An inside look at TSMC’s $20B Arizona fab, which the company says is “dang near back” on schedule and will produce 4nm chips at a rate of 20K wafers per month (Katie Tarasov/CNBC)

Katie Tarasov / CNBC:
An inside look at TSMC's $20B Arizona fab, which the company says is “dang near back” on schedule and will produce 4nm chips at a rate of 20K wafers per month  —  WATCH NOW  —  TSMC says first advanced U.S. chip fab ‘dang near back’ on schedule.  Here's an inside look.