Quartz glass crucible and method for the production thereof
    81.
    发明授权
    Quartz glass crucible and method for the production thereof 有权
    石英玻璃坩埚及其生产方法

    公开(公告)号:US07226508B2

    公开(公告)日:2007-06-05

    申请号:US10512114

    申请日:2003-04-03

    Abstract: A known quartz glass crucible for crystal pulling consists of a crucible wall, having an outer layer which is provided in an external area thereof with a crystallisation promoter which results in crystallisation of quartz glass, forming cristobalite when the quartz glass crucible is heated according to specified use in crystal pulling. The aim of the invention is to provide a quartz glass crucible which has a long service life. As a result, the crystallisation promoter contains, in addition to a silicon, a first component which acts as a reticulating agent in quartz glass and a second component which is free of alkali metals and which acts as an agent forming separating points in quartz glass. The above mentioned components are contained and incorporated into a doping area (8) of the outer layer (6) having a layer thickness of more than 0.2 mm.

    Abstract translation: 已知的用于晶体拉制的石英玻璃坩埚由坩埚壁组成,外壁具有结晶促进剂,结晶促进剂导致石英玻璃结晶,当石英玻璃坩埚根据规定加热时形成方英石 用于水晶拉。 本发明的目的是提供一种使用寿命长的石英玻璃坩埚。 结果,除了硅之外,结晶促进剂还含有在石英玻璃中充当网状剂的第一组分和不含碱金属的第二组分,其作为在石英玻璃中形成分离点的试剂。 上述组分被包含并且结合到层厚度大于0.2mm的外层(6)的掺杂区域(8)中。

    Optical waveguides and devices including same
    82.
    发明申请
    Optical waveguides and devices including same 失效
    光波导和包括其的器件

    公开(公告)号:US20030039459A1

    公开(公告)日:2003-02-27

    申请号:US10241615

    申请日:2002-09-12

    Abstract: A photosensitive glass made of a ternary compound SiO2:SnO2:R2O where R is a Group I element such as Na, K or Li. The addition of an oxide of a Group I element increases the solubility of tin oxide in a silica matrix and produces a glass which is highly photosensitive and in which optically written refractive index modulations have remarkable temperature stability (solid circles) at least as good as that of the binary glass SiO2:SnO2 (open circles) and much superior to that of conventional germanosilicate glass (solid triangles) or borogermanosilicate glass (open triangles). The inclusion of the Group I oxide effectively increases the solubility of tin oxide in the non-crystalline silica matrix well above the 1% limit of SiO2:SnO2 photosensitive glass, at which Sn would normally crystallize in the oxide. By contrast to boron or phosphorous co-dopants, the introduction of the Group I element does not appear to cause any increase in the background refractive index, allowing the manufacture of waveguide devices compatible with standard telecommunication fibers.

    Abstract translation: 由三元化合物SiO 2:SnO 2 :R 2 O制成的感光玻璃,其中R是Na,K或Li等第I族元素。 添加第I族元素的氧化物增加氧化锡在二氧化硅基质中的溶解度,并产生高度光敏的玻璃,其中光学写入的折射率调节具有显着的温度稳定性(实心圆)至少与 的二元玻璃SiO 2:SnO 2(空心圆),并且比传统的锗硅酸盐玻璃(实心三角形)或硼硅锗酸盐玻璃(空心三角形)更优越。 包含I族氧化物有效地提高了氧化锡在非结晶二氧化硅基质中的溶解度,远高于SiO 2:SnO 2感光玻璃的1%极限,其中Sn通常在氧化物中结晶。 与硼或磷共掺杂物相比,引入I族元素似乎不会引起背景折射率的任何增加,从而允许制造与标准电信光纤兼容的波导器件。

    Metal-silica sol-gel materials
    83.
    发明授权
    Metal-silica sol-gel materials 失效
    金属硅溶胶凝胶材料

    公开(公告)号:US06391808B1

    公开(公告)日:2002-05-21

    申请号:US08226819

    申请日:1994-04-12

    Abstract: The present invention relates to a single phase metal-silica sol-gel glass formed by the co-condensation of a transition metal with silicon atoms where the metal atoms are uniformly distributed within the sol-gel glass as individual metal centers. Any transition metal may be used in the sol-gel glasses. The present invention also relates to sensor materials where the sensor material is formed using the single phase metal-silica sol-gel glasses. The sensor materials may be in the form of a thin film or may be attached to an optical fiber. The present invention also relates to a method of sensing chemicals using the chemical sensors by monitoring the chromatic change of the metal-silica sol-gel glass when the chemical binds to the sensor. The present invention also relates to oxidation catalysts where a metal-silica sol-gel glass catalyzes the reaction. The present invention also relates to a method of performing oxidation reactions using the metal-silica sol-gel glasses. The present invention also relates to organopolymer metal-silica sol-gel composites where the pores of the metal-silica sol-gel glasses are filled with an organic polymer polymerized by the sol-gel glass.

    Abstract translation: 本发明涉及通过过渡金属与硅原子的共缩合形成的单相金属硅溶胶 - 凝胶玻璃,其中金属原子作为各个金属中心均匀分布在溶胶 - 凝胶玻璃内。 任何过渡金属都可用于溶胶 - 凝胶玻璃。本发明还涉及使用单相金属硅溶胶凝胶玻璃形成传感器材料的传感器材料。 传感器材料可以是薄膜的形式,也可以附着在光纤上。 本发明还涉及当化学物质与传感器结合时,通过监测金属硅溶胶 - 凝胶玻璃的色度变化来使用化学传感器感测化学品的方法。本发明还涉及氧化催化剂,其中金属二氧化硅 溶胶 - 凝胶玻璃催化反应。 本发明还涉及使用金属硅溶胶 - 凝胶玻璃进行氧化反应的方法。本发明还涉及其中填充了金属硅溶胶 - 凝胶玻璃的孔的有机聚合物金属 - 硅溶胶 - 凝胶复合物 与溶胶 - 凝胶玻璃聚合的有机聚合物。

    Infrared absorbing glass, and it's fabrication method
    84.
    发明授权
    Infrared absorbing glass, and it's fabrication method 有权
    红外吸收玻璃,它的制作方法

    公开(公告)号:US06342460B1

    公开(公告)日:2002-01-29

    申请号:US09336678

    申请日:1999-06-21

    Abstract: The invention relates to a glass excellent in infrared absorption capability and corrosion resistance, and its fabrication process. A compound of divalent copper and a compound of a metal species for a network modifier oxide are introduced in a wet gel. Then, the wet gel is dipped in a dipping solution having a low solubility with respect to the compound of divalent copper and the compound of a metal species for a network modifier oxide for the precipitation in the wet gel of the divalent-t copper compound and the compound of a metal species for a network modifier oxide, followed by drying and firing. Thus, an infrared absorbing glass comprising 70 to 98 mol % of SiO2, 1 to 12 mol % of CuO and 1 to 18 mol % of a network modifier oxide other than CuO is fabricated.

    Abstract translation: 本发明涉及一种红外吸收能力和耐腐蚀性优异的玻璃及其制造工艺。 将二价铜的化合物和用于网络改性剂氧化物的金属物质的化合物引入湿凝胶中。 然后,将湿凝胶浸入相对于二价铜化合物的低溶解度的浸渍溶液和用于网络改性剂氧化物的金属物质的化合物,用于在二价铜化合物的湿凝胶中沉淀,以及 用于网络改性剂氧化物的金属物质的化合物,随后进行干燥和烧制。 因此,制造包含70〜98摩尔%的SiO 2,1〜12摩尔%的CuO和1〜18摩尔%的CuO以外的网络改性剂氧化物的红外线吸收玻璃。

    Method of producing optical quality glass having a selected refractive
index
    86.
    发明授权
    Method of producing optical quality glass having a selected refractive index 失效
    制备具有选定折射率的光学品质玻璃的方法

    公开(公告)号:US6158244A

    公开(公告)日:2000-12-12

    申请号:US39450

    申请日:1998-03-16

    Abstract: Optical quality glass having a selected refractive index is produced by a two stage drying process. A gel is produced using sol-gel chemistry techniques and first dried by controlled evaporation until the gel volume reaches a pre-selected value. This pre-selected volume determines the density and refractive index of the finally dried gel. The gel is refilled with solvent in a saturated vapor environment, and then dried again by supercritical extraction of the solvent to form a glass. The glass has a refractive index less than the full density of glass, and the range of achievable refractive indices depends on the composition of the glass. Glasses having different refractive indices chosen from an uninterrupted range of values can be produced from a single precursor solution.

    Abstract translation: 具有选择的折射率的光学品质的玻璃是通过两阶段干燥方法制造的。 使用溶胶 - 凝胶化学技术制备凝胶,并首先通过受控蒸发干燥直到凝胶体积达到预先选择的值。 该预选择的体积确定最终干燥的凝胶的密度和折射率。 在饱和蒸汽环境中用溶剂重新填充凝胶,然后通过超临界萃取溶剂再次干燥以形成玻璃。 玻璃的折射率小于玻璃的全密度,可实现折射率的范围取决于玻璃的组成。 可以从单一前体溶液产生具有从不间断值范围选择的折射率不同的玻璃。

    Doped silica glass
    87.
    发明授权
    Doped silica glass 失效
    掺杂二氧化硅玻璃

    公开(公告)号:US6136736A

    公开(公告)日:2000-10-24

    申请号:US858872

    申请日:1997-05-19

    CPC classification number: H01J61/302 C03C3/06 C03C2201/34 C03C2201/40

    Abstract: A metal halide or mercury lamp including an arc tube comprised of a glass composition consisting essentially of at least 90 weight percent SiO.sub.2 and including between about 10 and 1000 parts per million of a trivalent element slected from the group consisting of Pr, Nd, Pm, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ac, Th, Pa, U, Np, Pu, Am, Cm, Bk, Cf, Es, Fm, Md, No, Lr, Unq, Unp, Ga, and mixtures thereof such that the viscosity of the glass composition is greater than 10.sup.14.5 poise at 1100.degree. C.

    Abstract translation: 一种金属卤化物或汞灯,包括由玻璃组合物构成的电弧管,所述玻璃组合物基本上由至少90重量%的SiO 2组成,并且包括约10至1000ppm的三价元素,所述三价元素选自Pr,Nd,Pm, Sm,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu,Ac,Th,Pa,U,Np,Pu,Am,Cm,Bk,Cf,Es,Fm,Md,No,Lr,Unq, Unp,Ga及其混合物,使玻璃组合物的粘度在1100℃下大于1014.5泊。

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