发明授权
US06815385B2 Tungsten sealing glass for use in a fluorescent lamp 失效
用于荧光灯的钨密封玻璃

  • 专利标题: Tungsten sealing glass for use in a fluorescent lamp
  • 专利标题(中): 用于荧光灯的钨密封玻璃
  • 申请号: US10619997
    申请日: 2003-07-15
  • 公开(公告)号: US06815385B2
    公开(公告)日: 2004-11-09
  • 发明人: Hiroyuki KosokabeKoichi Hashimoto
  • 申请人: Hiroyuki KosokabeKoichi Hashimoto
  • 优先权: JP11-338787 19991129
  • 主分类号: C03C802
  • IPC分类号: C03C802
Tungsten sealing glass for use in a fluorescent lamp
摘要:
A tungsten sealing glass for use in a fluorescent lamp, said glass having a composition of, by mass percent, 65-76% SiO2, 10-25% B2O3, 2-6% Al2O3, 0.5-5.8% MgO+CaO+SrO+BaO+ZnO, 3-8% Li2O+Na2O+K2O, 0.01-4% Fe2O3+CeO2, 0.1-5% TiO2, 0.1-10% TiO2+Sb2O3+PbO, and 0-2% ZrO2, wherein Na2O/(Na2O+K2O)≦0.6.
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