When Samsung introduced earlier this yr that it had began quantity manufacturing of chips utilizing its 3GAE (3nm-class, gate-all-around early) course of know-how, it by no means revealed what sort of parts it made on its modern node. Because it seems, Samsung makes use of 3GAE to fab an application-specific built-in circuit (ASIC) for cryptocurrency mining.
Samsung 3GAE fabrication know-how is the trade’s first course of that depends on gate-all-around (GAA) transistors which Samsung calls MBCFETs (multi-bridge channel field-effect transistors). GAA transistor structure reduces leakage present because the gate is now surrounded by the channel throughout all 4 sides; it additionally allows alteration of transistor efficiency and energy consumption by adjusting the channel’s thickness of the channel(s). GAAFETs are notably useful for high-performance and cellular functions, which is why firms like Intel and TSMC are working onerous to make use of them in 2024 – 2025.