(19)
(11) EP 2 377 827 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
14.12.2011 Bulletin 2011/50

(43) Date of publication:
19.10.2011 Bulletin 2011/42

(21) Application number: 11156151.0

(22) Date of filing: 28.02.2011
(51) International Patent Classification (IPC): 
C03C 3/068(2006.01)
C03C 3/15(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 15.04.2010 JP 2010094364

(71) Applicant: Hoya Corporation
Tokyo 161-8525 (JP)

(72) Inventor:
  • Negishi, Tomoaki
    Shinjuku-ku Tokyo 161-8525 (JP)

(74) Representative: Albrecht, Thomas 
Kraus & Weisert Patent- und Rechtsanwälte Thomas-Wimmer-Ring 15
80539 München
80539 München (DE)

   


(54) Optical glass, preform for precision press molding, optical element, and method for manufacturing optical element


(57) 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.