Vented Capacitor

Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor

Reexamination Certificate

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C361S301500, C361S329000

Reexamination Certificate

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07027285

ABSTRACT:
A technique of increasing the corona inception voltage (CIV), and thereby increasing the operating voltage, of film/foil capacitors is described. Intentional venting of the capacitor encapsulation improves the corona inception voltage by allowing internal voids to equilibrate with the ambient environment.

REFERENCES:
patent: 4259708 (1981-03-01), Mandelcorn
patent: 4348712 (1982-09-01), Newcomb
patent: 4670814 (1987-06-01), Matsui et al.
patent: 4992910 (1991-02-01), Evans
patent: 5400211 (1995-03-01), Evans
patent: 5608600 (1997-03-01), Lavene
patent: 5610796 (1997-03-01), Lavene
patent: 5614111 (1997-03-01), Lavene
patent: 6442014 (2002-08-01), Lin
patent: 6687115 (2004-02-01), Carter

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