This truism is known to ASML as well, and they are ramping R&D spending to maintain or expand their lead. [0] Just as an example, the dimension of the features

This truism is known to ASML as well, and they are ramping R&D spending to maintain or expand their lead. [0] Just as an example, the dimension of the features their tool prints are smaller than the wavelength of light that is actually doing the printing. [0] https://www.statista.com/statistics/1100162/randd-costs-of-asml/ https://www.statista.com/statistics/1100162/randd-costs-of-a...