Carbide coatings provide excellent protection for graphite in the processing of demanding semiconductor and compound semiconductor materials. This extends the lifespan of graphite components, maintains reaction stoichiometry, and inhibits impurity migration into epitaxial and crystal growth applications, thereby improving yield and quality advantages.
Tantalum carbide (TaC) coating can protect critical furnace and reactor components from the influence of hot ammonia, hydrogen, silicon vapor, and molten metal at high temperatures (up to 2200 ° C). Tantalum carbide coating is mainly used for graphite crucibles and graphite bases.
Global manufacturers of graphite tantalum carbide coatings mainly include Momentive Technologies, Tokai Carbon, Bay Carbon, ZJLF TECH, HNDL, and HNXS.
In 2022, the top four global manufacturers hold approximately 86.0% of the market share. Global manufacturers of graphite tantalum carbide coatings mainly include Momentive Technologies, Tokai Carbon, Bay Carbon, ZJLF TECH, and others. In 2022, the top three global manufacturers hold approximately 79.0% of the market share.
Carbide coatings provide excellent protection for graphite in the processing of demanding semiconductor and compound semiconductor materials. This extends the lifespan of graphite components, maintains reaction stoichiometry, and inhibits impurity migration into epitaxial and crystal growth applications, thereby improving yield and quality advantages. Tantalum carbide (TaC) coating can protect critical furnace and reactor components from the influence of hot ammonia, hydrogen, silicon vapor, and molten metal at high temperatures (up to 2200 ° C).
Tantalum carbide coating is mainly used for graphite crucibles and graphite bases. At present, there are two treatment schemes for graphite tantalum carbide coating:
1. Processing of graphite devices and tantalum carbide coatings;
2. Separate coating treatment (processing).
Due to the fact that this coating is a "protective layer" formed on graphite devices through CVD deposition and PVD/sintering methods.
The core manufacturers of Tantalum Carbide Coating for Graphite include Maitu and Donghai Carbon Co., Ltd.
The United States is the world's largest producer of graphite tantalum carbide coatings, followed by Japan. By product type, chemical vapor deposition (CVD) is the largest segmented market, with a market share of over 80%. The largest application market is SiC single crystal growth.