Intel Tick-Tock
"Tick-Tock" is a model adopted by chip manufacturer Intel Corporation since 2007 to follow every microarchitectural change with a die shrink of the process technology. Every "tick" is a shrinking of process technology of the previous microarchitecture and every "tock" is a new microarchitecture. Every year, there is expected to be one tick or tock.
Read more about Intel Tick-Tock: Roadmap