FIELD: electronics, manufacture of indicators. SUBSTANCE: powder of fusible glass based on PbO an B2O3 at relative air humidity not higher than 40% with thickness of 5- 25 μm is deposited on glass backing with subsequent etching of fusible glass in solution of nitric acid with minimal concentration of 5%. In this case specific surface of powder of fusible glass nay amount to 1300-2500 sq.cm/g. EFFECT: obtainment of high translucence factor of antiglare surface of indicator. 1 cl
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Authors
Dates
2000-07-20—Published
1998-12-08—Filed