Patent ID: 7728442

Claim:
A semiconductor device comprising: (a) a semiconductor substrate of a substantially rectangular shape; (b) semiconductor elements formed over a main surface of said semiconductor substrate; (c) multilayer interconnections formed over said semiconductor elements; (d) a first insulating film formed over said main surface of said semiconductor substrate to cover said semiconductor elements and said multilayer interconnections; (e) pad electrodes formed over said first insulating film; (f) at least one wiring layer formed over said first insulating film, said at least one wiring layer being formed of a conducting layer at a same level as said pad electrodes; (g) a second insulating film to cover said pad electrodes and said at least one wiring layer, said second insulating film having openings at upper sides of said pad electrodes, respectively; and (h) bump electrodes of substantially rectangular shape formed over said second insulating film and being electrically connected to corresponding pad electrodes via said openings of said second insulating film, wherein said bump electrodes and said pad electrodes are respectively arranged at predetermined intervals in a first direction which is along a long side of said semiconductor substrate, wherein each of said bump electrodes is configured such that a long side thereof extends in a second direction which is along a short side of said semiconductor substrate, wherein, for each of said bump electrodes, a width thereof in said first direction is smaller than a width of the corresponding pad electrode in said first direction, wherein, for each bump electrode, a width thereof in said second direction is larger than a width of the corresponding pad electrode in said second direction, wherein each said opening is formed under one short side of the corresponding bump electrode, and wherein said at least one wiring layer is arranged to overlap with said bump electrodes in a plan view and extends to intersect with a long side of said bump electrodes.