发明名称 |
Optical glass, preform for precision press molding, optical element, and method for manufacturing optical element |
摘要 |
The present invention relates to an optical glass having a refractive index nd of 1.86 or higher and an Abbé number v(nu)d of 28 to 36; a preform for precision press molding and an optical element that are comprised of this glass; and a method for manufacturing the optical element. |
申请公布号 |
US8609560(B2) |
申请公布日期 |
2013.12.17 |
申请号 |
US201113035302 |
申请日期 |
2011.02.25 |
申请人 |
NEGISHI TOMOAKI;HOYA CORPORATION |
发明人 |
NEGISHI TOMOAKI |
分类号 |
C03C3/155;C03C3/066;C03C3/15 |
主分类号 |
C03C3/155 |
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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