150 mm SiC Engineered Substrates for High-Voltage Power Devices
Materials Science Forum(2022)
摘要
Silicon Carbide (SiC) Power Devices have emerged as a breakthrough technology for a wide range of applications in the frame of high power electronics. Despite the continuously improving quality and supply of 4H-SiC substrates, the availability of such wafers is still insufficient. An advantageous opportunity is offered by the Smart CutTM technology with the integration of a very high quality SiC layer transferred to a low resistivity handle wafer. This bi-layer material enables a significant yield optimization and improvement of the device’s electrical performance. Moreover, an additional key feature of the Smart CutTM technology is the possibility to re-use multiple times the donor wafer, leading to reduced manufacturing costs and enabling the high volume production of SiC wafers. In this paper we report the latest advances in the development of such so called SmartSiCTM substrates.
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关键词
high-voltage
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