Application fields and industries of silicon carbide epitaxial wafers: epitaxial wafers are mainly used to make various discrete devices, such as SBD, MOSFET, JFET, BJT, SIT, MESFET, etc., which are widely used in various fields, such as white goods, hybrid and pure electric vehicles, solar and wind power generation, UPS, motor control, rail locomotives, ships, smart grids, etc.

Silicon carbide epitaxial wafers belong to the semiconductor industry.

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In 20 12, Tianhan Taicheng Electronic Technology (Xiamen) Co., Ltd., located in Xiamen Torch High-tech Zone, put the first batch of domestic industrialized 3-inch and 4-inch silicon carbide semiconductor epitaxial wafers into production.

In 20 13, Tian Han Taicheng plans to pilot-produce 6-inch silicon carbide epitaxial wafers; By 20 16, the annual output of 20,000 silicon carbide epitaxial wafers will be realized, and the estimated output value will reach 420 million yuan.

20 15 Chen Xiaolong, a researcher at the Institute of Physics, Chinese Academy of Sciences, cooperated with Beijing Tianke Heda Blu-ray Semiconductor Co., Ltd. to solve the 6-inch wafer expansion technology and wafer processing technology, and successfully developed a 6-inch silicon carbide single crystal substrate. As of March 20 14, Tianke Hoda has formed a production line with an annual output of 70,000 silicon carbide wafers.

Phoenix Net-China has successfully developed domestic 6-inch silicon carbide chips with an annual output of 70,000 pieces.

He Xun. Com- Yang Guang exclusively produces the first batch of commercial silicon carbide epitaxial wafers in Xiamen.