an integrated circuit having a multi - layered metal wiring structure with interlayer insulating films therebetween . a small cutout is made in a metal wiring when it is desirous to have the metal wiring touch a contact formed in a through hole passing through said cutout . a larger cutout is made in a metal wiring when it is desirous to have the metal wiring remain spaced from a contact formed in a through hole passing through said cutout .