Abstract
SMC has the relatively short history about 2 centuries, however it became the leading existence in the worldwide industry, academia. The reasons of the improvement and the future problems for improvement are presented.
Keywords:
Vacuum tube, diode, computer, electromechanical relay, transistor, IC, MOSFET, CMOS, LSI, IT, SoC, PCB, BGA, Moore’s Law, MPU, DRAM, on-chip inverter, on-chip interconnect, repeater.