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US 12,577,144 B2Granted
Glass material
AssigneeNippon Electric Glass Co., Ltd.
InventorsFutoshi Suzuki, Tadahito Furuyama
Life of this patent
Estimating the term…
Abstract
Provided is a glass material having a high light transmittance in a short wavelength range and easily producible. A glass material contains, in terms of % by mole, 5 to less than 30% Pr2O3 and 0.1 to 95% B2O3.
Claims9
A glass material containing, in terms of % by mole, 5 to 29% Pr2O3, 53 to 95% B2O3, 0 to 24% Tb2O3, 0 to 10% Dy2O3, and 71% or more of B2O3+SiO2+P2O5.
Dependencies are inferred from the claim text.