Ultrasonic dispersion apparatus for silica sol
    1.
    发明授权
    Ultrasonic dispersion apparatus for silica sol 失效
    硅溶胶超声波分散装置

    公开(公告)号:US06438998B1

    公开(公告)日:2002-08-27

    申请号:US09639333

    申请日:2000-08-16

    IPC分类号: C03B37016

    摘要: Disclosed are apparatus and method for ultrasonically dispersing a silica sol such as is used in a process of manufacturing a silica glass by a sol-gel method. The apparatus includes a sol feeder for holding a sol to be dispersed, a sol container for containing the ultrasonically dispersed sol, a medium tank having a liquid-phase ultrasonic medium, an ultrasonic vibrator for generating ultrasonic waves within the tank, and a sol pipe for providing a sol feeding path connecting the sol feeder and the sol container to each other, the sol pipe having a portion submerged under the ultrasonic medium in the medium tank. The portion of the sol pipe submerged under the ultrasonic medium has a shape bent in a zigzagged fashion.

    摘要翻译: 公开了通过溶胶 - 凝胶法在石英玻璃的制造方法中使用的二氧化硅溶胶的超声波分散装置和方法。 该装置包括用于保持待分散的溶胶的溶胶进料器,用于容纳超声波分散的溶胶的溶胶容器,具有液相超声波介质的介质罐,在罐内产生超声波的超声波振动器,以及溶胶管 为了提供将溶胶进料器和溶胶容器彼此连接的溶胶进料路径,溶胶管具有浸没在介质槽内的超声介质下的部分。 浸没在超声波介质下的溶胶管的部分具有以锯齿形的方式弯曲的形状。

    Method of fabricating preform for holey optical fiber
    4.
    发明申请
    Method of fabricating preform for holey optical fiber 审中-公开
    多孔光纤预制棒的制造方法

    公开(公告)号:US20050193774A1

    公开(公告)日:2005-09-08

    申请号:US10933104

    申请日:2004-09-02

    摘要: A method of fabricating a preform for a holey optical fiber, which prevents gel tubes from cracking includes the steps of: (a) forming sol using a starting material of silica glass; (b) pouring the silica glass in the sol state produced in step (a) into a plurality of molds, and gelating the silica glass to form a plurality of gel tubes, each having one air hole; (c) drying the gel tubes after removing the plurality of gel tubes from the individual molds; (d) applying a heat treatment of the gel tubes dried in step (c) to remove moisture and impurities contained in the gel tubes; (e) stacking the gel tubes, which have been subjected to heat treatment in step (d), in a predetermined array; and (f) sintering the stacked gel tubes, thereby vitrifying the gel tubes.

    摘要翻译: 一种防止凝胶管破裂的多孔光纤预制件的制造方法包括以下步骤:(a)使用二氧化硅玻璃原料形成溶胶; (b)将在步骤(a)中制备的溶胶状态的二氧化硅玻璃倒入多个模具中,凝胶化石英玻璃以形成多个凝胶管,每个凝胶管具有一个气孔; (c)在从各个模具中取出多个凝胶管之后干燥凝胶管; (d)对在步骤(c)中干燥的凝胶管进行热处理以除去凝胶管中所含的水分和杂质; (e)以预定的阵列堆叠在步骤(d)中进行了热处理的凝胶管; 和(f)烧结层叠的凝胶管,由此玻璃化凝胶管。

    Process for producing holey fiber preform
    5.
    发明申请
    Process for producing holey fiber preform 审中-公开
    多孔纤维预制棒的生产工艺

    公开(公告)号:US20050178160A1

    公开(公告)日:2005-08-18

    申请号:US10939791

    申请日:2004-09-13

    摘要: Disclosed is a process for producing a holey fiber preform through a sol-gel molding method. The process comprises the steps of: (a) expanding a plurality of elongated tubes, wherein the tubes can be expanded/contracted by control of pressure in the tubes, (b) positioning the expanded tubes in the mold in a predetermined arrangement; (c) introducing a sol gel into the mold; (d) separating the gel from the mold, and contracting the tubes to form elongated air holes in the gel; and (e) removing the tubes. In the process, the tubes for forming air holes can be removed with no impact on the dried gel.

    摘要翻译: 公开了一种通过溶胶 - 凝胶成型方法制造多孔纤维预型体的方法。 该方法包括以下步骤:(a)扩展多根细长的管,其中通过控制管中的压力来扩张/收缩管,(b)以预定布置将膨胀管定位在模具中; (c)将溶胶凝胶引入模具中; (d)将凝胶与模具分离,并收缩管以在凝胶中形成细长的空气孔; 和(e)去除管。 在此过程中,用于形成空气孔的管可以被去除,而不影响干燥的凝胶。

    Method for fabricating silica glass using sol-gel process
    8.
    发明授权
    Method for fabricating silica glass using sol-gel process 失效
    使用溶胶 - 凝胶法制造石英玻璃的方法

    公开(公告)号:US06860118B2

    公开(公告)日:2005-03-01

    申请号:US10179704

    申请日:2002-06-25

    CPC分类号: C03B19/12

    摘要: The present invention discloses a method for fabricating silica glass using a sol-gel process, which includes a sol forming step for forming a sol by mixing a starting material, deionized water and an additive together; gelation step for gelatinizing the sol after filling a circular mold with the gel produced; gel drying step for separating the gel from the circular mold and drying the gel; setting step for placing the gel inside of a heat chamber and injecting helium gas into the heat chamber; and low heat treatment step for pressurizing and depressurizing an internal pressure of the heat chamber repeatedly for several times.

    摘要翻译: 本发明公开了一种使用溶胶 - 凝胶法制造石英玻璃的方法,其包括通过将原料,去离子水和添加剂混合在一起而形成溶胶的溶胶形成步骤; 用生成的凝胶填充圆形模具之后使溶胶凝胶化的凝胶化步骤; 凝胶干燥步骤,用于将凝胶与圆形模具分离并干燥凝胶; 凝固步骤,用于将凝胶放置在加热室内部并将氦气注入加热室中; 以及低热处理步骤,用于反复加热和减压加热室的内部压力数次。

    Micro-bubble analyzing apparatus for high-purity glass tube using laser light scattering
    10.
    发明授权
    Micro-bubble analyzing apparatus for high-purity glass tube using laser light scattering 有权
    用于使用激光散射的高纯度玻璃管的微气泡分析装置

    公开(公告)号:US06822735B2

    公开(公告)日:2004-11-23

    申请号:US10298982

    申请日:2002-11-18

    IPC分类号: G01N2100

    CPC分类号: G01N21/958

    摘要: Enclosed is an apparatus for analyzing micro-bubbles inside a high-purity glass tube by using a laser light dispersion. The apparatus includes: an optical base having a sample stage in a substantially horizontal orientation; a glass tube rotably mounted on the optical base in a substantially vertical orientation, the glass tube being rotated and translated in a vertical direction at a predetermined speed via the sample stage; a light generator disposed at one side of the glass tube for selectively irradiating a laser light onto an outer surface of the glass tube at a prefixed angle; and, a detector disposed at the other side of the glass tube for detecting the distribution and amount of micro-bubbles of the glass tube using the laser light passed through the glass tube.

    摘要翻译: 封闭的是通过使用激光分散体来分析高纯度玻璃管内的微气泡的装置。 该装置包括:具有大致水平取向的样品台的光学基座; 玻璃管以大致垂直的方向可旋转地安装在光学基座上,玻璃管经由样品台以预定速度在垂直方向上旋转和平移; 设置在所述玻璃管的一侧的光发生器,用于以预定角度选择性地将激光照射到所述玻璃管的外表面上; 以及检测器,设置在玻璃管的另一侧,用于检测使用穿过玻璃管的激光的玻璃管的微气泡的分布和数量。