公式タイトルと情報はIP Exchange PlusとPremiumのユーザーのみが利用可能です。
特許 権利維持 PROBLEM TO BE SOLVED: To reduce remaining metal and its oxide in a wiring and to suppress an increase in wiring resistance when a seed layer is formed along a top surface of an insulating film and a recessed portion of an insulating film to bury a copper wiring in the recessed portion, then a barrier film is formed by heating, and a surplus of the metal forming the seed layer is removed.