Manufacturing semiconductors is one of the most precise engineering feats in human history, conducted in "fabs" (fabrication facilities).

A single wafer contains hundreds of individual chips (dies). An automated tester checks every die for defects. A diamond saw cuts the wafer into individual chips.

The semiconductor industry faces several challenges, including:

Between each layer, the wafer surface must be perfectly flat and smooth to ensure the next layer prints accurately. CMP uses a combination of chemical and mechanical forces to polish the surface.

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Semiconductors are the foundational materials of modern electronics, characterized by electrical conductivity that falls between that of a conductor (like copper) and an insulator (like glass)

The building blocks of microchips. They act as electronic switches or amplifiers. The most common type is the MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor), which uses a small voltage at its gate terminal to control a larger current flowing between its source and drain terminals. Integrated Circuits (ICs)

Frequently used in high-speed and optoelectronic devices, such as lasers and LED lights.

All the complexity of fabrication aims to create two fundamental building blocks:

Supply chain diversification and government investments (CHIPS Act) are reshaping the landscape. Conclusion