Electronic device and method of applying voltage to capacitor

Details Electronic device and method of applying voltage to capacitor Electronic device and method of applying voltage to capacitor

2005-12-13

2005-12-13

Dinkins, Anthony (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

C361S015000, C361S306100, C257S295000

Reexamination Certificate

active

06975501

ABSTRACT:
An electronic device comprises a silicon substrate (base material), an underlying insulating film formed on the silicon substrate, a capacitor constructed by forming a bottom electrode, a capacitor dielectric film, and a top electrode sequentially on the underlying insulating film, and a voltage supply circuit for supplying a voltage with a bipolar waveform to at least one of the bottom electrode and the top electrode, wherein an amplitude of the voltage is set to 5×105d (V) or less (d: an interval (cm) between the top electrode and the bottom electrode). Accordingly, an electronic device and a method of applying a voltage to a capacitor, capable of prolonging a lifetime of a capacitor by preventing degradation of a capacitor dielectric film are provided.

REFERENCES:
patent: 5822199 (1998-10-01), Jacobs et al.
patent: 5889299 (1999-03-01), Abe et al.
patent: 6456477 (2002-09-01), McIntosh et al.
patent: 6548988 (2003-04-01), Duff, Jr.
patent: 10-93050 (1998-04-01), None
patent: 2004-88892 (2004-03-01), None

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