Electrolyte for electrolytic capacitor and electrolytic capacitor containing the same
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United States of America Patent
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Sep 30, 2008
Grant Date -
Nov 9, 2006
app pub date -
Nov 7, 2003
filing date -
Nov 8, 2002
priority date (Note) -
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Abstract
Electrolyte solution and an electrolytic capacitor using it having a low impedance characteristic, having a high withstand voltage characteristic of 100V class, and a high temperature life characteristic is provided. The electrolyte solution containing an aluminum tetrafluoride salt, and a solvent with high boiling point, such as sulfolane, 3-methyl sulfolane, and 2,4-dimethyl sulfolane, and the like are used. The electrolytic capacitor of the present invention has a low impedance characteristic, a high withstand voltage characteristic, and an excellent high temperature life characteristic.
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