OPTICAL GLASS Russian patent published in 2008 - IPC C03C3/74 

Abstract RU 2316486 C1

FIELD: composition of optical glass used in instrumentation engineering.

SUBSTANCE: proposed glass contains the following constituents, mass-%: SiO2, 4.0-7.0; BaO, 35.0-40.0; ZnO, 5.0-10.0; K2O, 4.5-6.0; Sb2O3, 0.5-1.0; TiO2, 20.0-25.0; PbO, 14.0-16.0; B2O3, 5.0-7.0.

EFFECT: increased refraction index of glass.

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RU 2 316 486 C1

Authors

Shchepochkina Julija Alekseevna

Dates

2008-02-10Published

2006-08-21Filed