Maxwell Brown

Maxwell Brown is an Assistant Professor of Mineral and Energy Economics at Colorado School of Mines. He teaches mathematical and computational economics and develops large-scale models of mineral, energy, and economic systems.

Golden, Colorado

China’s Hold on the Acid That Etches AI Chips

Japanese and South Korean companies make the purest hydrofluoric acid used to etch AI chips, but most of the fluorine behind it comes through China. How the supply chain works, where it is exposed and what Washington can do about it.

Global View Policy & Regulation

Maxwell Brown

Nov 2, 2026 — 17 min read