COPPER DOPED LOW MELT SOLDER FOR COMPONENT ASSEMBLY AND REWORK

Low melting temperature copper-containing solders are disclosed for soldering and rework on copper surfaces. The amount of copper required in the solder in order to inhibit dissolution of the copper surface to be soldered has been found to be dopant level, below the binary tin-copper eutectic point.

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Bibliographische Detailangaben
1. Verfasser:	NIEDRICH, DANIEL SCOTT
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ALLOYS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS PRINTED CIRCUITS SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	Low melting temperature copper-containing solders are disclosed for soldering and rework on copper surfaces. The amount of copper required in the solder in order to inhibit dissolution of the copper surface to be soldered has been found to be dopant level, below the binary tin-copper eutectic point.