ðə tɹænsˈɪʃən fɹʌm ˈɛnmˈɑːs tə sˈiːmˈɑːs tɛknˈɑːlədʒi ɹɪzˈʌltᵻd ɪnðə nəsˈɛsɪɾi ʌv tˈaɪtli kˈʌpəld ænd fˈʊli tˈuː dˈiː sˈɪmjʊlˌeɪɾɚz fɔːɹ pɹˈɑːsɛs ænd dɪvˈaɪs sˌɪmjʊlˈeɪʃənz.
The transition from NMOS to CMOS technology resulted in the necessity of tightly coupled and fully 2D simulators for process and device simulations.