Patent ID: 7316945

Claim:
A method for fabricating a fin field effect transistor comprising: sequentially depositing a first insulation film and a second insulation film over a semiconductor substrate; etching the first insulation film and the second insulation film using a first mask to form a trench on which a fin shaped conductor is to be formed; depositing a first conductor on the first and the second insulation films in which the trench is formed, thereby forming the fin shaped conductor; depositing a gate insulation film and a gate conductive layer over the first insulation film and the fin conductor; dry-etching the gate conductive layer using a second mask to form a gate conductor; depositing a spacer film, forming a spacer on a side wall of the gate conductor by an overall etching method, and then forming a source and drain by a source and drain ion implantation process; and performing a salicide process on exposed portions of the gate conductor and fin conductor to form a salicide film.