Electricity, electronics parallel development of two fields
Power semiconductor devices in the early stages of its development (in the 1960s -80) are mainly used in industrial and power system, the last 20 years, with 4 C industries (communications, computers, consumer electronics, automotive) The vigorous development of power semiconductors The application of the device significantly to the expansion of the national economy and has penetrated into all fields of national defense construction, technology has become the aviation, aerospac
