Solid electrolyte capacitor

Details Solid electrolyte capacitor Solid electrolyte capacitor

1998-04-14

2000-04-18

Reichard, Dean A.

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

361533, 361536, H01G 900, H01G 910

Patent

active

060522739

ABSTRACT:
A solid electrolyte capacitor has a metal case 3 housing a capacitor element 1 and closed by a hermetic seal structure. More specifically, the case 3 has an opening closed with a seal plate 4 of nickel alloy. The capacitor element 1 has a pair of lead wires 15, 15 which are joined at their outer end faces respectively to lower end faces of a pair of lead pins 2, 2 by resistance welding. The lead pins 2, 2 are inserted through holes 41, 41 in the seal plate 4, with an insulating glass seal 5 filled in a clearance in each of the holes 41, 41 around the lead pin 2. The opening-defining edge of the case 3 and the outer peripheral edge of the seal plate 4 are joined to each other by resistance welding. Consequently, the capacitor retains high reliability over a prolonged period of time.

REFERENCES:
patent: 2310932 (1943-02-01), Brennan et al.
patent: 2535945 (1950-04-01), Menchik et al.
patent: 4580855 (1986-04-01), Niwa
patent: 4942501 (1990-07-01), MacFarlane et al.
patent: 5146391 (1992-09-01), MacFarlane et al.
patent: 5673168 (1997-09-01), Efford et al.

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