GLASS FOR BACKINGS OF ELECTROLUMINESCENCE INDICATORS Russian patent published in 1994 - IPC

Abstract SU 1766045 A1

FIELD: electroluminescence indicator production. SUBSTANCE: glass contains, mass % : silicium oxide having empirical formula SiO₂ 25.4-29.7, aluminium oxide having empirical formula Al₂O₃ 34.2-37.5, boron oxide having empirical formula B₂O₃ 12.5-12.7, arsenic oxide having empirical formula As₂O₃ 0.2-0.4, calcium oxide having empirical formula CaO 13-16.8, magnesium oxide having empirical formula MgO 1.9-2.1, strontium oxide having empirical formula SrO 3.7-7.3, zinc oxide having empirical formula ZnO 0.6-3.0. Desired glass has: boiling point 1540- 1560 C, start temperature of deformation 747-764 C. EFFECT: improves glass quality. 2 tbl

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SU 1 766 045 A1

Authors

Kuznetsova L.K.

Tovmasjan V.M.

Zhuravleva V.A.

Dates

1994-01-30—Published

1990-11-01—Filed