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Silicon wafers are fundamental to modern electronics. From smartphones to sensors, they provide the base (substrate) that makes semiconductor devices, MEMS, power systems, and photonics possible. This article explains what silicon wafers are, their special variants like SOI (Silicon-on-Insulator), and where & how they are used.

In the heart of our digital world lies a small but incredibly powerful component: the silicon wafer. This unassuming slice of silicon is the backbone of modern electronics, powering everything from the smartphones in our pockets to the supercomputers that drive scientific research. But what exactly is a silicon wafer, and why is it so crucial? Let’s dive into the fascinating world of silicon wafers and explore their significance, manufacturing process, and future potential.