TSMC vice chairman and CEO C.C. Wei announced the company's plans for 5 nm are on track, which means High Volume manufacturing (HVM) on the node is expected to be achieved by 2Q 2020. The company has increased expenditures in ramping up its various nodes from an initially projected $10 billion to something along the lines of $14 billion - 15 billion; the company is really banking on quick uptake and design wins on its most modern process technologies - and the increased demand that follows.

TSMC's 5 nm process (N5) will use extreme ultraviolet lithography (EUVL) in many more layers than its N7+ and N6 processes, with up to 14 layers being etched in the N5 silicon compared to five and six, respectively, for its "older" N7+ and N6 processes. As the company increases capital expenditure in acquiring EUVL-capable equipment that sets up its production nodes for the market they foresee will just gobble up the chips in 2020, the company is optimistic they can achieve growth in the 5-10% number.

TSMC in its quarterly earnings call expressed confidence in that most of its 7 nm (N7) process production node customers would be looking to make the transition to their 6 nm (N6) process. In fact, the company expects that node to become the biggest target for volume ordering (and thus production) amongst its customers, since the new N6 fabrication technology will bring about a sort of "backwards compatibility" with design tools and semiconductor designs that manufacturers have already invested in for its N7 node, thus allowing for cost savings for its clients.

This is despite TSMC's N6 process being able to take advantage of extreme ultraviolet lithography (EUVL) to lower manufacturing complexity. This lowering is achieved by the fact that less exposures of the silicon are required for multi-patterning - which is needed today as TSMC's N7 uses solely deep ultraviolet (DUV) lithography. Interestingly, TSMC expects other clients to pick up its N7+ manufacturing node that aren't already using their 7nm node - the need to develop new tools and lesser design compatibility between its N7 and N7+ nodes compared no N7 and N6 being the justification. TSMC's N7+ will be the first node to leverage EUV, using up to four EUVL layers, while N6 expands it up to five layers, and the upcoming N5 cranks EUVL up to fourteen (allowing for 14 layers.)