Patent ID: 6163062
Filing Date: 2000-12-19
Classification: H01L

Abstract:
A semiconductor device comprising:a semiconductor substrate;a pair of non-metallic conductive members disposed on said semiconducting substrate;first to Nth (N.gtoreq.2) metal wiring layers stacked through interlayer insulating film upward in sequence over said semiconductor substrate and said pair of non-metallic conductive members;at least one fuse member formed by said (N-1)th metal wiring layer, said at least one fuse member having ends electrically connected to said pair of non-metallic conductive members through contact holes, said at least one fuse member having a total length L and being cuttable by a laser light having a spot diameter D and an alignment error .alpha.; andan insulating layer disposed over said Nth metal wiring layer, said insulating layer includingan opening having a diameter S directly above said fuse member, whereinL.ltoreq.D-.alpha., andS.gtoreq.L.