| 摘要 |
In a semiconductor device, which comprises a capacitor component comprising a first electrode, an oxide film with a high dielectric constant or ferroelectricity in contact with the first electrode and a second electrode in contact with the oxide film, as formed in this order, on one principal side of a silicon substrate with a metal wiring layer formed thereon, such problems as breaking of tungsten interconnect, lowering of reliability, lowering of yield, etc. of semi-conductor devices can be solved by using molybdenum-containing tungsten as the material of metal interconnect layer.
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