They are smooth white boxes, roughly the size of large cargo vans, and they are now at the heart of the U.S.-Chinese technology conflict.
As the United States tries to slow China’s progress toward technological advances that could help its military, the complex lithography machines that print intricate circuitry on computer chips have become a key choke point.
The machines are central to China’s efforts to develop its own chipmaking industry, but China does not yet have the technology to make them, at least in their most advanced forms. This week, U.S. officials took steps to curb China’s progress toward that goal by barring companies globally from sending additional types of chipmaking machines to China, unless they obtain a special license from the U.S. government.
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