Optical glass with refractive index 1.60, an abbe number 58, with high
chemical stability and resistance to phase separation and
crystallization
    8.
    发明授权
    Optical glass with refractive index 1.60, an abbe number 58, with high chemical stability and resistance to phase separation and crystallization 失效
    光学玻璃折射率1.60,阿贝数58,化学稳定性高,耐相分离和结晶

    公开(公告)号:US4814299A

    公开(公告)日:1989-03-21

    申请号:US70154

    申请日:1987-07-02

    IPC分类号: C03C3/064 C03C3/066 C03C3/068

    CPC分类号: C03C3/068 Y10S501/903

    摘要: An optical glass, n.sub.d .gtoreq.1.60 and v.sub.d .gtoreq.58, having a high chemical stability as well as resistance to phase separation and crystallization, comprises in percent by weight:______________________________________ SiO.sub.2 21.5-27.0; B.sub.2 O.sub.3 23.5-30.0 SrO 16.0-24.0; La.sub.2 O.sub.3 10.0-20; Al.sub.2 O.sub.3 1.5-5.0; BaO 5.0-14.0; ZrO.sub.2 0-4.0; Li.sub.2 O 0.5-5.0; Na.sub.2 O 0.8-2.5; K.sub.2 O 0-2.0. ______________________________________

    摘要翻译: 具有高化学稳定性以及耐相分离和结晶性的光学玻璃,其重量百分比包括:-SiO 2 21.5-27.0; B2O3 23.5-30.0 SrO 16.0-24.0; -La2O3 10.0-20; Al2O3 1.5-5.0; BaO 5.0-14.0; -ZrO 2 0-4.0; Li2O 0.5-5.0; Na2O 0.8-2.5; -K2O 0-2.0。 -