GLASS FOR KINESCOPE SCREEN Russian patent published in 2007 - IPC C03C3/118 

FIELD: technology of silicates, glass industry.

SUBSTANCE: invention relates glass compositions used in manufacturing electric vacuum equipments. Proposed glass comprises the following components, wt.-%: SiO₂, 52.0-58.0; CaO, 2.0-4.0; Al₂O₃, 1.0-2.0; K₂O, 2.0-4.0; SrO, 8.0-12.0; TiO₂, 1.0-2.0; CeO₂, 0.5-1.0; fluoride ions (F'), 0.1-0.2; Nd₂O₃, 0.4-0.8; Li₂O, 8.0-12.0; B₂O₃, 8.0-12.0, and BeO, 2.0-4.0. Invention provides enhancing thermal stability, decreasing coefficient of linear roentgen radiation of glass.

EFFECT: improved and valuable properties of glass.

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