The machine shoots molten tin droplets and hits them twice with a laser hotter than the surface of the sun — 50,000 times per second. That’s how ASML prints a city of atoms onto silicon. Today on The Byte-Size Brief, we put ASML, ticker ASML, under the microscope. ASML holds 100% market share in EUV lithography and roughly 90% in high-end DUV machines. Their latest High NA EUV systems — the Exe.520b — sell for $350 to $400 million each, and TSMC, Intel, and Samsung have no one else to call. ASML acts as a massive system integrator across 800+ elite suppliers, relying on Zeiss for optics and Cymer for light sources.

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