Multifunctional soldering flux with borneol
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United States of America Patent
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-
Jan 4, 2000
Grant Date -
N/A
app pub date -
Jun 23, 1997
filing date -
Jun 23, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A soldering flux containing borneol, which is also referred to as bornyl alcohol. A method soldering using such a flux is also disclosed. Even minor proportions of borneol in the flux help reduce ionic residue from the flux after soldering. Larger proportions of borneol can give the flux tackiness for wave soldering operations. The flux preferably comprises borneol and an organic acid activator that volatilizes during soldering. The flux is applied as a solution of borneol and the organic acid activator in a solvent that substantially evaporates before soldering without leaving any measurable solvent residue.
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