Electrical device and method utilizing a positive-temperature-co

Details Electrical device and method utilizing a positive-temperature-co Electrical device and method utilizing a positive-temperature-co

1995-06-14

1997-06-10

Picard, Leo P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361313, 361311, 3613063, 257295, H01G 406

Patent

active

056382529

ABSTRACT:
A capacitor (20) is fabricated using a ferroelectric material (28) such as a layered perovskite material of the Aurivillius family. The capacitor (20) has a positive temperature coefficient (PTC) of capacitance. When used in an electrical device other than a memory device in place of a conventional capacitor, the PCT capacitor (20) provides inherent temperature compensation of the signal of the device when the device is operated at different temperatures below the Curie temperature of the ferroelectric material.

REFERENCES:
patent: 5005102 (1991-04-01), Larson
patent: 5449933 (1995-09-01), Shindo et al.

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