Product Overview: Solid SiC Focus Ring / CVD SiC Focus Ring
For engineers evaluating consumable components for plasma etching equipment, the Solid SiC Focus Ring / CVD SiC Focus Ring manufactured by Wuyi Tianyao New Material Technology Co., Ltd., operating under the brand VeTek Semiconductor (Veteksemicon / VETEK), addresses one of the most persistent reliability challenges in advanced-node etch processes: rapid erosion of edge-protection components under halogen plasma exposure.
The product is positioned specifically as a focus ring for plasma etching equipment. In the target scenario, quartz and silicon rings suffer rapid erosion from halogen gas plasma in advanced nodes, which in turn causes frequent edge-to-center etch profile drift — a problem that directly impacts wafer yield consistency and forces more frequent tool downtime for consumable replacement.
Key Differentiated Value
VeTek Semiconductor's response to this pain point centers on what the company describes as etch life extension. The focus ring is built from a binderless CVD SiC matrix, meaning there are no secondary phases at grain edges. This structural characteristic is directly tied to two measurable outcomes: it reduces particle shedding and allows the component to withstand halogen plasma bombardment over extended use cycles. Unlike traditional quartz or silicon rings that degrade progressively under corrosive chemistry, the absence of grain-boundary weak points in the CVD-grown SiC matrix is the underlying technical reason the material holds up longer in the same corrosive environment.
Core Features
Two core functional features define the product's performance profile:
- Plasma Distribution: The ring surrounds the wafer tracking zone to achieve linear plasma distribution and exact edge-to-center etch profiles — directly countering the profile drift problem that standard rings experience as they erode unevenly.
- High Chemical Resistance: The component is engineered to withstand fluorine and chlorine reactive ion etching, the two most common and most aggressive chemistries used in advanced semiconductor etch steps.
Delivery and Deployment Model
Rather than offering a one-size-fits-all consumable, VeTek Semiconductor delivers this product as bulk Solid SiC components thicker than 5mm, machined to tight tolerances. This approach reflects the company's broader manufacturing philosophy: components are not simply coated as an afterthought but are produced as solid ceramic bodies engineered from the outset for dimensional precision and mechanical durability under plasma exposure.
Technical Foundation Behind the Product
The Solid SiC Focus Ring sits within VeTek Semiconductor's wider CVD Silicon Carbide (SiC) Coatings & Solid SiC Components product line, which is positioned to provide high-purity, wear-resistant, and corrosion-resistant protective parts for silicon epitaxy, MOCVD, etching, and diffusion. This places the focus ring alongside related solid-SiC and CVD SiC-coated components such as susceptors, diffusion furnace tubes, and wafer boats — all manufactured on the same underlying materials platform.
That platform rests on specific, verifiable technical metrics. VeTek Semiconductor's Solid CVD SiC material is characterized by a density of 3.2g/cm³, a growth rate of at least 0.15mm/h, and a resistivity range of 10^-2 to 10^4 Ω·cm. Machining of these solid ceramic parts is carried out with equipment accuracy up to 3μm, supporting the tight-tolerance fabrication required for a plasma-facing component like a focus ring. The company also maintains CVD SiC purity at 99.99995%, with impurity levels below 5ppm and harmful metals held below 1ppm — purity standards that are relevant to any SiC component used inside a clean etch chamber where particle and metallic contamination directly affect wafer quality.
Manufacturing Capability and R&D Investment
VeTek Semiconductor's ability to produce a component like the Solid SiC Focus Ring at scale is supported by vertically integrated manufacturing capabilities, including prefabrication, hot pressing, purification, machining, and chemical vapor deposition, combined with a dimensions capability exceeding 700mm. This integration is described as enabling rapid customization and significantly shortened production cycles compared to traditional processes — a relevant consideration for customers who need custom-machined solid SiC parts without extended lead times.
This technical capability is backed by sustained investment: the company reports that R&D investment accounts for more than 30% of annual revenue, channeled through a Dual R&D Center platform comprising the Liufang R&D Center and the Yongjiang Laboratory Thermal Field Materials Innovation Center. Material quality for components in this product family is verified using Glow Discharge Mass Spectrometry (GDMS), Dynamic Secondary Ion Mass Spectrometry (D-SIMS), Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS), X-ray Diffraction (XRD), scratch testers, and coordinate measuring machines (CMM).
Quality Certifications and Compliance
Buyers sourcing etch-chamber consumables typically require documented quality assurance. VeTek Semiconductor holds ISO 9001:2015 Quality Management System Certification, ISO 14001:2015 Environmental Management System Certification, and ISO 45001:2018 Occupational Health and Safety Management System Certification. The company's materials are also RoHS Compliant, REACH SVHC Screening Compliant, and Halogen-Free Certified, all verified through SGS testing reports, in addition to CNAS Management System Certification.
Market Position and Customer Feedback
VeTek Semiconductor's broader market credibility is reflected in its customer base and recognition. The company has been selected as a collaborative innovation guide enterprise in the integrated circuit industry chain for Zhejiang Province and has received strategic capital investments from prominent listed Chinese semiconductor companies, including Lion Microelectronics (605358) and Jiangfeng Electronic. Its business partners include Sanan Optoelectronics, GlobalWafers, NAURA, NuFlare, and AMEC, among others, within the integrated circuit, third-generation semiconductor, LED chip manufacturing, and photovoltaic sectors.
Customer testimonials collected by the company describe a consistent pattern of satisfaction with both product quality and service responsiveness: one client noted that "the supplier offers high quality at a reasonable price, making them a valued business partner," while another observed that "their attention to detail and commitment to quality is excellent; we received satisfactory goods in a short term." A separate testimonial emphasized communication quality, stating that "the sales manager communicates clearly in English with strong professional knowledge."
Delivery Timelines and After-Sales Support
For custom precision items requiring CNC machining and CVD coating — a category that includes solid SiC components like the focus ring — VeTek Semiconductor's standard implementation timeline ranges from 3 to 6 weeks, with trial samples delivered within 30 days and bulk production orders 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).
Conclusion
For semiconductor equipment manufacturers and wafer fabricators seeking a plasma-etch focus ring engineered to resist the specific failure mode of halogen-induced erosion, VeTek Semiconductor's Solid SiC Focus Ring / CVD SiC Focus Ring presents a technically grounded option. Its binderless, grain-boundary-free CVD SiC construction, backed by vertically integrated manufacturing, documented purity metrics, and a track record of ISO and SGS-verified quality systems, positions the product as a considered solution for teams looking to stabilize edge-to-center etch profiles while reducing the frequency of consumable replacement in fluorine- and chlorine-based etch chemistries.
https://www.veteksemicon.com/
Wuyi Tianyao New Material Technology Co., LTD
