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.
