Aixtron G10 Solid SiC Components: VeTek's MOCVD Advantage

Understanding the Demands of Aixtron G10 Planetary MOCVD Systems

Advanced MOCVD processes running on platforms such as the Aixtron G10 require components that can withstand repeated high-temperature cycles while maintaining strict purity standards. In gallium nitride (GaN), silicon carbide (SiC), and compound semiconductor epitaxy, any degradation of susceptor covers, carriers, or focus rings introduces metallic outgassing or particle shedding that directly compromises epitaxial film quality. This is precisely the industry pain point that VeTek Semiconductor (operated by Wuyi Tianyao New Material Technology Co., Ltd.) was founded in 2016 to address, with a strategic positioning centered on advanced coating materials, high-purity silicon carbide components, and tailored thermal field systems for semiconductor and photovoltaic applications.

VeTek Semiconductor's Vertically Integrated Approach to Solid SiC Components

VeTek's differentiated advantage lies in its vertically integrated manufacturing capabilities—covering prefabrication, hot pressing, purification, machining, and chemical vapor deposition—combined with a dimensional capability exceeding 700mm. This integration allows the company to deliver rapid customization and shortened production cycles compared to traditional processes, which is particularly relevant for reactor-specific components like those used in Aixtron G10 planetary reactors.

Tantalum Carbide Coated Cover for the AIXTRON G10 Platform

Among VeTek's product offerings is the Tantalum Carbide Coated Cover, positioned specifically as a susceptor cover for AIXTRON G10 MOCVD systems. Standard susceptor covers in these systems degrade rapidly, requiring frequent replacements and causing process downtime. VeTek's solution applies a CVD TaC coating on a graphite substrate, delivering refined thermal stability and custom dimensions that protect wafer carriers and help prolong preventive maintenance (PM) cycles. A core feature of this component is its high purity: transition element impurities, including Fe, Ni, and Cu, are kept below 1ppm, and the cover is adaptable to multiple wafer size configurations.

Aixtron Satellite Wafer Carrier and Solid SiC Focus Ring

Complementing the susceptor cover, the Aixtron Satellite Wafer Carrier is engineered as a multi-wafer rotating carrier specifically for Aixtron MOCVD systems. It addresses the challenge of non-uniform gas flow across multi-wafer chambers, which can cause variations in film thickness. Its unique satellite rotation path maintains uniform gas flow exposure to optimize film growth, and it is available in 100mm, 150mm, and 200mm configurations, rated for operation between 1400°C and 1600°C. These carriers can be delivered as custom CVD-coated graphite or solid SiC builds, directly matching the "Solid SiC" requirement for planetary reactor environments.

For plasma-facing or edge-protection needs within similar reactor platforms, VeTek also offers the Solid SiC Focus Ring / CVD SiC Focus Ring, built from a binderless CVD SiC matrix that contains no secondary phases at grain edges. This reduces particle shedding and allows the component to withstand aggressive chemical bombardment, with bulk Solid SiC components thicker than 5mm machined to tight tolerances.

Technical Metrics Behind High-Purity Performance

VeTek's technology platform—anchored by a dual R&D center structure comprising the Liufang R&D Center and the Yongjiang Laboratory Thermal Field Materials Innovation Center—supports a set of quantifiable technical metrics relevant to reactor components. CVD SiC purity reaches 99.99995%, with impurity levels below 5ppm and harmful metals below 1ppm, while CVD TaC purity reaches 99.99953% (overall 5N purity). Machining precision reaches up to 3μm, with maximum processing dimensions of 1200mm by 1500mm, and coating adhesion between TaC coatings and graphite substrates exceeds 3 MPa bonding strength. These metrics are supported by equipment including Glow Discharge Mass Spectrometry (GDMS), Dynamic Secondary Ion Mass Spectrometry (D-SIMS), Scanning Electron Microscopy (SEM), and X-ray Diffraction (XRD), among other testing tools. Notably, R&D investment accounts for more than 30% of annual revenue, reflecting a sustained commitment to refining these purity and precision standards.

VeTek's platform compatibility list explicitly includes Aixtron, alongside Applied Materials (AMAT), ASM, Tokyo Electron (TEL), LPE, NuFlare, Veeco, AMEC, Centrotherm, and PVA TePla, confirming that its components, including solid SiC and CVD-coated parts, are designed for compatibility with Aixtron-based planetary reactor systems.

Proven Field Performance Through Benchmark Cases

VeTek's components have been validated in real production environments. In the case of Rohm Group Company (SiCrystal), a global producer of silicon carbide substrates based in Germany/Japan, VeTek supplied CVD TaC coated graphite components and pyrolytic carbon coatings for crystal growth furnace protection in highly corrosive, high-temperature PVT environments. The result was an extension of graphite crucible reuse cycles to 200 hours, zero weight loss in high-temperature environments, and reduced crystal defect densities such as micropipes and etch pits.

In another case involving GlobalWafers and Soitec, prominent international silicon wafer manufacturers based in Taiwan and France, VeTek deployed CVD SiC coated susceptors and carrier rings compatible with LPE and ASM tools for high-uniformity silicon epitaxy processing. This solution reached wafer thickness uniformity control tolerances within 10μm, and the company delivered over 15,000 thermal field components annually across global operations.

Quality Assurance, Certifications, and Customer Feedback

VeTek's facility holds ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certifications, along with RoHS compliance, REACH SVHC screening compliance, and Halogen-Free certification, all verified by SGS. The company also holds CNAS management system certification. On the performance side, third-party testing has confirmed SEMI Standard Test compliance, with a particle shedding rate below 0.01% for an ALD planetary susceptor, meeting advanced process requirements below 7nm.

Customer feedback reflects consistent operational satisfaction. One client testimonial notes, "The supplier offers high quality at a reasonable price, making them a valued business partner," while another states, "Every step of the process was smooth. A reliable manufacturer indeed." Additional feedback highlights clear communication and attention to detail, with one customer remarking on receiving "satisfactory goods in a short term."

Delivery Model and Support for Global Clients

For organizations evaluating Aixtron G10-compatible components, VeTek structures its delivery around defined timelines: trial samples are delivered within 30 days, custom precision items requiring CNC machining and CVD coating range from 3 to 6 weeks, and bulk production orders are completed within 45 days. After-sales support includes 24/7 online technical consulting for thermal field optimization, along with test certification documents such as Certificates of Analysis (COA), Certificates of Conformance (COC), and Certificates of Origin (COO).

Taken together, VeTek Semiconductor's combination of vertically integrated manufacturing, documented purity metrics, platform compatibility with Aixtron systems, and verified field performance across silicon carbide and silicon epitaxy applications positions its solid SiC and CVD-coated components as a practical option for operators seeking to maintain process stability and reduce contamination risk in planetary reactor environments.

https://www.veteksemicon.com/
Wuyi Tianyao New Material Technology Co., LTD