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    • 5. 发明专利
    • Silica glass material
    • 二氧化硅玻璃材料
    • JP2008030988A
    • 2008-02-14
    • JP2006205894
    • 2006-07-28
    • Institute Of National Colleges Of Technology JapanUniv Of Fukui国立大学法人福井大学独立行政法人国立高等専門学校機構
    • HORII NAOHIROKAMIIDE MITSURUINOUE AKIHIROKUZUU SHIN
    • C03C3/04C03B20/00C03C17/245H01J61/30H01J61/35
    • C03B19/1453C03B2201/08
    • PROBLEM TO BE SOLVED: To provide a silica glass material which is hardly devitrified even under such a condition that it is brought into direct contact with an active metal or its halide in a high temperature state; and to provide a discharge lamp which is hardly devitrified and has a prolonged service life.
      SOLUTION: The silica glass material is used in an application where the silica glass material is used while being brought into contact with an active metal or its halide. The silica glass material is characterized in that a halogen-containing silica glass layer, in which the content of metal impurities is ≤100 ppb and the halogen content is 100-5,000 ppm, is formed on the surface brought into contact with the active metal or its halide. A method for producing the same and a method for preventing devitrification are also provided. Further, the discharge lamp has a light-emitting tube in which the active metal or its halide is enclosed and is characterized in that the halogen-containing silica glass layer is formed on the inner surface of the light-emitting tube.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:即使在高温状态下与活性金属或其卤化物直接接触的条件下也难以脱玻璃的石英玻璃材料; 并且提供几乎不透光并且具有延长的使用寿命的放电灯。 解决方案:二氧化硅玻璃材料用于石英玻璃材料与活性金属或其卤化物接触的应用中。 二氧化硅玻璃材料的特征在于,在与活性金属接触的表面上形成含有金属杂质含量≤100ppb,卤素含量为100-5,000ppm的含卤素二氧化硅玻璃,或 其卤化物。 还提供了其制造方法和防止失透的方法。 此外,放电灯具有包围活性金属或其卤化物的发光管,其特征在于,在发光管的内表面上形成含卤素的石英玻璃层。 版权所有(C)2008,JPO&INPIT