የታንታለም ካርባይድ ታሲ ሽፋን ያለው ሽፋን

As a leading Chinese manufacturer of Tantalum Carbide (TaC) coated covers, Semixlab's TaC coated cover plates are designed for advanced semiconductor epitaxial growth environments. In these environments, temperature, chemical stability, and contamination control are critical factors determining device yield. These coated covers are specifically designed for Si, SiC, and GaN epitaxial reactors, acting as a crucial sealing and shielding layer within the reaction chamber, protecting internal surfaces from corrosion and particulate contamination.

Semiconductor epitaxial growth, such as Si/SiC/GaN epitaxy, requires the formation of defect-free thin films under extremely demanding process conditions. Hydrogen, chlorine-based gases, ammonia, and hydrocarbon precursors continuously react in chambers at temperatures often exceeding 1500°C. Traditional chamber linings rapidly degrade under this chemical and thermal stress, leading to particle shedding, metal contamination, and shortened preventative maintenance intervals. Our TaC coated covers, with their ultra-high melting point (approximately 3880°C), superior plasma and chemical resistance, and dense, low-porosity coating structure, effectively suppress surface reaction residues. This ensures a clean chamber interior, reducing defect formation mechanisms such as particulates, surface pitting, and stacking fault propagation on the wafer.

In epitaxial reactors, thermal uniformity and gas flow stability are fundamental to wafer-to-wafer consistency. By maintaining structural integrity and non-reactive boundary surfaces, the TaC coated covers help maintain chamber symmetry and thermal equilibrium, ensuring uniform epitaxial layer growth and dopant incorporation across multiple wafers. By minimizing contamination and extending service life, fabs can achieve significant operational benefits: reduced downtime, lower total cost of ownership, optimized equipment uptime, and tighter process control.

Semixlab's TaC coated covers are manufactured using advanced CVD Tantalum Carbide coating deposition technology, microstructure adhesion control, and precision metrology to ensure coating integrity, thickness uniformity, and thermal shock resistance. The protective covers can be custom-designed for furnaces, MOCVD, LPCVD, and vertical SiC/Si epitaxial platforms. We sincerely look forward to becoming your long-term partner in China.