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  • Application Scenarios for Epitaxial Layers

    We know that further epitaxial layers need to be built on top of some wafer substrates for device fabrication, typically LED light-emitting devices, which require GaAs epitaxial layers on top of silicon substrates; SiC epitaxial layers are grown on top of conductive SiC substrates for building devices such as SBDs, MOSFETs, etc. for high voltage, high current and other power applications; GaN epitaxial layers are built on top of semi-insulating SiC substrates for building HEMTs and other RF applications.

  • What is the process of SiC epitaxial?

    In the high voltage field, particularly for high-voltage devices above 20,000V, the SiC epitaxial technology still faces several challenges. One of the main difficulties is achieving high uniformity, thickness, and doping concentration in the epitaxial layer. For the fabrication of such high-voltage devices, a 200um thick silicon carbide epitaxial wafer with excellent uniformity and concentration is required.

  • Differences between SiC crystals with different structures

    Silicon carbide (SiC) is a material that possesses exceptional thermal, physical and chemical stability, exhibiting properties that go beyond those of conventional materials. Its thermal conductivity is an astonishing 84W/(m·K), which is not only higher than copper but also three times that of silicon. This demonstrates its enormous potential for use in thermal management applications.

  • Silicon Carbide Ceramics and Their Diverse Fabrication Processes

    This paper provides a comprehensive overview of the various manufacturing techniques employed to produce dense SiC ceramics, highlighting their unique characteristics and applications.

  • Purification Technology of Graphite in SiC semiconductor

    Graphite is vital in producing Silicon Carbide (SiC) semiconductors, known for their exceptional thermal and electrical properties. This makes SiC ideal for high-power, high-temperature, and high-frequency applications. In SiC semiconductor manufacturing, graphite is commonly used for crucibles, heaters, and other high-temperature processing components due to its excellent thermal conductivity, chemical stability, and resistance to thermal shock.

  • What are The Glass Wafers?

    With the development of semiconductor and optical technologies, glass wafers as the new type of glass product, are gradually becoming a complement to silicon wafers, showing great potential in the field of high technology. What are the glass wafers? Glass wafers are the high-performing circular thin slices, commonly made of quartz glass, alkali-free glass, or glass-silicon composites. With excellent physical and chemical properties, they play an irreplaceable roles in cutting-edge manufacturing fields, such as semiconductor manufacturing, optics, MEMS, consumer electronics, biomedicine, and laboratory research.

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