Apple is in the "final stages" of verifying the 'Made in America' iPhone chips in the TSMC Arizona factory so it can start using them.

TAIPEI -- Apple is in the final stage of verifying its first "made in America" cutting-edge processor chips from Taiwan Semiconductor Manufacturing Co.'s plant in Arizona. The first batch of commercial mass-produced chips is expected as early as this quarter, after the quality assurance processes are completed, people briefed on the matter said.

Apple is nearing the start of mass production for its first U.S.-made A-series chips at TSMC's Arizona plant, Nikkei Asia reports. The

Apple announced that it would start using US chipsets from TSMC’s Arizona plant in the future. TSMC said that a third of the chips made at the Arizona plant will be for the iPhone maker. At the time,

The first US plant to make A-series chips for Apple devices is expected to begin mass production as early as this quarter, says a new report. It implies that test production by TSMC has already begun,