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    • 51. 发明公开
    • Manufacturing method of optical waveguide
    • Verfahren zur Herstellung eines optischen Wellenleiters
    • EP1153894A1
    • 2001-11-14
    • EP01304085.2
    • 2001-05-04
    • The Furukawa Electric Co., Ltd.
    • Komatsu, TakuyaKashihara, KazuhisaNara, Kazutaka
    • C03B19/14C23C16/44
    • C03B19/1446C23C16/4412C23C16/453Y02P40/57
    • The invention provides a manufacturing method of an optical waveguide able to precisely manufacture the optical waveguide having a waveguide construction as designed, and improve yield as one example. In this manufacturing method, a hydrolysis reaction of raw material gas of glass is caused within an oxygen-hydrogen flame by flowing the raw material gas, oxygen gas and hydrogen gas from a burner, and an optical waveguide forming area is formed by depositing glass particulates on a substrate. The oxygen-hydrogen flame is injected toward the optical waveguide forming area in a slanting direction on the substrate. An exhaust pipe is arranged on the discharging side of an injecting flow. Surplus glass particulates unattached to the optical waveguide forming area are sucked and exhausted by the exhaust pipe. The surplus glass particulates are sucked and exhausted by the exhaust pipe by inclining a suction port side of the exhaust pipe by an angle within a range from 5° to 30° with respect to a face of the substrate.
    • 本发明提供一种光波导的制造方法,其能够精确地制造具有设计的波导结构的光波导,并且作为一个示例提高产量。 在该制造方法中,通过使来自燃烧器的原料气体,氧气和氢气流动而在氧 - 氢火焰内引起玻璃原料气体的水解反应,并且通过沉积玻璃微粒形成光波导形成区域 在基板上。 在基板上沿着倾斜方向朝向光波导形成区域注入氧 - 氢火焰。 排气管布置在喷射流的排放侧。 未连接到光波导形成区域的剩余玻璃微粒被排气管吸引并排出。 通过使排气管的吸入口侧相对于基板的表面倾斜5°〜30°的角度,将多余的玻璃微粒吸引排气。
    • 53. 发明公开
    • Method for manufacturing sinterable glass bodies
    • Verfahren zur Herstellung vongrillfähigenGlaskörpern。
    • EP0127956A1
    • 1984-12-12
    • EP84303074.3
    • 1984-05-08
    • Aetna Telecommunications Laboratories
    • Nath, Dilip K.
    • C03B37/025C03B19/00C03B19/06C03B19/10
    • C03B19/106C03B19/06C03B19/1415C03B19/1446C03B37/01282C03B37/014
    • An apparatus and method for forming and collecting glass powders and for producing therefrom transparent, highly pure glass bodies of any shape. Glass oxide precursors are introduced into a torch to produce glass powders. These are collected and shaped into any desirable form by a die or mold. The shaped powders are sintered in successive heating steps at temperatures lower than the melting or decomposition temperature of the glass body to produce first a rigid opaque body and then a rigid transparent glass of the desired form. The powders are of submicron size and are extremely reactive and pure, and are produced by supplying glass oxide precursors to a torch, such as an oxyhydrogen, oxyhydrocarbon or plasma torch. The powders are shaped into any complicated form through the use of a non-reactive mold. The compact powdered body thus formed is rigidized by sintering within the mold at a first temperature. The rigid, opaque glass body resulting from the initial sintering is subjected to a final sintering at a temperature above the first temperature and belowthe melting point of the glassto form a fully transparent glass structure. This glass structure is a pure or doped silica body applicable for use as a high-temperature lamp envelope, container for growing silicon crystals, preform for making optical wave guides, couplers, prisms, lenses, filters, or other high-quality optical products of any shape.
    • 用于形成和收集玻璃粉末并用于生产任何形状的透明,高纯度玻璃体的装置和方法。 将玻璃氧化物前体引入火炬中以产生玻璃粉末。 这些被模具或模具收集并成形为任何所需的形状。 成型的粉末在比玻璃体的熔化或分解温度低的温度下在连续加热步骤中烧结,以首先产生刚性不透明体,然后制成所需形式的刚性透明玻璃。 该粉末具有亚微米尺寸并且具有极好的反应性和纯度,并且通过将玻璃氧化物前体供应到诸如氢氧,氧化烃或等离子体焰炬的手电筒来制备。 粉末通过使用非反应性模具成形为任何复杂形式。 这样形成的致密粉末体在第一温度下在模具内烧结而硬化。 由初始烧结产生的刚性不透明玻璃体在高于第一温度且低于玻璃熔点的温度下进行最终烧结以形成完全透明的玻璃结构。 该玻璃结构是适用于高温灯管,用于生长硅晶体的容器,用于制造光波导的预成型件,耦合器,棱镜,透镜,滤光器或其它高品质光学产品的纯或掺杂二氧化硅本体 任何形状。
    • 59. 发明专利
    • Method and apparatus for treating hydrochloric acid waste liquid
    • 用于处理氢氯酸废液的方法和装置
    • JP2006231244A
    • 2006-09-07
    • JP2005051591
    • 2005-02-25
    • Asahi Glass Co Ltd旭硝子株式会社
    • IWATA KATSURASAKUMA TAKUYAKATO MASAYUKI
    • C02F1/66C03B8/04C03B20/00C03B37/018
    • C03B19/1446Y02P40/57
    • PROBLEM TO BE SOLVED: To provide a method for treating a hydrochloric acid waste liquid which efficiently neutralizes the hydrochloric acid waste liquid formed from hydrogen chloride gas generated when synthetic glass such as high-purity quartz glass or the like is produced to allow discharge outside, and its apparatus. SOLUTION: The apparatus for treating the hydrochloric acid waste liquid 8 which forms the hydrochloric acid waste liquid from the hydrogen chloride gas generated when a porous glass base material is produced to discharge by neutralizing the hydrochloric acid waste liquid 8 includes a neutralization tank 5 which feeds the hydrochloric acid waste liquid 8 to the bottom part side and neutralizes this with granular lime stone 9 deposited on the bottom part to form a neutralized waste liquid 8A; an agitation means which comprises a first air pipe V 1 to a fourth air pipe V 4 , a first circulation pipe 51 and a fifth air pipe V 5 , and a second circulation pipe 52 and a sixth air pipe V 6 that agitate the lime stone 9 in the neutralization tank 5; and a discharge port 71 to be a discharge means for discharging the neutralized waste liquid 8A from the upper side of the neutralization tank 5. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种处理盐酸废液的方法,该方法有效地中和在生产合成玻璃如高纯石英玻璃等时产生的氯化氢气体形成的盐酸废液,以允许 排出外部及其装置。 解决方案:通过生产多孔玻璃基材时通过中和盐酸废液8排出而产生的氯化氢气体中形成盐酸废液的盐酸废液8的处理装置包括中和罐 5,其将盐酸废液8供给到底部侧,并将沉积在底部的颗粒状石灰9中和,形成中和废液8A; 包括第一空气管V 至第四空气管V 4的搅拌装置,第一循环管51和第五空气管V < SB>以及搅拌中和罐5中的石灰石9的第二循环管52和第六空气管V SB 6; 以及作为用于从中和罐5的上侧排出中和的废液8A的排出装置的排出口71.版权所有(C)2006,JPO&NCIPI