Electrolytic capacitor
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United States of America Patent
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-
Nov 15, 2011
Grant Date -
Dec 24, 2009
app pub date -
Jun 16, 2009
filing date -
Jun 18, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
To provide an electrolytic capacitor having lead wires excellent in weldability with a boss member made of aluminum, excellent in solder wettability, and less whisker. The lead wires have a nickel plating layer in a thickness of 0.3 to 5.0 μm, a palladium plating layer in a thickness of 0.01 to 0.10 μm, and a gold plating layer in a thickness of 0.002 to 0.030 μm.
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