FLUX FOR HARDLY SOLDERABLE BASE METAL

PURPOSE:To improve solderability by using an org. amine hydrofluoric acid salt as an activator for a flux and adding further a hydrobromate acid salt of an org. amine, etc. thereto. CONSTITUTION:If an adequate amt. of cyclohexyl amine is used as an additive with WW rosin as a base material for a flu...

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Bibliographische Detailangaben
Hauptverfasser:	ASAMI KENJI, KOBAYASHI KEIZOU
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PURPOSE:To improve solderability by using an org. amine hydrofluoric acid salt as an activator for a flux and adding further a hydrobromate acid salt of an org. amine, etc. thereto. CONSTITUTION:If an adequate amt. of cyclohexyl amine is used as an additive with WW rosin as a base material for a flux, the flux exhibits good solderability with a stainless steel, aluminum coated steel and chromate treated steel, etc. If hydrobromate acid salt or hydrochloric acid salt of an org. amine is further added to the activator of the org. amine hydrofluoric acid salt, the base material and activator melt with each other, thus eliminating the uneven presence of the org. amine hydrochloric acid salt. Hardly solderable base metals are satisfactorily soldered by the above-mentioned method and the corrosiveness of the residue is eliminated as well.