Tunable capacitors using fluid dielectrics

Details Tunable capacitors using fluid dielectrics Tunable capacitors using fluid dielectrics

2007-07-10

2007-07-10

Ha, Nguyen T. (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

C361S272000, C361S273000, C361S283300, C361S287000, C361S292000

Reexamination Certificate

active

11452592

ABSTRACT:
Capacitors10, 20, 40, 50, 70, 80) having a fluid dielectric material that is transported or undergoes a phase change are disclosed. The dielectric medium change results in a change in the total dielectric constant of the material between the electrodes (12, 14, 72, 74, 81, 82), thus changing the capacitance of the capacitors. Transporting or phase changing the dielectric fluids into and out of a the electric field of the capacitor, changes the effective dielectric constant and the capacitance of the capacitor.

REFERENCES:
patent: 5162972 (1992-11-01), Gripshover et al.
patent: 6975498 (2005-12-01), Kato
patent: 7031136 (2006-04-01), Hunt et al.
patent: 7085122 (2006-08-01), Wu et al.
patent: 7088567 (2006-08-01), Hunt et al.
patent: 7190565 (2007-03-01), Marantz

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