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    • 4. 发明专利
    • Glass ceramic
    • 玻璃陶瓷
    • JP2007153735A
    • 2007-06-21
    • JP2006327015
    • 2006-12-04
    • Schott Agショット アクチエンゲゼルシャフトSchott AG
    • SCHNEIDER MEIKEZACHAU THILOALKEMPER JOCHENDIRK SPRENGER
    • C03C10/02
    • C03C10/0054
    • PROBLEM TO BE SOLVED: To provide a glass ceramic which has a crystalline phase consisting mainly of BPO
      4 , has sufficient chemical stability and thermostability, and which is capable of having a coefficient of thermal expansion being in the wide range of the coefficient of thermal expansion of a semiconductor material.
      SOLUTION: The glass ceramic is obtained by melting the composition containing, in wt.%, SiO
      2 of 10-50, B
      2 O
      3 of 5-40, P
      2 O
      5 of 25-75, a refining agent of ≤5, impurities of ≤1, and 0.1-10 of at least one constituent selected from the group of M3
      2 O
      3 , M5
      2 O
      5 and M4O
      2 , wherein M3 is a lanthanoid, yttrium, iron, aluminium, gallium, indium or thallium, M5 is vanadium, niobium or tantalum, and M4 is titanium, zirconium, hafnium or cerium.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供具有主要由BPO SBS组成的结晶相的玻璃陶瓷具有足够的化学稳定性和热稳定性,并且能够具有热膨胀系数 在半导体材料的热膨胀系数的宽范围内。 解决方案:玻璃陶瓷通过熔化含有重量百分比为10-50,B 2 O 3的组合物获得, / SB>为25〜75,P 2 5 为25〜75,澄清剂为≤5,杂质≤1,0.1-10为至少 选自M3 O 3 ,M5 2 5 和M4O 2的一种成分 其中M3是镧系元素,钇,铁,铝,镓,铟或铊,M5是钒,铌或钽,M4是钛,锆,铪或铈。 版权所有(C)2007,JPO&INPIT