TSMC plans to make all the way to as small as 7nm processors, they say they have plans to continue overtaking or matching Moore’s law for at least 10 more years. TSMC is the worlds largest independent ARM Processor foundry. Here’s a video about how TSMC makes the processors of the present and the future, they do them for many of the major ARM chip designers such as Texas Instruments, Nvidia, Qualcomm and others.