BTW, some interesting history about the TSMC...
the senior chief of R&D department TSMC- Mr. Mong-Song Lian left the company in 2009 , he went to the South Korean University and then join the Samsung...and then here came the 'rise' of Samsung's
Foundry --
semiconductor fabrication plant operation...lol... TSMC took a legal action against him later...
nowadays, Mr Lian joins in Mainland China's SMIC(Semiconductor Manufacturing International Corporation, the 4th on the international rank)...and then came the maturing of the 28nm process mass production...just months ago. SMIC began the mass production of 14nm process. in this production field, an important indicator is 'finished product ratio'( 60% qualified ,80%+ maturing ). we need some time to observe SMIC's 14nm production then judge...
with the new ASML machine coming, the 7nm process is right on the way.