Material and Process for Fabricating and Shaping of Transparent Multicomponent Fused Silica Glasses

    公开(公告)号:US20240166547A1

    公开(公告)日:2024-05-23

    申请号:US18549129

    申请日:2022-03-28

    Applicant: Glassomer GmbH

    Abstract: The present invention relates to a moldable nanocomposite for producing a transparent article made of multicomponent fused silica glass, the moldable nanocomposite comprising: an organic binder; and a fused silica glass powder dispersed in the organic binder, the fused silica glass powder comprising fused silica glass particles having a diameter in the range from 5 nm to 500 nm, wherein the fused silica glass powder is pre-modified with a dopant and/or wherein at least one non-crystalline modifying agent is contained in the moldable nanocomposite and one or more dopant reagents selected from organoelement compounds, metal complexes and salts are contained in the moldable nanocomposite as the at least one non-crystalline modifying agent, and wherein the content of the fused silica glass powder in the moldable nanocomposite is at least 5 parts per volume based on 100 parts per volume of the organic binder. Further, the present invention relates to a method of producing a transparent article made of multicomponent fused silica glass.

    BORON-DOPED TITANIA-SILICA GLASS HAVING VERY LOW CTE SLOPE
    60.
    发明申请
    BORON-DOPED TITANIA-SILICA GLASS HAVING VERY LOW CTE SLOPE 有权
    BORON-DOPED TITANIA-SILICA玻璃具有非常低的CTE斜率

    公开(公告)号:US20150259239A1

    公开(公告)日:2015-09-17

    申请号:US14637516

    申请日:2015-03-04

    Abstract: A boron-doped titania-silica glass containing 0.1 wt % to 8.0 wt % boron, 9.0 wt % to 16.0 wt % TiO2, and 76.0 wt % to 90.9 wt % SiO2. The glass may further include F, Nb, Ta, Al, Li, Na, K, Ca, and Mg, individually or in combinations of two or more, at levels up to 4 wt %. The glass may have an OH concentration of more than 10 ppm. The glass features a CTE slope at 20° C. of less than 1 ppb/K2. The fictive temperature of the glass is less than 825° C. and the peak CTE of the glass is less than 30 ppb/K. The glass has two crossover temperatures and a wide temperature interval over which CTE is close to zero. The uniformity of each crossover temperature relative to its average over a volume of at least 50 cm3 is within ±5° C.

    Abstract translation: 含有0.1重量%至8.0重量%硼,9.0重量%至16.0重量%TiO 2和76.0重量%至90.9重量%SiO 2的硼掺杂二氧化钛 - 二氧化硅玻璃。 玻璃还可包含F,Nb,Ta,Al,Li,Na,K,Ca和Mg,其含量可高达4wt%,分别或两种或多种组合。 玻璃的OH浓度可能超过10ppm。 玻璃在20°C时的CTE斜率小于1 ppb / K2。 玻璃的假想温度小于825℃,玻璃的峰值CTE小于30ppb / K。 玻璃具有两个交叉温度和CTE接近零的宽温度区间。 每个交叉温度相对于其在至少50cm 3的体积上的平均值的均匀度在±5℃以内

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