MicroBT KF1978E ASIC Miner Samsung SF3E GAA Process Advanced CMOS Essentials
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The MicroBT WhatsMiner M56S++ cryptocurrency miner die features the first high-volume manufactured gate-all-around (GAA) CMOS technology, produced using Samsung's SF3E process, Samsung’s early version of their 3 nm process. The report includes a summary of key findings, and a detailed look at the FEOL, MOL and BEOL structures, and the materials used. Extensive SEM, TEM and materials analysis provide a complete look at how this device was manufactured.
