Electrical capacitors having low capacitance tolerances and meth

Details Electrical capacitors having low capacitance tolerances and meth Electrical capacitors having low capacitance tolerances and meth

1988-04-29

1989-06-20

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

29 2542, H01G 1015, H01G 1300

Patent

active

048414115

ABSTRACT:
An electrical capacitor and manufacturing method therefore provides at least two dielectric bands each with a metal coat on at least one side to form stacked film, or wound capacitors. Changes in capacitance which are the result of fluctuations in dielectric ply thickness are compensated by corresponding opposite modification of the overlap of the layers. The compensation ensues by a de-metallization device that makes the metal coating wider or narrower on the basis of a control direction depending upon greater or lesser ply thickness.

REFERENCES:
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patent: 3670378 (1972-06-01), Behn et al.
patent: 3728765 (1973-04-01), Behn et al.
patent: 3731354 (1973-05-01), Rayburn
patent: 4240127 (1980-12-01), Fanning et al.
patent: 4439814 (1984-03-01), Rhodes
patent: 4441139 (1984-04-01), Bernard
patent: 4563724 (1986-01-01), Behn
patent: 4639832 (1987-01-01), Behn

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