发明申请
US20100216624A1 GLASS COMPOSITION FOR LAMP, GLASS PART FOR LAMP, AND PROCESS FOR PRODUCING LAMP OR GLASS COMPOSITION FOR LAMP
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用于灯的玻璃组合物,灯的玻璃部件和用于生产灯的玻璃组合物的方法
- 专利标题: GLASS COMPOSITION FOR LAMP, GLASS PART FOR LAMP, AND PROCESS FOR PRODUCING LAMP OR GLASS COMPOSITION FOR LAMP
- 专利标题(中): 用于灯的玻璃组合物,灯的玻璃部件和用于生产灯的玻璃组合物的方法
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申请号: US11993004申请日: 2006-08-07
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公开(公告)号: US20100216624A1公开(公告)日: 2010-08-26
- 发明人: Ryousuke Sawa , Junko Abe , Tomoko Atagi , Masanobu Itou , Tomoko Akai , Masaru Yamashita
- 申请人: Ryousuke Sawa , Junko Abe , Tomoko Atagi , Masanobu Itou , Tomoko Akai , Masaru Yamashita
- 优先权: JP2005-203574 20050712
- 国际申请: PCT/JP2006/313540 WO 20060807
- 主分类号: C03C4/06
- IPC分类号: C03C4/06 ; C03C3/095 ; C03B19/00
摘要:
A glass composition for lamps includes the following by weight percent: SiO2: 60-75 wt %; CeO2+Ce2O3: 0.01-5.2 wt %; SnO+SnO2: 0.01-5.2 wt %; Al2O3: 0.5-6 wt %; B2O3: 0-5 wt %; Li2O+Na2O+K2O: 13-20 wt %; MgO: 0.5-5 wt %; CaO: 1-10 wt %; SrO: 0-10 wt %; BaO: 0-10 wt %; ZnO: 0-10 wt %; Fe2O3+FeO: 0-0.2 wt %; and TiO2: 0-1 wt %. The glass composition for lamps that contains no lead or antimony achieves high ultraviolet screening capacity, ensuring fewer occurrences of initial coloring and ultraviolet ray caused coloring of glass.
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