CAPACITOR MANUFACTURING METHOD
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United States of America Patent
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Issued Date -
Jul 14, 2011
app pub date -
Oct 2, 2009
filing date -
Oct 2, 2008
priority date (Note) -
Abandoned
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Abstract
A capacitor manufacturing method that enables a capacitor having a high withstand voltage, a high electrostatic capacitance and a satisfactorily small ESR to be manufactured simply and at a high level of productivity. In the capacitor manufacturing method, a film-formation treatment of applying a conductive polymer solution containing a π-conjugated conductive polymer, a polyanion and a solvent to the dielectric layer side of a capacitor substrate having a dielectric layer formed on the surface of an anode, and then performing drying to form a conductive polymer film, is performed at least twice, and the conductive polymer solution used in at least one film-formation treatment among the second film-formation treatment and subsequent film-formation treatments is a high-viscosity solution having a higher viscosity than the conductive polymer solution used in the first film-formation treatment.
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