Electroless gold plating baths - Mine Safety Appliances ...
We claim: 1. In a cyanide free electroless gold plating bath consisting essentially of an aqueous solution of a gold (III) salt and a reducing agent therefor, the improvement of a tertiary amine borane reducing agent of the formula RO(C a H 2a O) x C b H 2b NR'R"BH 3. wherein a is a zero or an integer from 1 to 3, x is zero or an integer from 1 to 4, b is an integer from 1 to 5 and R,
