COMPOSITION FOR METAL ELECTROPLATING COMPRISING LEVELING AGENT

摘要

A COMPOSITION COMPRISING A SOURCE OF METAL IONS AND AT LEAST ONE ADDITIVE COMPRISING A POLYALKYLENEIMINE BACKBONE, SAID POLYALKYLENEIMINE BACKBONE HAVING A MOLECULAR WEIGHT MW OF FROM 300 G/MOL TO 1000000 G/MOL, WHEREIN THE N HYDROGEN ATOMS IN THE BACKBONE ARE SUBSTITUTED BY A POLYOXYALKYLENE RADICAL AND WHEREIN THE AVERAGE NUMBER OF OXYALKYLENE UNITS IN SAID POLYOXYALKYLENE RADICAL IS FROM 1.5 TO 10 PER N-H UNIT.