Reaction products of guanidine compounds or salts thereof, polyepoxide compounds and polyhalogen compounds may be used as levelers in metal electroplating baths, such as copper electroplating baths, to provide good throwing power. Such reaction products may plate with good surface properties of the metal deposits and good physical reliability.
胍类化合物或其盐类、多
环氧化物化合物和多卤素化合物的反应产物可用作
金属电镀液(如
铜电镀液)中的匀镀剂,以提供良好的抛镀力。此类反应产物可使
金属镀层具有良好的表面特性和物理可靠性。