Semiconductor integrated circuit device with connections formed using a conductor embedded in a contact hole

   
   

The metal layers embedded into the contact holes of various kinds in shape are used as the lines and are employed as the lines for controlling the substrate bias. The first-layer metal line layers are made thin so as to be also employed as the lines for controlling the substrate bias. Moreover, the second-layer metal line layers are employed as the copper line layers. Thereby, a semiconductor integrated circuit which allows a high-speed and low-power operation is provided with a small area and without increasing the number of the masks.

 
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