Fluorescent display device having polygon shaped electrode ends

Details Fluorescent display device having polygon shaped electrode ends Fluorescent display device having polygon shaped electrode ends

1985-02-07

1987-03-17

DeMeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313318, 339 17CF, H01J 6136, H05K 100

Patent

active

046510559

ABSTRACT:
A fluorescent display device which is capable of eliminating a soldering failure such as a tunnel solder phenomenon is disclosed. The fluorescent display device includes electrode wires each having an external lead portion which has a convex polygonal shape in section to allow a chromium oxide layer to be readily removed by a mechanical method, to thereby effectively carry out the mounting a fluorescent display device on a substrate by soldering.

REFERENCES:
patent: 4047066 (1977-09-01), Kobayakawa et al.
patent: 4100385 (1978-07-01), Wutz
patent: 4220894 (1980-09-01), Kobayakawa et al.

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