Tunable capacitors using fluid dielectrics
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United States of America Patent
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Aug 8, 2006
Grant Date -
Dec 30, 2004
app pub date -
Oct 18, 2002
filing date -
Oct 19, 2001
priority date (Note) -
In Force
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Abstract
Capacitors (10,20,40,50,70,80) 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.
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