| 摘要 |
In a semiconductor device having a fuse 11 which makes connection between a first interconnection 10 and a second interconnection 12 , and a first low heat-conductive section 13 which makes connection between the first interconnection 10 and a third interconnection 14 at a site of the first interconnection 10 where the fuse 11 is not connected, the first low heat-conductive section 13 is fabricated from a material having a heat conductivity lower than that of the material to form the first interconnection 10 . When the fuse is blown with the laser beam irradiation, the heat dissipation through the heat conduction along the fuse and the interconnection is to be suppressed, and thereby a satisfactory disconnection at the fuse is to be achieved.
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