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    • 62. 发明专利
    • Method for manufacturing vessel with mold releasing layer for melting silicon, and vessel for melting silicon
    • 用于制造用于熔融硅的模具释放层的容器的方法和用于熔融硅的容器
    • JP2005271058A
    • 2005-10-06
    • JP2004090562
    • 2004-03-25
    • Tosoh Quartz Corp東ソー・クォーツ株式会社
    • SEKI KOJIMATSUDA TAKASHIKATO TADAAKI
    • B22D41/02B22D25/04B22D27/18C01B33/02C03B20/00
    • Y02P40/57
    • PROBLEM TO BE SOLVED: To produce a mold releasing layer excellent in sinterability and mechanical strength on the inner face of a vessel for melting silicon, with high productivity. SOLUTION: The inner face of the molded vessel for melting silicon is coated with a silicon compound or a silicon composite agent and then the molded vessel is fired. Silica powder slurry is poured into a mold to form the vessel, and the vessel is dried. The inner face of the vessel is uniformly coated by an airbrush with water slurry produced by mixing Si 3 N 4 and a dispersion agent. After the water slurry is dried, the vessel is sintered at 1,200°C in a firing furnace so as to obtain the vessel for melting silicon on whose inner face the mold releasing layer excellent in mechanical strength and sinterability is formed. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:以高生产率制造在用于熔化硅的容器的内表面上具有优异的烧结性和机械强度的脱模层。 解决方案:用于熔化硅的模制容器的内表面涂覆有硅化合物或硅复合材料,然后将模制容器烧制。 将二氧化硅粉末浆料倒入模具中以形成容器,并将容器干燥。 容器的内表面用喷枪均匀地涂覆有通过混合Si< SB> N< SB> 4> 4< SB>和分散剂产生的水浆料。 在水浆干燥后,在烧成炉中在1200℃下烧结容器,得到其内表面形成机械强度和烧结性优异的脱模层的硅熔融容器。 版权所有(C)2006,JPO&NCIPI
    • 63. 发明专利
    • Opaque silica glass molding and method for producing the same
    • OPAQUE二氧化硅玻璃成型及其制造方法
    • JP2005139018A
    • 2005-06-02
    • JP2003375511
    • 2003-11-05
    • Tosoh CorpTosoh Quartz Corp東ソー・クォーツ株式会社東ソー株式会社
    • OSADA HIRONARIKUDO MASAYUKITSUYOSHI TORUKIMURA SHIGEO
    • C03B20/00C04B35/14
    • C03B19/06C03B19/066C03B20/00
    • PROBLEM TO BE SOLVED: To provide an opaque silica glass molding being an opaque silica glass molding with its surface entirely covered with transparent silica glass and being excellent in surface smoothness and light shielding properties.
      SOLUTION: The molding is an opaque silica glass molding with its surface entirely covered with a transparent silica glass layer, wherein the opaque part comprises silica glass and voids at least 90% of which have maximum diameters of below 20 μm and has an apparent density of 2.00 to 2.20 g/cm
      3 . The thickness of the transparent layer at the thinnest part of the molding is 1/1,000 to 400/1,000 of the thickness of the opaque part, and the surface roughness Ra on at least one surface is 0.05 to 0.5 μm. This molding is obtained by injection-molding a kneaded mixture of a binder and silica glass being spherical particles having the maximum diameter and the minimum diameter in the range of 0.01 to 20 μm and containing 5 to 70 wt.% 0.2 μm or smaller particles, degreasing the molding by heating, and vacuum-sintering the molding at 1,100 to 1,400°C.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种不透明的石英玻璃模制品,其是不透明的石英玻璃模制品,其表面完全被透明的石英玻璃覆盖并且具有优异的表面平滑性和遮光性。 解决方案:模制品是不透明的石英玻璃模制品,其表面完全被透明的石英玻璃层覆盖,其中不透明部分包括二氧化硅玻璃和至少90%的最大直径小于20μm的空隙,并且具有 表观密度为2.00〜2.20g / cm 3。 成型体最薄部分的透明层的厚度为不透明部分厚度的1 / 1,000〜400 / 1,000,至少一个表面的表面粗糙度Ra为0.05〜0.5μm。 该成型是将具有最大直径和最小直径的球状粒子的粘合剂和石英玻璃的捏合混合物注射成型为0.01〜20μm,含有5〜70重量%的0.2μm以下的粒子, 通过加热脱模成型,在1100〜1400℃下进行真空烧结。 版权所有(C)2005,JPO&NCIPI
    • 68. 发明专利
    • Mold material, and production method of quartz glass molding using mold material
    • 模具材料,以及使用模具材料制成的QUARTZ玻璃成型方法
    • JP2014108912A
    • 2014-06-12
    • JP2012264372
    • 2012-12-03
    • Tosoh Quartz Corp東ソー・クォーツ株式会社
    • CHIBA KAZUYUKI
    • C03B19/02C03B20/00
    • Y02P40/57
    • PROBLEM TO BE SOLVED: To provide a mold material capable of obtaining a quartz glass molding by heating and molding efficiently a plurality of quartz glass materials such as a remainder material, and improving the yield of productization of the obtained quartz glass molding, and to provide a production method of the quartz glass molding using the mold material.SOLUTION: A mold material 10 for molding a columnar quartz glass molding having an enlarged outer diameter of quartz glass materials by heating and melting the columnar quartz glass materials 106, 108 has a bottom plate 102, a cylindrical member 104 disposed on the bottom plate 102 in the state where one opening part has a contact with the bottom plate 102, and at least one partition plate 12 movable vertically in the cylindrical member 104.
    • 要解决的问题:为了提供能够通过对多余的石英玻璃材料如剩余材料进行加热和模塑而获得石英玻璃模制品的模具材料,并且提高所获得的石英玻璃模制品的产率,并提供 使用该模具材料的石英玻璃成型体的制造方法。解决方案:通过对柱状石英玻璃材料106,108进行加热熔融而成型具有石英玻璃材料外径增大的柱状石英玻璃成形体的模具材料10具有底部 板102,在一个开口部分与底板102接触的状态下设置在底板102上的圆柱形构件104以及在圆柱形构件104中可垂直移动的至少一个分隔板12。
    • 69. 发明专利
    • Production method and production tool of black quartz glass
    • 黑色玻璃的生产方法和生产工具
    • JP2014091659A
    • 2014-05-19
    • JP2012244349
    • 2012-11-06
    • Tosoh Quartz Corp東ソー・クォーツ株式会社
    • MIURA NAOKI
    • C03B20/00
    • PROBLEM TO BE SOLVED: To obtain black quartz glass having high shieldability by reducing niobium pentoxide sufficiently, when a mixture of niobium pentoxide and quartz glass powder is heated and melted.SOLUTION: A mixture raw material 4 of 25 g niobium pentoxide and 4 kg quartz glass powder is filled into a tool 1 formed by spreading a carbon felt 3 over the inside of a box-like container 1 formed by combining carbon plates 10 each having a gas discharge hole 2, and covered with a carbon felt 31, and a lid 11 of the carbon plate having the gas discharge hole 2 is placed on the container 1, and then the inside of an electric furnace is heated at 1800°C in the vacuum state, to thereby melt the mixture raw material 4. Obtained black quartz glass has similar shieldability to conventional product with the thickness of 3 mm or more.
    • 要解决的问题:通过将五氧化二铌充分还原铌来获得具有高屏蔽性的黑色石英玻璃,当五氧化二铌和石英玻璃粉末的混合物被加热熔化时。溶液:将25g五氧化二铌和4kg石英的混合物原料4 将玻璃粉末填充到通过将碳毡3覆盖在通过组合碳板10而形成的盒状容器1的内部而形成的工具1中,所述碳板10具有气体排出孔2,并被碳毡31覆盖 将具有气体排出孔2的碳板11放置在容器1上,然后在真空状态下将电炉的内部加热至1800℃,从而熔化混合物原料4.获得黑色石英玻璃 具有与3mm以上厚度的常规产品相似的屏蔽性。