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In twentieth century, after the invention of transistor, very‐large‐scale integration of transistor circuits, and mobile technology, we have data power to enhance machine power. What is coming is to have artificial intelligence (AI) revolution. We have robots, and human‐less vehicles and aircrafts to serve us. Mobile technology supported by mobile internet will have a long way to go in the near future. Accompanying the rapid progress, however, Moore’s law of miniaturization in Si chip technology is near ending, so people wonder whether the rapid progress can be sustained.

If we look back to the last 10–20 years, semiconductor industry has had some interesting events. Namely, Japan has lost the leadership in semiconductor technology. The large European countries such as England, France, and Russia have no presence in microelectronics. On the other hand, Taiwan and Korea have gained the leadership due to the success of Taiwan Semiconductor Manufacturing Corporation (TSMC) and Samsung. Today, China has identified semiconductor device development and manufacturing to be a national goal and will spend a large sum of money to achieve it. One of the key reasons behind the trade war between United States and China is due to the competition in advanced semiconductor technology and in manufacturing of consumer electronic products. At the same time, 5G communication technology and AI applications are with us and they exert an unlimited impact and change to our society.