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VeTek Semiconductor Technology Co., Ltd.
VeTek semiconductor Technology Co., LTD., founded in 2016, is a leading provider of advanced coating materials for the semiconductor industry. Our founder, a former expert from the Chinese Academy of Sciences' Institute of Materials, established the company with a focus on developing cutting-edge solutions for the industry.

Our main product offerings include CVD silicon carbide (SiC) coatings, tantalum carbide (TaC) coatings, bulk SiC, SiC powders, and high-purity SiC materials. The main products are SiC coated graphite susceptor, preheat rings, TaC coated diversion ring, halfmoon parts, etc., the purity is below 5ppm, can meet customer requirements.
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VeTek is the professional of the Silicon Carbide Coating, Tantalum Carbide Coating, Special Graphite manufacturer and supplier in china. You can rest assured to buy the products from our factory and we will offer you the quality after-sale service.

News

  • What is a PECVD graphite boat ?
    2025-03-04
    What is a PECVD graphite boat ?

    The core material of PECVD graphite boat is high-purity isotropic graphite material (purity is usually ≥99.999%), which has excellent electrical conductivity, thermal conductivity and density. Compared with ordinary graphite boats, PECVD graphite boats have many physical and chemical property advantages and are mainly used in the semiconductor and photovoltaic industries, especially in PECVD and CVD processes.

  • How Porous Graphite Enhances Silicon Carbide Crystal Growth?
    2025-01-09
    How Porous Graphite Enhances Silicon Carbide Crystal Growth?

    This blog takes "How Porous Graphite Enhances Silicon Carbide Crystal Growth?" as its theme, and discusses in detail Porous Graphite Key Takeaways, The Role of Silicon Carbide in Semiconductor Technology, Unique Properties of Porous Graphite, How Porous Graphite Optimizes the PVT Process, Innovations in Porous Graphite Materials and other angles.

  • CVD Technology Innovation Behind the Nobel Prize
    2025-01-02
    CVD Technology Innovation Behind the Nobel Prize

    This blog discusses the specific applications of artificial intelligence in the field of CVD from two aspects: The Significance and Challenges of Chemical Vapor Deposition (CVD) Technology in Physics and CVD Technology and Machine Learning.

  • What is SiC-coated graphite susceptor ?
    2024-12-27
    What is SiC-coated graphite susceptor ?

    This blog takes "What is SiC-coated graphite susceptor?" as its theme, and discusses it from the perspectives of Epitaxial layer and its equipment, Importance of SiC coated graphite susceptor in CVD equipment, SiC Coating technology, Market competition and Vetek Semiconductor’s technological innovation.

  • How to prepare CVD TaC coating? - Veteksemicon
    2024-08-23
    How to prepare CVD TaC coating? - Veteksemicon

    This article introduces the product characteristics of CVD TaC coating, the process of preparing CVD TaC coating using the CVD method, and the basic method for surface morphology detection of the prepared CVD TaC coating.

  • What is Tantalum Carbide TaC Coating? - Veteksemicon
    2024-08-22
    What is Tantalum Carbide TaC Coating? - Veteksemicon

    This article introduces the product characteristics of TaC coating, the specific process of preparing TaC coating products using CVD technology, introduces Veteksemicon's most popular TaC coating, and briefly analyzes the reasons for choosing Veteksemicon.

  • What is TaC Coating ? - VeTek Semiconductor
    2024-08-15
    What is TaC Coating ? - VeTek Semiconductor

    This article mainly introduces the product types, product characteristics and main functions of TaC Coating in semiconductor processing, and makes a comprehensive analysis and interpretation of TaC Coating products as a whole.

  • Why is SiC PVT Crystal Growth Stable in Mass Production?
    2025-12-29
    Why is SiC PVT Crystal Growth Stable in Mass Production?

    For industrial-scale production of silicon carbide substrates, the success of a single growth run is not the end goal. The real challenge lies in ensuring that crystals grown across different batches, tools, and time periods maintain a high level of consistency and repeatability in quality. In this context, the role of tantalum carbide (TaC) coating goes beyond basic protection—it becomes a key factor in stabilizing the process window and safeguarding product yield.

  • How Does a Tantalum Carbide(TaC) Coating Achieve Long-Term Service Under Extreme Thermal Cycling?
    2025-12-22
    How Does a Tantalum Carbide(TaC) Coating Achieve Long-Term Service Under Extreme Thermal Cycling?

    ​Silicon carbide (SiC) PVT growth involves severe thermal cycling (room temperature above 2200 ℃). The enormous thermal stress generated between the coating and the graphite substrate due to the mismatch in coefficients of thermal expansion (CTE) is the core challenge determining coating lifetime and application reliability.

  • What Makes a High-Purity Quartz Bath Essential for Advanced Semiconductor Processes
    2025-12-22
    What Makes a High-Purity Quartz Bath Essential for Advanced Semiconductor Processes

    In semiconductor, solar cell, and microelectronics manufacturing, precision wet processing like wafer cleaning, etching, and surface preparation demand materials and equipment that ensure ultra-high purity, thermal stability and corrosion resistance. A High-Purity Quartz Bath provides these attributes with synthetic fused quartz construction, making it a cornerstone of modern fabrication environments.

  • How Do Tantalum Carbide Coatings Stabilize the PVT Thermal Field?
    2025-12-17
    How Do Tantalum Carbide Coatings Stabilize the PVT Thermal Field?

    ​In the silicon carbide (SiC) PVT crystal growth process, the stability and uniformity of the thermal field directly determine the crystal growth rate, defect density, and material uniformity. As the system boundary, thermal-field components exhibit surface thermophysical properties whose slight fluctuations are dramatically amplified under high-temperature conditions, ultimately leading to instability at the growth interface.

  • Why Silicon carbide(SiC) PVT Crystal Growth Cannot Do Without Tantalum Carbide Coatings(TaC)?
    2025-12-13
    Why Silicon carbide(SiC) PVT Crystal Growth Cannot Do Without Tantalum Carbide Coatings(TaC)?

    In the process of growing silicon carbide (SiC) crystals via the Physical Vapor Transport (PVT) method, the extreme high temperature of 2000–2500 °C is a “double-edged sword” — while it drives the sublimation and transport of source materials, it also dramatically intensifies impurity release from all materials within the thermal field system, especially trace metallic elements contained in conventional graphite hot-zone components. Once these impurities enter the growth interface, they will directly damage the core quality of the crystal. This is the fundamental reason why tantalum carbide (TaC) coatings have become a “mandatory option” rather than an “optional choice” for PVT crystal growth.

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