Transcription of Complex Chemistry & the Electroless Copper Plating Process
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2 Pl a t i n g & S u r f a c e Fi n i s h i n g Fe b r u a r y 2 0 0 4 Technical ArticleNuts & Bolts:What This Paper Means to YouIn Electroless Copper Plating , there is always a tug-of-war between the deposition rate and bath stability. A stable bath is slow, but a higher rate bath can decompose at the drop of a hat. Here, the authors have studied the effects of a dual-complexed Electroless Copper bath, using both EDTA and triethanolamine (TEA). The results show a successful a t i n g & S u r f a c e Fi n i s h i n g Fe b r u a r y 2 0 0 4 3 The effects of ethylenediaminetetraacetic acid (EDTA) and triethanolamine (TEA) as complexing agents on the electrochemical reduction of cupric ions and the oxidation of formaldehyde on palladium and Copper electrodes have been investigated. A dual-complexing agent Electroless Copper solution containing EDTA and TEA has also been investigated.
tional electroless copper plating solutions with formaldehyde as the reducing agent. 14-17 These plating solutions exhibit low deposi- tion rates because of the high formation constants of the cupric
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