ASML blocked from shipping some of its critical chipmaking tools to China

Dutch firm ASML makes one of the most important pieces of machinery required to manufacture the most advanced chips in the world. U.S. chip curbs have left companies, including ASML, scrambling to figure out what the rules mean in practice.ASML sells lithography machines that are a key part of the chip manufacturing process. One type of machine they sell is called an extreme ultraviolet (EUV) lithography machine which is used to make the most advanced chips around, such as those that go into an Apple iPhone ...