Semiconductor's seal and test As the name suggests: The electric conductivity has been situated between the conductor and the insulator (insulator) material, the named partly leads (semiconductor) since to have the humanity, passed through over a million year years. Society's progress may use the utensil which at that time the humanity used to represent, from ancient times' Stone Age, to the copperware, progressed again to the Iron Age. Nowadays, take silicon as raw material electronic building brick output value, then has surpassed take the steel as raw material output value, humanity's history therefore officially entered for one new time, is also the silicon time. What the silicon represents is precisely the semiconductor module, including storage element, microprocessor, logic package, electro-optical module and detection and so on. The silicon is in the earth's crust the most common element, many stone's principal constituents are the silicon dioxide, however, passes through the integrated circuit which several hundred system regulations make, its value may amount to over ten thousand dollars; Turns the silicon chip the stone the process is a touching a stone and turn it into gold achievement, is also the modern science miracle! In Japan, some people analogy the semiconductor as industrial society's paddy rice, is the modern society on first is indispensable, in the national defense, only has the solid electronics industry foundation, only then had the formidable national defense ability, the Semiconductor Technology already became weighs a country electronics industry development height the important target! in 1947, the US Bell Lab has invented the semiconductor contact type transistor, thus founded humanity's silicon civilized time. In 1970, decided the semiconductor industrial development direction, that is the semiconductor memory (semIConductor memory) and the microprocessor (micro processor) invention. In the microprocessor aspect, intel the contribution which does to the society is very huge, becomes semiconductor's trail blazer, and they proposed a mole of law has been affecting now the society.