Aqueous alkaline solution, e.g. for cleaning or etching

Full Title

Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00 > Treatments involving liquids, e.g. plating, rinsing > characterised by the specific liquids involved > Using an aqueous solution, e.g. for cleaning or during drilling of holes > Aqueous alkaline solution, e.g. for cleaning or etching