Formulated to remove dirt, oil, fingerprints and other soils from copper surfaces without etching the copper. ULTRACLEAN NF is especially recommended for cleaning Invar/copper laminate and double treated copper foil. Also for use prior to resist lamination, oxide treatment and plating processes. Its non-chelating formula allows for easy waste treatment. ULTRACLEAN NF is non-foaming for use in conveyorized spray applications.
An alkaline cleaner for use in the LAYERBOND 2000 adhesion promoter process. PREPBOND provides complete surface preparation for this process, eliminating the need for a microetch. It completely removes residues from Resist Stripper, and is extremely effective for removing handling soils and fingerprints. For spray, flood and soak applications.
An acid, sprayable cleaner and microetch. SUR CLEAN 92 removes a minute portion of metallic copper in addition to oxides and organic contamination. It can be used for cleaning inner layers, prior to solder mask application for SMOBC, and prior to solder leveling. It is effective in both spray and soak applications.