Process of electrodepositing copper, silver, or brass

Claim 1

IN THE PROCESS OF ELECTRODEPOSITING A METAL FROM THE GROUP CONSISTING OF COPPER, SILVER AND BRASS UPON A BASE MEMBER FROM AN ELECTROLYTE SUITABLE FOR THE ELECTRODEPOSITION OF THE METAL, THE STEPS COMPRISING APPLYING THE ELECTROLYTE TO THE BASE MEMBER, PASSING A UNIDIRECTIONAL ELECTRICAL CURRENT AT A VOLTAGE OF NOT OVER 10 VOLTS THROUGH THE BASE MEMBER AND THE ELECTROLYTE TO RENDER THE BASE MEMBER CATHODIC FOR A PREDETERMINED PERIOD OF TIME OF FROM ABOUT 2 TO 40 SECONDS TO ELECTRODEPOSIT METAL UPON THE BASE MEMBER, TERMINATING THE CATHODIC CURRENT, PASSING AN ALTERNATING CURRENT THROUGH THE BASE MEMBER AND ELECTROLYTE, FOR A SHORTER PERIOD OF TIME OF APPROXIMATELY 0.1 OF THE PERIOD OF CATHODIC CURRENT, AT LEAST ONE COMPLETE CYCLE OF ALTERNATING CURRENT BEING APPLIED TO THE MEMBER IN THIS PERIOD, THE ALTERNATING CURRENT HAVING A HIGHER PEAK VOLTAGE THAN THE CATHODIC VOLTAGE, AND REPEATING APPLYING THE CATHODIC CURRENT AND ALTERNATING CURRENT CYCLE UNTIL A DESIRED THICKNESS OF METAL HAS BEEN ELECTRODEPOSITED ON THE BASE MEMBER.