发明授权
US08609560B2 Optical glass, preform for precision press molding, optical element, and method for manufacturing optical element
有权
光学玻璃,精密压模成形用预制件,光学元件,以及光学元件的制造方法
- 专利标题: Optical glass, preform for precision press molding, optical element, and method for manufacturing optical element
- 专利标题(中): 光学玻璃,精密压模成形用预制件,光学元件,以及光学元件的制造方法
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申请号: US13035302申请日: 2011-02-25
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公开(公告)号: US08609560B2公开(公告)日: 2013-12-17
- 发明人: Tomoaki Negishi
- 申请人: Tomoaki Negishi
- 申请人地址: JP Tokyo
- 专利权人: Hoya Corporation
- 当前专利权人: Hoya Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Sughrue Mion, PLLC
- 优先权: JP2010-094364 20100415
- 主分类号: C03C3/155
- IPC分类号: C03C3/155 ; C03C3/15 ; C03C3/066
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.
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