化硅烟炱(12)中除去氢氧基的脱水过程 (14),速度小于700mm / min; 通过将含有氧气的混合气体注入到管(10)中并在比脱水过程更高的温度下加热并且比通过使用往复运动的烟炱过程具有更低的温度来从二氧化硅烟炱(12)中除去氯的脱盐过程 火炬(14),速度小于700mm / min; 通过使用以700mm / min以下的速度的往复式炬(14)在烧结温度以上,特别是1700℃以上的温度加热管(10)来烧结二氧化硅烟炱(12)的烧结工序。

    광파이버모재용 석영유리관 및 그 제조방법
    248.
    发明公开
    광파이버모재용 석영유리관 및 그 제조방법 失效
    QUARTZ玻璃管用于生产光纤预制件

    公开(公告)号:KR1020000035123A

    公开(公告)日:2000-06-26

    申请号:KR1019990047866

    申请日:1999-10-30

    Abstract: PURPOSE: A quartz glass tube for optical fiber preforms capable of producing optical fiber preforms is provided, which has high dimensional precis ion, excellent distribution of refraction index, and yet free from degradation and the like of working environment. CONSTITUTION: The object above is accomplished by a quartz glass tube for use in the production of optical fiber preforms, characterized in that the high temperature viscosity thereof is varied in the wall thickness direction, and that the high temperature viscosity in the inner layer side is lower than that of the outer layer side. It is shown how the viscosity and the refractive index are influenced by different doping agents to optimize producing parameters for the optical fiber preform and the distribution of refraction index of the optical fiber preform obtained. A method for producing an optical fiber preform comprising inserting a core glass rod into said quartz glass tube and melt welding them together is also disclosed.

    Abstract translation: 目的:提供一种能够生产光纤预制棒的光纤预制棒的石英玻璃管,其具有高尺寸精度,优异的折射率分布,并且没有工作环境的劣化等。 构成:上述目的是通过用于生产光纤预制棒的石英玻璃管实现的,其特征在于其高温粘度在壁厚方向上变化,内层侧的高温粘度为 低于外层侧。 示出了粘度和折射率如何受到不同的掺杂剂的影响,以优化光纤预型件的生产参数和所获得的光纤预制件的折射率分布。 还公开了一种用于制造光纤预制棒的方法,其包括将芯玻璃棒插入所述石英玻璃管并将其熔化在一起熔化。

    광파이버용 유리모재의 제조방법
    249.
    发明授权
    광파이버용 유리모재의 제조방법 失效
    生产玻璃预制件的方法

    公开(公告)号:KR1019890001124B1

    公开(公告)日:1989-04-24

    申请号:KR1019850003265

    申请日:1985-05-14

    Abstract: A method for producing a glass preform for an optical fiber comprises (a) dehydrating a porous preform composed of GeO2-SiO2 fine glass particles, (b) heating the preform under oxygen gas atmosphere contg. at least F-system gas so as to be dehydrated at a temp. at which violent shrinkage does not occur, and then (c) heating the preform under He gas atmosphere at such temp. that the preform is throughly vitrified. The fine glass particles are composed of P2O5, GeO2 and SiO2.

    Abstract translation: 制造光纤用玻璃预制体的方法包括:(a)使由GeO 2 -SiO 2微细玻璃粒子构成的多孔预成型体脱水,(b)在氧气气氛下加热预成型体。 至少F系统气体,以便在温度下脱水。 不会发生剧烈收缩,然后(c)在这样的温度下在He气体气氛下加热预制件。 预成型件通透玻璃化。 细玻璃颗粒由P2O5,GeO2和SiO2组成。

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