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There are two types of epitaxy: homogeneous and heterogeneous. In order to produce SiC devices with specific resistance and other parameters for different applications, the substrate must meet the conditions of epitaxy before production can begin. The quality of the epitaxy affects the device's performance.

Tantalum carbide coating is an important high-strength, corrosion-resistant and chemically stable high-temperature structural material with a melting point of up to 4273 °C, one of the several compounds with the highest temperature resistance. It has excellent high-temperature mechanical properties, resistance to high-speed airflow scouring, ablation resistance, and good chemical and mechanical compatibility with graphite and carbon/carbon composites. Therefore, in the epitaxial process of GaN LEDs and SiC power devices such as MOCVD, TaC coating has excellent acid and alkali resistance to H2, HCl, NH3, which can completely protect the graphite substrate material and purify the growth environment.

In the world of high-temperature heating, achieving precision and reliability in extreme conditions is paramount. To meet these challenges, innovative materials and designs have been developed to push the boundaries of what's possible. One such advancement is the Silicon Carbide (SiC) coated graphite heating element.

Silicon carbide (SiC) is highly favored in the semiconductor industry for its excellent physical and chemical properties. However, the high hardness and brittleness of SiC pose considerable challenges to its processing.

Isostatic pressing technology is a critical process in the manufacturing of isostatic graphite, largely determining the performance of the final product. As such, comprehensive research and optimization of isostatic graphite production remain essential focal points in the industry.

Carbon fiber (CF) is a type of fibrous material that contains over 95% carbon.