US Patent 9589734 Solid electrolytic capacitor and manufacturing method thereof
Patent 9589734 was granted and assigned to Nippon Chemi-con Corporation on March, 2017 by the United States Patent and Trademark Office.
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A high voltage proof solid electrolytic capacitor that can prevent deterioration of voltage proof property due to lead-free reflow etc. and a manufacturing method thereof are provided. A capacitor element having an anode and cathode electrode foils wound via a separator is impregnated with a dispersion comprising conductive polymer particles or powder and a solvent to form a solid electrolyte layer consisting of a conductive polymer, and the voids inside the capacitor element having the solid electrolyte layer formed are filled with an ion-conducting substance comprising a mixed solvent comprising ethylene glycol and γ-butyrolactone together with a solute selected from at least one type of an ammonium salt, a quaternary ammonium salt, a quaternized amidinium salt, and an amine salt of an organic acid, an inorganic acid, and a composite compound between organic acid and inorganic acids to obtain a solid electrolytic capacitor.
US Patent 09589734 Solid electrolytic capacitor and manufacturing method thereof US Patent 9589734 Solid electrolytic capacitor and manufacturing method thereof
US Patent 09589734 Solid electrolytic capacitor and manufacturing method thereof
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