Open Source Linux

Jun 23, 2021 · Fundamentals

From Sand to Silicon: How CPUs Are Made Step by Step

An in‑depth guide walks you through every stage of CPU production—from extracting pure silicon from sand, melting and shaping ingots, slicing wafers, applying photoresist, performing photolithography, ion implantation, metal layering, testing, and final packaging—revealing the complex, multi‑billion‑dollar process behind modern processors.