发明授权
- 专利标题: High refractive index glass compositions
- 专利标题(中): 高折射率玻璃组合物
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申请号: US771358申请日: 1977-02-23
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公开(公告)号: US4082427A公开(公告)日: 1978-04-04
- 发明人: Nobuyuki Nakashima
- 申请人: Nobuyuki Nakashima
- 申请人地址: JA
- 专利权人: Fukuoka Tokushu Garasu Kabushiki Kaisha
- 当前专利权人: Fukuoka Tokushu Garasu Kabushiki Kaisha
- 当前专利权人地址: JA
- 优先权: JA49-75658 19740702
- 主分类号: C03C3/12
- IPC分类号: C03C3/12 ; C03C12/02 ; G02B5/128
摘要:
Disclosed are glass compositions that are particularly suited for making colorless and transparent reflex-reflective glass beads with refractive indices over 2.15. These lead-free glass compositions are made with TiO.sub.2 as the main constituent mixed with alkaline earth oxides and alkaline metal oxides, etc.
公开/授权文献
- US5167357A Adhesive tape holder 公开/授权日:1992-12-01
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