Fully subtractive Ru Topvia interconnects with minimum 9 nm-space airgap for RC performance and reliability enhancement as post-Cu interconnectsKoichi MotoyamaJaemyung Choiet al.2024IEDM 2024
EUV Double Patterning Solution for Subtractive Metal Patterning at 18nm PitchChris PennyKoichi Motoyamaet al.2024SPIE Advanced Lithography + Patterning 2024