FIELD: manufacture of sodium vapor high-pressure lamps. SUBSTANCE: burner of sodium vapor high-pressure lamp has ceramic tube. At least one end of it has ceramic bushing with hole baked into it. Its cylindrical part is located inside tube and its flange rests against its face. Hole of bushing is made stepped with relation of its diameter and depth on side of flange to diameter of the rest of bushing within 1.15 to 1.70 and 0.2 to 0.7 correspondingly. EFFECT: facilitated manufacture. 3 dwg, 1 tbl
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Authors
Dates
1994-06-15—Published
1992-01-29—Filed