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    Material and Process for Fabricating and Shaping of Transparent Multicomponent Fused Silica Glasses
    31.
    发明公开
    Material and Process for Fabricating and Shaping of Transparent Multicomponent Fused Silica Glasses 审中-公开

    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

    Inventor： Bastian Rapp ,  Frederik Kotz-Helmer

    IPC: C03B19/06 ,  C03C1/00 ,  C03C3/06

    CPC classification number: C03B19/066 ,  C03C1/00 ,  C03C3/06 ,  C03B2201/06 ,  C03C2201/10 ,  C03C2201/32 ,  C03C2201/42 ,  C03C2201/50

    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.

    ALKALI-FREE GLASS PANEL
    34.
    发明公开
    ALKALI-FREE GLASS PANEL 审中-公开

    公开(公告)号：US20230212060A1

    公开(公告)日：2023-07-06

    申请号：US17920962

    申请日：2021-06-21

    Applicant: Nippon Electric Glass Co., Ltd.

    Inventor： Mayu NISHIMIYA

    IPC: C03C3/091

    CPC classification number: C03C3/091 ,  C03C2201/32

    Abstract: The present invention provides an alkali-free glass sheet, including as a glass composition, in terms of mol%, 64% to 71% of SiO2, 12.5% to 17% of Al2O3, 0% to 4% of B2O3, 0% to 0.5% of Li2O+Na2O+K2O, 6% to 11% of MgO, 3% to 11% of CaO, 0% to 6% of SrO, 0% to 1% of BaO, and 14% to 19% of MgO+CaO+SrO+BaO, and having a mole percent ratio (Al2O3/CaO)×{B2O3/(MgO+CaO+SrO+BaO)} of from 0 to 0.5, a mole percent ratio MgO/(CaO+SrO) of from 0.5 to 1.5, a mole percent ratio (MgO+CaO+SrO+BaO-Al2O3)×B2O3 of from 1 to 10, and a mole percent ratio SiO2×CaO/MgO of from 30 to 90.

    Very low CTE slope doped silica-titania glass
    38.
    发明授权
    Very low CTE slope doped silica-titania glass 有权
    非常低的CTE斜率掺杂二氧化硅 - 二氧化钛玻璃

    公开(公告)号：US08901019B2

    公开(公告)日：2014-12-02

    申请号：US13835039

    申请日：2013-03-15

    Applicant: Corning Incorporated

    Inventor： Seshian Annamalai ,  Carlos Alberto Duran ,  Kenneth Edward Hrdina

    IPC: G03F1/22 ,  C03C3/06 ,  C03C4/00 ,  C03B19/14 ,  C03B19/12

    CPC classification number: G03F1/22 ,  C03B19/12 ,  C03B19/1461 ,  C03B2201/075 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/23 ,  C03B2201/32 ,  C03B2201/40 ,  C03B2201/42 ,  C03C3/06 ,  C03C4/0085 ,  C03C2201/12 ,  C03C2201/23 ,  C03C2201/32 ,  C03C2201/40 ,  C03C2201/42 ,  C03C2203/44 ,  C03C2203/54

    Abstract: The present disclosure is directed to a doped silica-titania glass, DST glass, consisting essentially of 0.1 wt. % to 5 wt. % halogen, 50 ppm-wt. to 6 wt. % one or more oxides of Al, Ta and Nb, 3 wt. % to 10 wt. % TiO2 and the remainder SiO2. In an embodiment the halogen content can be in the range of 0.2 wt. % to 3 wt. % along with 50 ppm-wt. to 6 wt. % one or more oxides of Al, Ta and Nb, 3 wt. % to 10 wt. % TiO2 and the remainder SiO2. In an embodiment the DST glass has an OH concentration of less than 100 ppm. In another embodiment the OH concentration is less than 50 ppm. The DST glass has a fictive temperature Tf of less than 875° C. In an embodiment Tf is less than 825° C. In another embodiment Tf is less than 775° C.

    Abstract translation: 本公开涉及掺杂的二氧化硅 - 二氧化钛玻璃，DST玻璃，其基本上由0.1重量％ ％至5wt。 ％卤素，50ppm-wt。 至6重量％ ％的一种或多种Al，Ta和Nb的氧化物，3wt。 ％至10重量％ ％的TiO 2和其余的SiO 2。 在一个实施方案中，卤素含量可以在0.2wt。 ％〜3重量％ ％和50ppm-wt。 至6重量％ ％的一种或多种Al，Ta和Nb的氧化物，3wt。 ％〜10重量％ ％的TiO 2和其余的SiO 2。 在一个实施方案中，DST玻璃的OH浓度小于100ppm。 在另一个实施方案中，OH浓度小于50ppm。 DST玻璃具有小于875℃的假想温度Tf。在一个实施方案中，Tf小于825℃。在另一个实施方案中，Tf小于775℃

    Method of molding synthetic silica glass molded body
    40.
    发明授权
    Method of molding synthetic silica glass molded body 有权
    合成石英玻璃成型体的成型方法

    公开(公告)号：US08539793B2

    公开(公告)日：2013-09-24

    申请号：US13567837

    申请日：2012-08-06

    Applicant: Masafumi Mizuguchi ,  Tetsuya Abe

    Inventor： Masafumi Mizuguchi ,  Tetsuya Abe

    IPC: C03C3/06 ,  C03B35/00 ,  C03B40/02

    CPC classification number: G01N21/64 ,  C03B11/08 ,  C03B23/0013 ,  C03B40/02 ,  C03B2201/03 ,  C03C3/06 ,  C03C23/0075 ,  C03C2201/32 ,  C03C2201/40 ,  C03C2203/52 ,  G01N21/6402 ,  Y02P40/57

    Abstract: A method of molding a synthetic silica glass molded body by accommodating a synthetic silica glass block in a mold provided with a pressing portion, and by pressing the block while heating, the method including: washing the synthetic silica glass block so that a concentration of copper which is present on the surface of the synthetic silica glass block is 2 ng/cm2 or less; heating high purity carbon powders with a content of copper and aluminium; heating the mold at a temperature condition of 1700° C. to 1900° C.; applying the powders before accommodating the block in the mold; and molding the block in a predetermined form by pressing the block while heating within a hold temperature range of 1500° C. to 1700° C., after accommodating the washed block in the mold.

    Abstract translation: 一种合成石英玻璃成型体的成型体，其通过将合成石英玻璃块容纳在具有按压部的模具中，并且在加热的同时加压块而成型，其特征在于，包括：洗涤合成石英玻璃块，使铜 存在于合成石英玻璃块的表面上的浓度为2ng / cm 2以下; 加热含有铜和铝的高纯度碳粉; 在1700℃至1900℃的温度条件下加热模具。 在将块容纳在模具中之前施加粉末; 并且在将洗涤的块体容纳在模具中之后，在1500℃至1700℃的保持温度范围内加热的同时通过压制块将模块成型为预定形式。

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