Soldering device, soldering method, and substrate and electronic component produced by the soldering device or the soldering method
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United States of America Patent
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Oct 6, 2015
Grant Date -
Oct 17, 2013
app pub date -
Apr 14, 2012
filing date -
Apr 14, 2012
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Abstract
Provided are a soldering device and a soldering method which allow for soldering at low cost with high yield and high reliability. The soldering device has: first organic fatty acid-containing solution bath 21 in which workpiece member 10 having a copper electrode is immersed in organic fatty acid-containing solution 31a; space section 24 having a steam atmosphere of organic fatty acid-containing solution 31b, the space section horizontally having ejection unit 33 to spray a jet stream of a molten solder to the copper electrode provided on workpiece member 10 and ejection unit 34 to spray a liquid to an excess of the molten solder for removal; and second organic fatty acid-containing solution bath 23 in which workpiece member 10 from which the excess of the molten solder is removed in space section 24 is immersed again in organic fatty acid-containing solution 31c.
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