FLUX FOR SOLDER PASTE AND SOLDER PASTE

Provided are: a flux that is for a solder paste and that can inhibit occurrence of voids; and a solder paste using the flux. This flux for a solder paste contains rosin, an imidazole compound, and a solvent, wherein the contained amount of the imidazole compound is 25-35 mass %. The flux also contai...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HORIKOSHI, Rina, HAYASHIDA, Toru
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	Provided are: a flux that is for a solder paste and that can inhibit occurrence of voids; and a solder paste using the flux. This flux for a solder paste contains rosin, an imidazole compound, and a solvent, wherein the contained amount of the imidazole compound is 25-35 mass %. The flux also contains 0-20 mass % of a block organic acid and 0-3 mass % of an activator.