LUMINESCENT GLASS Russian patent published in 2021 - IPC C03C4/12 C03C3/66 C03C3/68 

FIELD: electronics materials.

SUBSTANCE: luminescent glass refers to the materials of quantum electronics, optics and can be used in devices for displaying information, electron-beam devices, indicator technology, white LEDs, scintillators, cathode and X-ray phosphors, alpha and beta radiation visualizers. Luminescent glass includes Bi₂O₃, B₂O₃, SiO₂, Al₂O₃, BaO; SrO; ZnO and Eu₂O₃ and Ag₂O with the following ratio of components, wt.%: Bi₂O₃ 30-35; B₂O₃ 20-23; SiO₂ 15-18; Eu₂O₃ 7-17; Al₂O₃ 3-6; BaO 4-6; SrO 4-6; ZnO 4-7 and Ag₂O 0.001-0.1.

EFFECT: luminescent glass characterized by a stable and high luminescence intensity of Eu³⁺ ions at the wavelength of the ⁵D₀→⁷F₂ electronic transition.

1 cl, 1 tbl, 3 ex