PYROPHOSPHATE-BASED BATH FOR PLATING ON TIN ALLOY LAYERS
摘要
An aqueous cyanide-free electrolyte bath for plating of tin alloy layers on substrate surfaces comprising (i) a tin ion source and a source for another alloy element, characterised in that it further contains (ii) N-methyl pyrrolidone is described.
申请公布号
WO2009109271(A2)
申请公布日期
2009.09.11
申请号
WO2009EP00802
申请日期
2009.02.05
申请人
ATOTECH DEUTSCHLAND GMBH;HARTMANN, PHILIP;KOHLMANN, LARS;BRUNNER, HEIKO;SCHULZ, KLAUS-DIETER
