FIELD: devices for information display on glow-discharge boards. SUBSTANCE: method involves production of cathodes from iron or ferric alloys, application of alloy layer and subsequent thermal processing under temperature of 400-600 C. Alloy layer contains aluminum with 4-10 percents of one element from IIA group of periodic table of elements. EFFECT: increased functional capabilities. 2 dwg, 1 tbl
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Authors
Dates
1996-03-20—Published
1993-10-28—Filed