According to overseas media techpower up, TSMC is actively promoting the mass production plan of 3nm process, and is expected to realize the mass production of 3nm process between the second half of 2022 and the first half of 2023. It is understood that TSMC 3nm process has N3, n3b, n3e and other nodes. It is reported that n3e reduces the number of EUV mask layers on the basis of N3, from 25 layers to 21 layers. The logic density is 8% lower, but it is still 60% higher than the N5 process nod...