Wax-flux composition containing alkylaryl sulfonic acid for...

Details Wax-flux composition containing alkylaryl sulfonic acid for... Wax-flux composition containing alkylaryl sulfonic acid for...

B - Operations, Transporting

23

K

148/59

B23K 35/36 (2006.01)

Patent

CA 1052671

ABSTRACT OF THE DISCLOSURE WAX-FLUX COMPOSITION CONTAINING ALKYLARYL SULFONIC ACID FOR SOLDERING Wax-flux compositions for use in low-temperature soldering processes comprise (A) a major amount of a wax and (B) an effective amount to cause fluxing, at or below the soldering temperature of the piece to be soldered, of a wax- soluble alkylaryl sulfonic acid. A process for soldering electrical components to a printed circuit board comprises (A) applying a molten wax-flux composition as described above to the metal pattern side of the board, (B) allowing the wax-flux composition to solidify, (C) trimming the components leads, and (D) soldering the components to the printed circuit board.

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