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gallium nitride

Gallium nitride is an inorganic. The chemical formula GaN is a compound of nitrogen and gallium. It is a direct bandgap semiconductor and has been commonly used in light-emitting diodes since 1990. This compound is similar in structure to wurtzite and has high hardness. With a wide band gap of 3.4 electron volts, gallium nitride can be used in high power, high speed optoelectronic components. For example, gallium nitride can be used in laser diodes of violet light. It can be used without using a nonlinear Diode-pumped solid-state laser. Generates violet light (405nm) laser.

2023-04-20

SiC MOS

Silicon carbide (SiC) MOSFET is a kind of high speed, high efficiency, low power semiconductor device, widely used in high voltage, high temperature, high power electronics field. Compared with traditional Si mosFeTs, SiC MosFeTs have higher breakdown field strength, better resistance to high pressure, and higher switching speed, while having better high-temperature stability and lower turn-off loss.

2023-04-20

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The State Council Information Office held a press conference on the import and export situation in the first quarter of 2022

On April 13, the State Council Information Office held a press conference. Li Kuiwen, spokesperson of the General Administration of Customs and director of the Statistics and Analysis Department, attended and introduced the import and export situation in the first quarter of 2022.

2022-04-13

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