The $30,000 Wafer Crisis: Why Apple’s A20 Pro 2nm Leap Left the Base iPhone 18 in Silicon Limbo
A semiconductor engineering investigation by Lukas Schmidt: inside TSMC’s $30,000 N2 wafer costs, A20 Pro GAAFET nanosheet physics, the WMCM packaging revolution, and why the base iPhone 18 is trapped on 8GB RAM without on-device Apple Intelligence.