Patent ID: 6207987
Filing Date: 2001-03-27
Classification: H01L

Abstract:
A semiconductor device, comprising:a semiconductor substrate having a main surface;a first interconnection layer formed on said semiconductor substrate;a first interlayer insulating film formed on said semiconductor substrate to cover said first interconnection layer, said first interlayer being polished by chemical-mechanical polishing;a second interconnection layer formed on said first interlayer insulating film; anda second interlayer insulating film formed on said first interlayer insulating film to cover said second interconnection layer;said first interlayer insulating film has one of a polished top surface and a film having a polished top surface which is laminated on said first interlayer insulating film, the polished top surface defining means for preventing displacement of said second interconnection layer when said first interlayer insulating film is transformed by heat.