Abstract IN WHICH R1 IS AN ALIPHATIC OR CYCLIC GROUP AND R2 IS H, A SULPHATE GROUP, A PHOSPHATE GROUP OR AN ACID CHLORIDE THEREOF, (A+B+C) HAS A VALUE OF BETWEEN 20 AND 500 AND THE THIOETHER OF POLYALKYLENE GLYCOL IS PERCENT IN A QUANTITY OF BETWEEN 0.001 AND 0.5% BY WEIGHT. R1-S(C2H4O)A(C3H6O)B(C2H4O)C-R2, 1. AN ALKALINE AQUEOUS COPPER-PLATING BATH FOR THE DEPOSITION OF DUCTILE COPPER COMPRISING AS ESSENTIAL CONSTITUENTS: 0.01-0.15 MOL OF A COPPER SALT SOLUBLE IN WATER, 0.01-0.80 MOL OF A COMPOUND FORMING COMPLEXES WITH CUPRIC IONS, 0.01-0.35 MOL OF FORMALDEHYDE OR A COMPOUND PRODUCING FORMALEDHYDE, 0.05-0.50 MOL OF ALKALI HYDROXIDE (PH$11-13.5),AND A THIOETHER OF A POLYALKYLENE GLYCOL, CHARACTERIZED IN THAT THE THIOETHER IS DEFINED BY THE FOLLOWING FORMULA:
AN ALKALINE AQUEOUS COPPER-PLATING BATH FOR THE DEPOSITION OF DUCTILE COPPER COMPRISING AS ESSENTIAL CONSTITUENTS: 0.01-0.15 MOL OF A COPPER SALT SOLUBLE IN WATER, 0.01-0.80 MOL OF A COMPOUND FORMING COMPLEXES WITH CUPRIC IONS, 0.01-0.35 MOL OF FORMALDEHYDE OR A COMPOUND PRODUCING FORMALEDHYDE, 0.05-0.50 MOL OF ALKALI HYDROXIDE (PH$11-13.5),AND A THIOETHER OF A POLYALKYLENE GLYCOL, CHARACTERIZED IN THAT THE THIOETHER IS DEFINED BY THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
66 words
AN ALKALINE AQUEOUS COPPER-PLATING BATH FOR THE DEPOSITION OF DUCTILE COPPER COMPRISING AS ESSENTIAL CONSTITUENTS: 0.01-0.15 MOL OF A COPPER SALT SOLUBLE IN WATER, 0.01-0.80 MOL OF A COMPOUND FORMING COMPLEXES WITH CUPRIC IONS, 0.01-0.35 MOL OF FORMALDEHYDE OR A COMPOUND PRODUCING FORMALEDHYDE, 0.05-0.50 MOL OF ALKALI HYDROXIDE (PH$11-13.5),AND A THIOETHER OF A POLYALKYLENE GLYCOL, CHARACTERIZED IN THAT THE THIOETHER IS DEFINED BY THE FOLLOWING FORMULA: