Circutek C-877 is used to catalyze non-metallic surfaces in the electroless copper process. Such surfaces are present in drilled holes (PTH) and include resin and glass weave surfaces that were cleaned and exposed in the desmear process steps. The chemical activity relies on the presence of colloidal palladium, which when adsorbed on non-metallic surfaces enables plating of electroless copper deposits. Circutek C-877 bath must be preceded by Circutek PD-776 to protect the delicate chemical balance of the former and assure the optimal catalyst performance.
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An acidic, solvent-based, soluble equipment cleaner designed for use on photoresist developers and strippers. E-cleanDF is exceptionally effective on dry film resists, antifoam residues, hard water scale and carbonate residues. It effectively cleans the residues inside nozzles and pipes.
A wipe-off screen cleaner formulated to rapidly remove inks from printed circuit screens and boards without leaving a residue. EV SCREEN CLEANER has a high evaporation rate to make screens ready for use quickly and without the need for a water rinse.
Equipment Cleaner II removes water hardness, photoresist and soldermask scum and metal salt deposits from chemical processing equipment. Specifically developed for the Printed Circuit Board and Chemical Milling Industries, it will safely clean any spray equipment without damage to any metal or plastic. Equipment Cleaner II may be used at any temperature the equipment can safely handle, and may be reused until all the capacity is consumed. Equipment Cleaner II is a product that cleans: • Dry film developer residues • Dry film stripper residues • Solder stripper residues • Cleaner residues • Etcher residues (ammoniacal, or cupric) • Soldermask Developer residue • Tin Stripper Iron residue