Sodium Chlorate 46%
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An acid, non-etching cleaner that provides the most effective removal of chromate conversion coating from copper laminate. LAYER CLEAN CR also removes soils such as fingerprints and oxides. Used prior to photoresist lamination, it reduces imaging defects by improving photoresist adhesion. LAYER CLEAN CR’s non-chelating, non-chloride formula cleans and conditions copper surfaces, and provides consistent high speed cleaning at low concentrations. It is effective in both spray and soak applications.
A one-part concentrate formulated to develop fully aqueous dry film photoresists and photoimageable solder masks. DX-45 PLUS’ highly concentrated formula is ideally suited for use in feed and bleed systems, resulting in less frequent additions than with more dilute carbonate solutions. Proprietary ingredients enhance loading, help keep equipment clean, and ensure straighter sidewalls, cleaning the foot” of underdeveloped resist. These features result in greater productivity and less down time. “” one-part concentrate formulated to develop fully aqueous dry film photoresists and photoimageable”
A non-ammoniated fluoride glass etch. MAGNUM GE-600 is used to etch away the glass fiber bundles left exposed after the permanganate etchback process. It can be mixed with MAGNUM N-599 NEUTRALIZER or used as a separate step for maximum process control.
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