Soldering

Details Soldering Soldering

B - Operations, Transporting

23

K

356/12, 149/14,

B23K 35/362 (2006.01) B23K 35/36 (2006.01) H05K 3/34 (2006.01)

Patent

CA 1085275

ABSTRACT OF THE DISCLOSURE A flux composition of the non-corrosive type suitable for use in soft soldering, particularly in the electrical and electronics industries, contains in place of the conventional natural rosin (colophony), an ester of a polyhydric alcohol such as pentaerythritol tetrabenzoate. The composition can be in solid or liquid form and in the latter can perform the multiple functions of an etch resist, a protective coating and a flux in the production of printed circuit assemblies. -1-

278255

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