Legacy chips use older manufacturing processes introduced more than a decade ago and are often far simpler than chips used in AI applications or sophisticated microprocessors. REUTERS China’s ...

Naura, another Chinese firm, has developed a technique for layering silicon-germanium onto chip wafers—a business long dominated by Applied Materials, an American competitor.

The Biden administration’s investigation would open the door to tariffs on chips, which the U.S. doesn’t import much of, and on anything that has Chinese chips in it — from refrigerators to ...