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    • 6. 发明公开
    • SILICA GLASS MEMBER FOR WAVELENGTH CONVERSION, AND PRODUCTION METHOD THEREFOR
    • QUARZGLASTEIL ZURWELLENLÄNGENÄNDERUNGUND HERSTELLUNGSVERFAHRENDAFÜR
    • EP2944620A1
    • 2015-11-18
    • EP14873492.4
    • 2014-12-25
    • Shin-Etsu Quartz Products Co., Ltd.
    • MORI, TatsuyaSATO, TatsuhiroFUJINOKI, Akira
    • C03C17/02C03C17/34C09K11/00C09K11/02C09K11/08
    • C03C17/02C03C17/007C03C17/34C03C17/3411C03C2217/45C03C2217/475C03C2217/48G02B5/0247G02B5/0268G02B5/0294H01L31/055H01L33/501H01L33/505Y02E10/52Y10T428/259
    • Provided are a quartz glass member for wavelength conversion that is high in environmental resistance, heat resistance, durability, and color rendering property, can be manufactured by a low-temperature process, and can efficiently convert a wavelength, and a method of manufacturing the same.
      The quartz glass member for wavelength conversion includes: a quartz glass base material; and a quartz glass surface layer film formed on a surface of the quartz glass base material, in which: the quartz glass surface layer film is obtained by applying, onto the surface of the quartz glass base material, a polysilazane-containing solution containing fluorescent material particles having an average particle diameter of from 0.1 µm to 20 µm and silica fine particles each having a spherical shape and hydrophobicity and having an average particle diameter of from 1 nm to 100 nm, followed by drying in air and then heat treatment in a water vapor atmosphere; the polysilazane-containing solution has a ratio between a total amount of polysilazane and the fluorescent material particles and the fluorescent material particles of from 10:3 to 10:7 in terms of mass; and the quartz glass surface layer film has an NH group concentration of 1,000 ppm or less.
    • 提供一种用于波长转换的石英玻璃构件,其耐环境性,耐热性,耐久性和显色性高,可以通过低温工艺制造,并且可以有效地转换波长,并且制造其方法 。 用于波长转换的石英玻璃构件包括:石英玻璃基材; 以及在石英玻璃基材的表面上形成的石英玻璃表层膜,其中:石英玻璃表层膜通过在石英玻璃基材的表面上涂布含有荧光材料的含聚硅氮烷的溶液 平均粒径为0.1μm〜20μm的颗粒和平均粒径为1nm〜100nm的球状,疏水性的二氧化硅微粒,然后在空气中干燥,然后在水中进行热处理 蒸汽气氛; 含聚硅氮烷的溶液的质量之间的聚硅氮烷的总量与荧光体颗粒和荧光体颗粒之间的比例为10:3至10:7; 石英玻璃表层膜的NH基浓度为1000ppm以下。