Doped silica glass
    16.
    发明授权
    Doped silica glass 失效
    掺杂二氧化硅玻璃

    公开(公告)号:US6136736A

    公开(公告)日:2000-10-24

    申请号:US858872

    申请日:1997-05-19

    CPC classification number: H01J61/302 C03C3/06 C03C2201/34 C03C2201/40

    Abstract: A metal halide or mercury lamp including an arc tube comprised of a glass composition consisting essentially of at least 90 weight percent SiO.sub.2 and including between about 10 and 1000 parts per million of a trivalent element slected from the group consisting of Pr, Nd, Pm, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ac, Th, Pa, U, Np, Pu, Am, Cm, Bk, Cf, Es, Fm, Md, No, Lr, Unq, Unp, Ga, and mixtures thereof such that the viscosity of the glass composition is greater than 10.sup.14.5 poise at 1100.degree. C.

    Abstract translation: 一种金属卤化物或汞灯,包括由玻璃组合物构成的电弧管,所述玻璃组合物基本上由至少90重量%的SiO 2组成,并且包括约10至1000ppm的三价元素,所述三价元素选自Pr,Nd,Pm, Sm,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu,Ac,Th,Pa,U,Np,Pu,Am,Cm,Bk,Cf,Es,Fm,Md,No,Lr,Unq, Unp,Ga及其混合物,使玻璃组合物的粘度在1100℃下大于1014.5泊。

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