FLUX COMPOSITION FOR CREAM SOLDER AND CREAM SOLDER

PROBLEM TO BE SOLVED: To obtain a flux compsn. and cream solder which have high activity, good solubility in a flux and have lowered hygroscopicity by incorporating a rosin derivative having primary carboxyl groups and a flux having the solubility in water of a specific value or below at room temp....

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TANAKA YASUHISA, AKIE HITOSHI, YOSHITOMI MANABU, NARITA KATSUHIKO, KAKU YOSHIHIRO, TANAKA TAKASHI, KOJIMA HIROMITSU
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACHINE TOOLS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PRINTED CIRCUITS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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