Advantages and disadvantages of aqueous cleaning media

Prior to the implementation of a eleaning process in a production line, the following criteria need to be taken into consideration  

The substrates that have to be eleaned should be free of all kinds of residues that might have some negative influence on the functionality of the substrates. The eontamination consist predominantly of flux residues, solder paste or SMT adhesive. Another important aspect with respect to the cleaning result is the compatibility between substrates and the cleaning chemistry. It is painless to remove the contamination while destroying the substrates. 

Every engineer tries to implement a process with a wide process window, and minimizing potential problems during production. While evaluating a cleaning process, the process parameters should be stable over a long period of time. As a result the equipment down time can be minimized, due to maintenance thereby optimizing the overall process eost. 

Another very important aspect for the evaluation of a new cleaning process is the issue on personal safety. The following topics have to be taken into consideration  

If the evaluated cleaning agent fulfils these important requirements, the chemistry will be accepted by the operator. 

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