| 摘要 |
To prevent contact plugs formed to sandwich an abutting portion between gate electrodes, from being short-circuited via a void formed inside an insulating film of the abutting portion. Over sidewalls SW facing each other in the abutting portion between gate electrodes G2 and G5, a liner insulating film 6 and an interlayer insulating film 7 are formed. Between the sidewalls SW, the liner insulating film 6 formed on each of the side walls of the sidewalls SW are brought in contact with each other to close a space between the sidewalls SW to prevent a void from being generated inside the interlayer insulating film 7 and the liner insulating film 6.
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