Metallized film series section capacitor with improved oxidation

Details Metallized film series section capacitor with improved oxidation Metallized film series section capacitor with improved oxidation

1995-03-23

1995-09-26

Walberg, Teresa J.

Electricity: electrical systems and devices

Electrostatic capacitors

With protection or compensating means

3612751, 361303, 361304, 361305, 361323, 361330, H01G 212

Patent

active

054539064

ABSTRACT:
A series section metallized film capacitor in which the metal layers are varied in thickness such that high oxidation areas are thicker than low oxidation areas. In particular, the edge portions bordering a center margin electrode gap have a thickness which is greater than the remaining area of the center margin electrode. The increased thickness at the edge portions reduces the oxidation effect and the associated decrease in capacitance which normally occurs due to the electric potential across the gap. By varying the thickness, the oxidation effect at the edge portions is reduced while the self-healing capabilities at the low oxidation areas is maintained.

REFERENCES:
patent: 2637766 (1953-05-01), Grouse
patent: 3675094 (1972-07-01), Voelkl
patent: 4142222 (1979-02-01), Kotschy et al.
patent: 4215385 (1980-07-01), Behn et al.

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