An executive left TSMC for Intel. Taiwan’s government says that could threaten its national security.

© Lam Yik Fei for The New York Times

President Trump said Nvidia can export some chips. But years of U.S. restrictions have propelled China to make everything it needs for advanced A.I.

© John G Mabanglo/EPA, via Shutterstock

European chipmakers need TSMC’s help to grow their own semiconductor supply chain, but the chip giant’s Taiwanese suppliers find Europe a tough place to do business.

© Milan Bures for The New York Times

Nexperia, a computer chip maker based in the Netherlands, was taken over by the Dutch government after pressure from officials in Washington.

© Peter Dejong/Associated Press

Beijing’s latest effort to weaponize global supply chains is modeled on the American technology controls that it has long criticized.

© Pool photo by Ken Ishii