发明名称 |
Optical glass and optical product using the same |
摘要 |
An optical glass having a high refractive index and high dispersion characteristics that is suited to application to precision press molding to precisely mold the shape of final products for objectives not requiring grinding or polishing. An optical glass exhibiting a refractive index in the range of from 1.75 to 2.0, an Abbé number in the range of from 20 to 28.5. Optical parts comprised of this glass; press-molding materials comprised of this glass; methods of manufacturing the same; and methods of manufacturing molded glass products employing these materials.
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申请公布号 |
US7451620(B2) |
申请公布日期 |
2008.11.18 |
申请号 |
US20050250403 |
申请日期 |
2005.10.17 |
申请人 |
HOYA CORPORATION |
发明人 |
ZOU XUELU;TAWARAYAMA HIROMASA;HAYASHI KAZUTAKA;KAWAZOE HIROSHI |
分类号 |
C03B11/00;C03C3/19;C03C3/21 |
主分类号 |
C03B11/00 |
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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