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
  • 申请号: US13035302
    申请日: 2011-02-25
  • 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
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.
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