Underetching, e.g. etching of substrate under conductors or etching of conductor under dielectrics; Means for allowing or controlling underetching

Full Title

Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00 > Treatments characterised by their effect, e.g. heating, cooling, roughening > Underetching, e.g. etching of substrate under conductors or etching of conductor under dielectrics; Means for allowing or controlling underetching