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    • 81. 发明申请
    • COPPER ALUMINO-SILICATE GLASSES
    • 铜铝氧化物玻璃
    • WO01049621A1
    • 2001-07-12
    • PCT/US2000/030225
    • 2000-11-02
    • C03C3/064C03C3/091C03C8/02C03C8/24H01J5/04H01J61/30C03C3/066C03C3/085C03C3/093C03C8/04C03C8/06H01J17/18
    • C03C8/24C03C3/064C03C3/091C03C8/02H01J5/04H01J61/302Y10T428/25
    • The present invention is directed to a copper aluminosilicate glass having coefficients of thermal expansion (CTEs) of 20-82 x 10-7/ DEG C (over a range of 25-500 DEG C) and softening points of 660-1000 DEG C. The glass is useful as a preformed sealing glass. For example, in a vacuum lamp, a solder glass preform ring (10) of the inventive copper aluminosilicate glass fits against a glass wall (11) and a glass bead sleeve (22). An electrode lead wire (24) passes through the glass sleeve (22). The preferred copper aluminosilicate glass has a composition, in weight percent, of: SiO2 35-68, Al2O3 3-25, B2O3 2-26, R2O 0-20, RO 1-30, CuO 2-33, F 0-4, MxOy 0-10, R2O is an alkali metal oxide selected from Li2O, Na2O, and K2O. RO is an alkaline earth metal oxide selected from CaO, MgO, ZnO, SrO, and BaO. MxOy is a transition metal oxide selected from Co2O3, TiO2, NiO, MnO2, and Fe2O3.
    • 本发明涉及一种热膨胀系数(CTE)为20-82×10-7 /℃(在25-500℃范围内)和软化点为660-1000℃的铝硅酸铝玻璃。 玻璃可用作预制密封玻璃。 例如,在真空灯中,本发明的铝硅酸铝玻璃的焊料玻璃预制环(10)与玻璃壁(11)和玻璃珠套(22)相配合。 电极引线(24)穿过玻璃套管(22)。 优选的铝硅酸铝玻璃具有重量百分比为:SiO 2 35-68,Al 2 O 3 3-25,B 2 O 3 2-26,R 2 O 0-20,RO 1-30,CuO 2- 33,F 0-4, M 10 O 10,R 20是选自Li 2 O,Na 2 O和K 2 O的碱金属氧化物。 RO是选自CaO,MgO,ZnO,SrO和BaO的碱土金属氧化物。 MxOy是选自Co2O3,TiO2,NiO,MnO2和Fe2O3的过渡金属氧化物。