CATHODE UNIT FOR FLUORESCENT LAMPS

CATHODE UNIT FOR FLUORESCENT LAMPS

The cathode(3) is fixed on the tube wall(1), surrounded by the grid(6). The disk(9) with the opening(10) covers up the boxshaped grid. The bottom opening(8) is at least as large as the top opening(10). The cathode unit has 3-4 times longer life-time.

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: BJORKMAN, AKE
Format: Patent
Sprache:eng ; kor
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Beschreibung
Zusammenfassung:The cathode(3) is fixed on the tube wall(1), surrounded by the grid(6). The disk(9) with the opening(10) covers up the boxshaped grid. The bottom opening(8) is at least as large as the top opening(10). The cathode unit has 3-4 times longer life-time.