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Chip, also known as microcircuit, microchip, integrated circuit (IC). It refers to the silicon chip containing integrated circuits, which is very small and often part of computers or other electronic equipment.

HONTEC is one of leading High-speed Board manufacture, who specializes in high-mix,low volume and quickturn prototype PCB for high-tech industries in 28 countries.(China high speed board）

Germanium, silicon, selenium, gallium arsenide and many metal oxides, metal sulfides and other objects, whose conductivity is between conductor and insulator, are called semiconductors. Semiconductors have some special properties. For example, the thermistor (thermistor) for automatic control can be made by using the relationship between the resistivity and temperature of the semiconductor; Using its photosensitive characteristics, photosensitive elements for automatic control can be made, such as photocells, photocells and photoresistors

the difference between longitude and latitude causes the change of substrate size; Due to the failure to pay attention to the fiber direction during shearing, the shear stress remains in the substrate.

In a certain period of time, enterprises will encounter the bottleneck of development. The operating cost has been rising, but it is difficult to find the "location" of the cost. We call it "invisible cost". 1. Meeting cost

Why does the resistivity of semiconductor go down with temperature？Between the conductor and semiconductor resistivity difference is due to the different density of charge carriers.