➀ TSMC's third factory in Arizona has officially started construction, confirmed by Sandra Watson, President of the Arizona Commerce Authority. ➁ The first phase of the factory is expected to begin production of 4nm chips in the first half of 2025, with the second phase targeting 3nm and 2nm production by 2028. ➂ The total investment for all three phases is estimated at $65 billion, with the state government actively supporting the project and inviting other tech companies to invest in Arizona.