Metal capacitor and manufacturing method thereof
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United States of America Patent
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Jun 19, 2012
Grant Date -
Jul 16, 2009
app pub date -
Jun 10, 2008
filing date -
Jan 11, 2008
priority date (Note) -
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Abstract
A metal capacitor in which an electric conductivity is significantly improved is provided. The metal capacitor includes: a metal member 11 including a plurality of grooves 11a; a metal oxide film 12 being formed on the metal member 11; a sealing electrode member 13 being formed on the metal oxide film 12 to fill in the plurality of grooves 11a; and an insulating layer 14 being formed on the sealing electrode member 13 and the metal oxide film 12 to insulate the metal member 12 and the sealing electrode member 13.
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