TY - PAT A1 - Döhring, Thorsten A1 - Mitra, Ina T1 - OPTICAL COMPONENT N2 - To provide an optically uniform quality component which is a large size optical transparency component such as a lenz, prism, mirror or the like. ;SOLUTION: The optical component comprises an optical glass which comprises 35 to 70 wt.% SiO2, 17 to 35 wt.% Al2O3, 3 to 17 wt.% P2O5, 0 to 6 wt.% Li2O, 0.5 to 4 wt.% MgO, 0.5 to 3 wt.% ZnO, a maximum of 1 wt.% CaO, a maximum of 0.5 wt.% BaO, 0.5 to 6 wt.% TiO2, 0.5 to 3 wt.% ZrO2, 0 to 1 wt.% Na2O, 0 to 1 wt.% K2O, a maximum of 2 wt.% of refining agents, and a maximum of 1 wt.% of a coloring oxide and other impurities, and has at least 50 mm maximum thickness. KW - glass KW - ceramic KW - optic KW - transmission KW - Optisches Glas Y1 - 2012 UR - http://worldwide.espacenet.com/publicationDetails/biblio?CC=JP&NR=4966271B2&KC=B2&FT=D&ND=4&date=20120704&DB=EPODOC&locale=en_EP ER -