Intel: Sub-10-nm Engraving in 10 Years

While Intel only recently initiated the transition to 45-nm engraving for its CPU with the Penryn, the next step will be the 32nm process, currently set to kick off next year, followed by 14nm in couple of years and from there then sub-10nm.
According to Pat Gelsinger, currently VP of Intel's Digital Enterprise Group, if the ways to achieve the future goals are identified, it is not the case beyond 14-nm:

But we did do that, and today we see a clear way to get to under 10 nanometers. With Moore's Law we always have about 10 years of visibility into the future, so beyond 10 nanometers, we're not sure how we'll do it,

However, as Intel will have to move forward and get the technologies implemented to enter the sub-10-nm engraving era, new processes will have to emerge, and Pat Gelsinger to quote:

We replaced the gate with high-K, we put metal on top of it, but it's still, quote, silicon... It may be carbon nanotubes next or it may be spintronics. But we'll keep moving forward.