Soldering fluxes

Details Soldering fluxes Soldering fluxes

1984-05-25

1985-08-06

O'Keefe, Veronica

Metal treatment

Compositions

Fluxing

148 24, 148 25, B23K 35362

Patent

active

045334048

ABSTRACT:
The soldering flux of this invention containing a chemical reaction product precipitated when at least one member selected from normally liquid brominated aliphatic hydrocarbons is mixed with at least one member selected from the group consisting of normally liquid amino group-containing aromatic hydrocarbons and normally liquid amino group-containing aliphatic hydrocarbons can not only solder stainless steel or nickel-chromium alloys whose soldering has heretofore been thought impossible, but also does not corrode the soldered metallic material after soldering, has a higher electric insulation resistivity necessary for the soldered areas of parts of electronic and electric devices and appliances, markedly reduces defects due to poor soldering, and can secure a high reliability of soldered joints as compared with conventional fluxes.

REFERENCES:
patent: 3912550 (1975-10-01), Bolte et al.
patent: 4098621 (1978-07-01), Strauss et al.
patent: 4151015 (1979-04-01), Cooper
patent: 4168996 (1979-09-01), Zado

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