ASML, a Dutch company, has become the sole supplier of extreme ultraviolet lithography machines, which are necessary for producing cutting-edge chips. The company's success is due to its early investment in this technology and its collaboration with the American government and other companies. ASML's machines are highly complex and allow for the creation of smaller and more densely packed transistors, enabling the production of more powerful and efficient chips. The company's dominance in the market has significant implications for the global semiconductor industry.