Bulk CVD SiC Etching Ring

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Bulk CVD SiC Etching Ring
Semicorex Bulk CVD SiC Etching Ring, growing from high purity silicon source, carbon source and reaction gas through CVD techniques.

Semicorex Bulk CVD SiC Etching Ring represents a paradigm shift in etching and thin film deposition processes for the semiconductor industry. Its exceptional thermal properties, unparalleled purity, remarkable plasma resistance, and unique potential for wafer energy delivery position it as a key enabler for next-generation semiconductor device fabrication. As the industry continues to push the boundaries of miniaturization and performance, demanding ever-smaller feature sizes and increased device complexity, the Bulk CVD SiC Etching Ring will play a critical role in driving innovation and enabling the advanced technologies that will shape the future of thin film deposition and etching process: 

Application of Bulk CVD SiC Etching Ring in Etching Machine, cvd sic,etching,thin film deposition

Application of Bulk CVD SiC Etching Ring in Etching Machine

Key Features of CVD SiC:

  • Intrinsically Pure Material for Etching and Thin Film Deposition: The CVD process used to create the SiC ring ensures an inherently pure material with minimal impurities. This exceptional purity (99.9995%), combined with its theoretical density, minimizes the risk of contamination during etching and thin film deposition processes. The result is higher-quality films, improved device performance, and increased device yields.

  • Exceptional Plasma Resistance: The Bulk CVD SiC Etching Ring is a wafer carrier exhibiting superior resistance to plasma bombardment, a critical requirement for plasma etching and thin film deposition processes. This durability ensures minimal sputtering and erosion, even under aggressive plasma conditions. This translates to extended component lifespan, reduced particle contamination in etching and thin film deposition, and improved process repeatability.

  • Unlocking New Possibilities in Wafer Energy Delivery: The Bulk CVD SiC Etching Ring presents a unique combination of electrical conductivity (bulk resistivity of less than 0.1 ohm-cm) and compatibility with wafer etching and thin film deposition chambers. This opens up exciting possibilities for innovative wafer energy delivery methods, potentially replacing or augmenting traditional heating techniques. This direct energy transfer could lead to faster heating and cooling rates, shorter process times, and increased throughput. Additionally, the precise control over wafer temperature offered by this method could enable new etching and thin film deposition processing techniques and novel device architectures.

       
   
Property              Si                          CVD SiC           
Density (g/cm³)2.333.21
Band Gap (eV)1.122.3
Thermal Conductivity (W/cm℃)1.55
CTE (× 10⁻⁶/℃)2.64
Elastic Modulus (GPa)150440
Hardness (GPa)11.424.5
Resistance to Wear and CorrosionPoorExcellent
 
Material Properties Comparison: Silicon vs. CVD SiC