Solid electrolytic capacitor with small leakage current and method of manufacturing the same
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United States of America Patent
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Oct 18, 2011
Grant Date -
May 7, 2009
app pub date -
Oct 31, 2008
filing date -
Nov 6, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A solid electrolytic capacitor manufacturing method includes a process of removing a roughened surface layer (10a') from a distal portion (13) of a metal member (10) and from part of an intermediate portion (12) adjacent to the distal portion (13), a process of forming a resist (40) on the distal portion (13) and the intermediate portion (12) of the metal member (10), a process of forming a conductive polymer layer (30) of a conductive polymer on a proximal portion (11) of the metal member (10), and a process of removing a resist (40') and a surface layer portion (13') of the metal member (10) from the distal portion (13) of the metal member (10).
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