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    Removal of Water-Soluble Flux from Assembled Printed Circuit Boards

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    Most of the fluxes encountered in printed circuit work today are of the rosin or activated rosin types. The corrosivity of the residues from these fluxes has made it mandatory to remove them from critical assemblies. The difficulties encountered in the removal of rosin residues has led many manufacturers to consider the use of water-soluble organic fluxes in an attempt to lessen the problem. In addition, certain applications require fluxes which are more active than the rosin compounds.

    Author Information:

    Smallwood, Jack E.
    Senior Project Engineer, Sonic Energy Engineering and Research, Pioneer-Central Division, The Bendix Corp., Davenport, Iowa

    Committee/Subcommittee: F01.10

    DOI: 10.1520/STP41231S