coating

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    Can we replace Non-clean paste that don't need ECD9700 to clean before coating??

    Hi, For ROHS products, usually we use NON-clean paste and use our ECD9700 to clean it before coating. Now we want to use NON-clean paste and don’t do any clean before coating. Is this acceptable? I think there is risk of reliability. Or we can change to use clean paste and Di-water...