Ignoring the derogatory words of the article; this is a massive technical feat for SMIC whose business is severely hampered by US sanctions. Also doing double p

Ignoring the derogatory words of the article; this is a massive technical feat for SMIC whose business is severely hampered by US sanctions. Also doing double patterning with DUVL, which I assume is the basic technique here, for higher resolution is not something that is unique to, nor owned by TSMC.