FIELD: glass industry. SUBSTANCE: glass has, wt.-%: silicon oxide (SiO2) 20-72; aluminium oxide (Al2O3) 2-25; boron oxide (B2O3,) 1-40 and at least one copper oxide (CuO, Cu2O) 2-20. Total content of copper oxides does not exceed 20. Glass can contain additionally one component from the group: MgO, CaO, BaO, PbO 1-10. EFFECT: high coefficient of the secondary electron and low resistance values. 7 cl, 1 tbl
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Authors
Dates
1997-08-20—Published
1994-03-31—Filed