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    • 1. 发明专利
    • Production method of zirconia microparticle
    • ZIRCONIA微生物的生产方法
    • JP2008143733A
    • 2008-06-26
    • JP2006331787
    • 2006-12-08
    • Asahi Glass Co Ltd旭硝子株式会社
    • BEPPU YOSHIHISAINABA TADAYUKISUNAHARA KAZUO
    • C01G25/02
    • PROBLEM TO BE SOLVED: To provide a production method for easily obtaining a zirconica microparticle having a high crystallinity, a small particle diameter and a large specific surface area. SOLUTION: The production method sequentially comprises: a step of obtaining a melt containing, expressed in terms of molar percent on an oxide basis, 3-30% ZrO 2 , 10-55% RO (provided that R is at least one chosen from the group consisting of Ba, Sr, Ca, Mg and Zn) and 30-80% B 2 O 3 ; a step of quenching the melt to obtain an amorphous substance; a step of heating the amorphous substance to obtain a deposit containing a zirconia crystal; and a step of separating the zirconia crystal from the deposit to obtain the zirconia microparticle. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种容易获得具有高结晶度,小粒径和大比表面积的锆石微粒的制备方法。 解决方案:制备方法依次包括:获得含有以氧化物为基准的摩尔百分比表示的熔体的步骤,3-30%ZrO 2 SBB,10-55%RO( 条件是R为选自Ba,Sr,Ca,Mg和Zn中的至少一种)和30-80%B 2 3 ; 淬火熔体以获得无定形物质的步骤; 加热无定形物质以获得含有氧化锆晶体的沉积物的步骤; 以及从沉积物中分离氧化锆晶体以获得氧化锆微粒的步骤。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Apparatus and method for producing porous quartz glass preform
    • 用于生产多孔QUARTZ玻璃预制件的装置和方法
    • JP2011225412A
    • 2011-11-10
    • JP2010099286
    • 2010-04-22
    • Asahi Glass Co Ltd旭硝子株式会社
    • INABA TADAYUKISHO RYUKOIKE AKIOFUKAZAWA YASUSHI
    • C03B8/04C03B37/018
    • C03B37/01406
    • PROBLEM TO BE SOLVED: To provide an apparatus for producing a porous quartz glass preform in which leak of a gas such as hydrogen chloride from a reaction furnace synthesizing a porous quartz glass is prevented, and also, the intrusion of a foreign matter from the outside of the reaction furnace can be prevented, and to provide a method for producing the porous quartz glass preform.SOLUTION: A supply and exhaust device 10 includes: a pipe line 11 for gas feed for feeding clean gas to the inside of the supply and exhaust device 10; and a pipe line 9 for gas exhaust for exhausting the gas leaked out to the inside of the supply and exhaust device 10 from the reaction furnace 101. Here, an ascending air current is discharged from a gap 17 formed between an opening part 7 disposed at the upper face of the supply and exhaust device 10 and a seed rod 108 pierced through the opening part 7, to the outside.
    • 要解决的问题:提供一种制造多孔石英玻璃预制件的装置,其中防止了来自合成多孔石英玻璃的反应炉中的诸如氯化氢的气体的泄漏,以及异物侵入 可以防止从反应炉的外部,并提供一种生产多孔石英玻璃预成型件的方法。 排气装置10包括:供给排气装置10的内部供给清洁气体的气体供给用管道11; 以及用于从反应炉101排出泄漏到供排气装置10内部的气体的排气管线9.这里,上升气流从形成在设置在供给排气装置10的开口部7之间的间隙17排出 供排气装置10的上表面和穿过开口部7的种子棒108到达外部。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Method for producing quartz glass preform
    • 生产石英玻璃预制件的方法
    • JP2011102232A
    • 2011-05-26
    • JP2010231167
    • 2010-10-14
    • Asahi Glass Co Ltd旭硝子株式会社
    • INABA TADAYUKIKOIKE AKIO
    • C03B8/04C03B37/018
    • C03B19/1423C03B2207/06C03B2207/62C03B2207/64Y02P40/57
    • PROBLEM TO BE SOLVED: To provide a method for efficiently and stably producing a quartz glass preform of 50 kg or more in mass or a quartz glass preform having a diameter of 400 mmϕ or more, by a VAD (vapor phase axial deposition) method.
      SOLUTION: The method is used for producing a porous quartz glass body 400 by feeding a silicon raw material and the other plurality of gases into a multitubular burner 100, wherein an angle between a line obtained by being projected onto a plane parallel to the central axis of the multitubular burner 100, and the rotation axis of the rotating target 300 is less than 10°, wherein a distance between an end face of the central nozzle and an intersection point of a central axis of the multitubular burner 100 with a surface of the target 300 or a surface of the porous quartz glass body 400 deposited on the target 300 is from 3d to 6d (mm), in which d(mm) is a diameter of an outermost periphery of the multitubular burner 100, and in which an amount of a gas fed to the central nozzle is 0.30S
      c (L/min) or less under the standard state (0°C and 1 atm), in which S
      c (mm
      2 ) is an opening area of the central nozzle.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 解决问题的方法为了提供一种通过VAD(气相轴向沉积法)有效稳定地制造质量为50kg以上的石英玻璃预制体或直径为400mmφ以上的石英玻璃预成型体的方法 ) 方法。 解决方案:该方法用于通过将硅原料和其它多种气体进料到多管式燃烧器100中来制造多孔石英玻璃体400,其中通过投影到平行于 多管式燃烧器100的中心轴线和旋转靶300的旋转轴线小于10°,其中中心喷嘴的端面与多管式燃烧器100的中心轴线的交点与 靶300的表面或沉积在靶300上的多孔石英玻璃体400的表面为3d〜6d(mm),其中d(mm)为多管燃烧器100的最外周的直径, 在标准状态(0℃和1大气压)下,供给中心喷嘴的气体量为0.30S C(SB / S)以下,其中S < / SB>(mm 2 )是中心喷嘴的开口面积。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Method for producing glass powder
    • 生产玻璃粉的方法
    • JP2014037328A
    • 2014-02-27
    • JP2012179898
    • 2012-08-14
    • Asahi Glass Co Ltd旭硝子株式会社
    • INABA TADAYUKIMATSUMOTO SHUJITANIDA MASAMICHISASAKURA HIDEFUMI
    • C03B19/10C03C3/16C03C3/17C03C3/19C03C12/00
    • PROBLEM TO BE SOLVED: To provide a method for producing a transparent glass powder for hermetic seal which sealing at a low temperature is possible, and pigmentation and crystallization are hardly caused during the sealing, and high luminous efficiency can be obtained.SOLUTION: The method for producing a transparent glass powder for hermetic seal includes: a process 101 for preparing a liquid raw material including a glass raw material compound and a solvent; a process 102 for spraying the liquid raw material in a non-oxidizing atmosphere heated at 200°C or higher to perform heat treatment; and a process 103 for collecting a produced glass powder. The non-oxidizing atmosphere is composed of an inert gas atmosphere or a reduced pressure atmosphere.
    • 要解决的问题:提供一种用于制造用于气密密封的透明玻璃粉末的方法,其可以在低温下进行密封,并且在密封期间几乎不引起色素沉淀和结晶,并且可以获得高的发光效率。方法:该方法 用于生产用于气密密封的透明玻璃粉末包括:用于制备包括玻璃原料化合物和溶剂的液体原料的方法101; 用于将液体原料喷射到加热至200℃以上的非氧化性气氛中进行热处理的工序102; 以及用于收集生产的玻璃粉末的工艺103。 非氧化性气氛由惰性气体气氛或减压气氛组成。
    • 7. 发明专利
    • Method and apparatus for producing porous glass fine particle deposit
    • 用于生产多孔玻璃微粒沉积的方法和装置
    • JP2012176861A
    • 2012-09-13
    • JP2011039961
    • 2011-02-25
    • Asahi Glass Co Ltd旭硝子株式会社
    • INABA TADAYUKISHO RYUOGAWA TOMOTAKA
    • C03B8/04C03B37/018
    • C03B37/014C03B2207/46Y02P40/57
    • PROBLEM TO BE SOLVED: To provide a method for producing a porous glass fine particle deposit having high production efficiency by allowing glass fine particles generated by a burner for synthesizing glass fine particles or the like to adhere/deposit efficiently on the surface of a starting material, and to provide a production apparatus used for the production method.SOLUTION: In this method, a porous glass fine particle deposit is formed, while forming a deposit surface of glass fine particles successively by allowing glass fine particles to adhere and deposit on the surface of the starting material, by blowing glass fine particles generated by using a burner for synthesizing glass fine particles or a plasma torch onto the surface of the starting material rotating around a shaft in a reaction vessel. In the production method, a region in which a geometric factor to the deposit surface of the glass fine particles is ≥0.2 is selected from the whole region of a wall part of the reaction vessel, and then cooled.
    • 解决问题的方法:提供一种制造生产效率高的多孔玻璃微粒沉积物的方法,该玻璃微粒沉积物是通过使由玻璃微粒等合成的燃烧器产生的玻璃微粒有效地附着/沉积在 起始材料,并提供用于制造方法的制造装置。 解决方案:在该方法中,形成多孔玻璃微粒沉积物,同时通过使玻璃微粒粘附并沉积在原料的表面上,依次通过吹玻璃微粒形成玻璃微粒的沉积表面 通过使用用于将玻璃微粒或等离子体焰炬合成的燃烧器产生在在反应容器内围绕轴旋转的起始材料的表面上。 在制造方法中,从反应容器的壁部的整个区域选择玻璃微粒的析出面的几何因子≥0.2的区域,然后冷却。 版权所有(C)2012,JPO&INPIT