Flux for soft soldering

Details Flux for soft soldering Flux for soft soldering

1996-05-20

1998-10-06

Ryan, Patrick

Metal treatment

Compositions

Fluxing

148 23, 148 24, 148 25, B23K 3534

Patent

active

058171908

ABSTRACT:
A flux for soft soldering is disclosed. It comprises a chelating agent as an activator for facilitating a connection of a conductor metal to a soft solder by removing an oxide film naturally formed on the surface of the conductor metal, and for securing insulating reliability after soft soldering by forming complexes with copper and tin which are insulating substance, and a solvent capable of dissolving the chelating agent and further preferably evaporating at soldering process.

REFERENCES:
patent: 5116432 (1992-05-01), Kerner
patent: 5334260 (1994-08-01), Stefanowski
Kirk-Othmer, "Oxalic Acid", Kirk-Othmer Encyclopedia of Chemical Technology 3rd. ed., V. 16., John Wiley & Sons. 1981 (no month).

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