Reducing agent and method for the electroless deposition of...

Details Reducing agent and method for the electroless deposition of... Reducing agent and method for the electroless deposition of...

C - Chemistry, Metallurgy

23

C

117/79

C23C 18/42 (2006.01) C23C 18/44 (2006.01)

Patent

CA 1268383

ABSTRACT A brighter, more uniform deposit of electroless silver is achieved over a wider temperature range by employing as a reducer a compound represented by the general formula: R2 - (CHR1)n - CH2OH where n is two (2) to seven (7), R2 is represented by the formula COOH or CH2R1, each R1 group is independently selected from the class consisting of OH, NH2, NHCH3, NHC2H5 or NHC3H7 and at least one of the R1 groups is NH2, NHCH3, NHC2H5 or NHC3H7. Preferred reducers are N-methylglucamine, d-glucamine and glucosaminic acid.

554685

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