| 发明名称 |
Optical glass |
| 摘要 |
An optical glass which is a P2O5 system glass including ingredients selected from two groups of R2O3 ingredients of specific contents have excellent resistivity to devitrification, homogeneity, light transmissivity and chemical durability.
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| 申请公布号 |
US4771020(A) |
申请公布日期 |
1988.09.13 |
| 申请号 |
US19870080402 |
申请日期 |
1987.07.31 |
| 申请人 |
KABUSHIKI KAISHA OHARA |
发明人 |
OMATA, HAJIME;NOZAWA, NOBUHIRO |
| 分类号 |
C03C3/16;C03C3/17;C03C3/247;C03C3/253;(IPC1-7):C03C3/253 |
主分类号 |
C03C3/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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