Information
71 Gaejeongsaneopdanji-ro, Miyang-myeon, Anseong-si, Gyeonggi-do, South Korea
+82 31-677-0276
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Overview
- Summary
- TCK Co., Ltd. is a specialized functional carbon material company established in 1996 as a joint venture between Japan's Tokai Carbon Co., Ltd. and Korea's KC Co., Ltd.. The company supplies core materials and components for the semiconductor, LED, and solar power industries. It possesses Korea's only integrated production system for high-purity graphite products. Recently, it has transformed into a specialized company that independently develops and mass-produces functional ceramic materials for semiconductor process components.TCK Co., Ltd. is a specialized functional carbon material company established in 1996 as a joint venture between Japan's Tokai Carbon Co., Ltd. and Korea's KC Co., Ltd.. The company supplies core materials and components for the semiconductor, LED, and solar power industries. It possesses Korea's only integrated production system for high-purity graphite products. Recently, it has transformed into a specialized company that independently develops and mass-produces functional ceramic materials for semiconductor process components.
- Key Products/Technologies
- **Graphite Components**: High-purity graphite components for Crystal Grower equipment used in the production of semiconductor silicon wafers and solar cell wafers. These are high-temperature resistant, high-purity graphite parts including Outer, Hotzone, and Heater elements. Specific applications include high-purity graphite Hot Zone components for CZ processes (Heater, Crucible, Gr Shield, Ring Reflector, Wafer Holder, etc.) and plates for semiconductor equipment. Key features include heat resistance, proportional heat and rigidity, high thermal conductivity, lower expansion than metal, and high chemical resistance.**Graphite Components**: High-purity graphite components for Crystal Grower equipment used in the production of semiconductor silicon wafers and solar cell wafers. These are high-temperature resistant, high-purity graphite parts including Outer, Hotzone, and Heater elements. Specific applications include high-purity graphite Hot Zone components for CZ processes (Heater, Crucible, Gr Shield, Ring Reflector, Wafer Holder, etc.) and plates for semiconductor equipment. Key features include heat resistance, proportional heat and rigidity, high thermal conductivity, lower expansion than metal, and high chemical resistance.
- **SiC/TaC Coated Components**: Ceramic jigs for semiconductor equipment (Focus Ring, Shower Head, Dummy Wafer), SiC single crystal growth, Epi, UVLED equipment parts, and Si single crystal growth components. Characterized by ultra-high purity, excellent plasma resistance, superior high-temperature stability (suitable for high-temperature processes), anisotropy, and chemical resistance. Usable in GaN and GaAs atmospheres, offering ultra-high purity and no outgassing.**SiC/TaC Coated Components**: Ceramic jigs for semiconductor equipment (Focus Ring, Shower Head, Dummy Wafer), SiC single crystal growth, Epi, UVLED equipment parts, and Si single crystal growth components. Characterized by ultra-high purity, excellent plasma resistance, superior high-temperature stability (suitable for high-temperature processes), anisotropy, and chemical resistance. Usable in GaN and GaAs atmospheres, offering ultra-high purity and no outgassing.
- **CVD SiC Components**: Parts produced by the CVD method, specifically used to extend the lifespan and improve the yield of parts in Dry Etchers and Diffusion Chambers. Applications include SiC Rings, SiC Shower Heads, and SiC Dummy Wafers. Features include no thermal deformation, no outgassing, longer lifespan compared to Si, and excellent chemical resistance. The SiC Ring is a critical consumable in semiconductor etching processes, supporting wafers and withstanding high-frequency plasma. Solid SiC components are manufactured by CVD to a thickness of several millimeters. Also includes Wafer Carriers for LED chip production and Susceptors for semiconductor ALD equipment. The Solid SiC segment accounts for approximately 79% of the company's total revenue, indicating its core business area.**CVD SiC Components**: Parts produced by the CVD method, specifically used to extend the lifespan and improve the yield of parts in Dry Etchers and Diffusion Chambers. Applications include SiC Rings, SiC Shower Heads, and SiC Dummy Wafers. Features include no thermal deformation, no outgassing, longer lifespan compared to Si, and excellent chemical resistance. The SiC Ring is a critical consumable in semiconductor etching processes, supporting wafers and withstanding high-frequency plasma. Solid SiC components are manufactured by CVD to a thickness of several millimeters. Also includes Wafer Carriers for LED chip production and Susceptors for semiconductor ALD equipment. The Solid SiC segment accounts for approximately 79% of the company's total revenue, indicating its core business area.
- Core Advantages
- **Unrivaled Technology and Market Share**: TCK holds over 70% of the global market share in the CVD SiC sector, demonstrating a leading position. The company achieved the world's first mass production of Solid SiC Rings, securing a monopolistic status.**Unrivaled Technology and Market Share**: TCK holds over 70% of the global market share in the CVD SiC sector, demonstrating a leading position. The company achieved the world's first mass production of Solid SiC Rings, securing a monopolistic status.
- **Vertically Integrated Production System**: Possesses Korea's only integrated production system for high-purity graphite products, covering processing, purification, and CVD SiC coating processes. Benefits from a stable supply of high-quality graphite raw materials from its parent company, Tokai Carbon of Japan.**Vertically Integrated Production System**: Possesses Korea's only integrated production system for high-purity graphite products, covering processing, purification, and CVD SiC coating processes. Benefits from a stable supply of high-quality graphite raw materials from its parent company, Tokai Carbon of Japan.
- **Innovative New Material Development Capabilities**: Demonstrates the ability to independently develop and mass-produce functional ceramic materials for semiconductor process components. Strategic R&D focus on SiC Ring development has led to successful commercialization.**Innovative New Material Development Capabilities**: Demonstrates the ability to independently develop and mass-produce functional ceramic materials for semiconductor process components. Strategic R&D focus on SiC Ring development has led to successful commercialization.
- **Strong Relationships with Global Customers**: Maintains strong ties with leading global equipment manufacturers and semiconductor companies such as Lam Research, Applied Materials, Samsung Electronics, and SK Hynix. Its expertise lies in thoroughly responding to customer demands and successfully commercializing products.**Strong Relationships with Global Customers**: Maintains strong ties with leading global equipment manufacturers and semiconductor companies such as Lam Research, Applied Materials, Samsung Electronics, and SK Hynix. Its expertise lies in thoroughly responding to customer demands and successfully commercializing products.
- **Patent-Based Technology Protection**: Recognized for the validity of its SiC ring manufacturing method patents and has won patent invalidation lawsuits, securing its technological superiority. The validity of its 'Thermal Expansion Coefficient Patent' and 'Layer Patent' has been officially acknowledged.**Patent-Based Technology Protection**: Recognized for the validity of its SiC ring manufacturing method patents and has won patent invalidation lawsuits, securing its technological superiority. The validity of its 'Thermal Expansion Coefficient Patent' and 'Layer Patent' has been officially acknowledged.
- **Financial Stability**: Maintains a debt-free management strategy and consistently achieves high operating profit margins, indicating a robust financial structure. Ensures price competitiveness through consistently high yields and an efficient production system.**Financial Stability**: Maintains a debt-free management strategy and consistently achieves high operating profit margins, indicating a robust financial structure. Ensures price competitiveness through consistently high yields and an efficient production system.
- Target Industrie
- Semiconductor Industry (etching processes, Crystal Grower equipment, ALD equipment, Diffusion Chambers, and other semiconductor manufacturing processes)Semiconductor Industry (etching processes, Crystal Grower equipment, ALD equipment, Diffusion Chambers, and other semiconductor manufacturing processes)
- LED Industry (MOCVD equipment, LED Chip production Wafer Carriers, etc.)LED Industry (MOCVD equipment, LED Chip production Wafer Carriers, etc.)
- Solar Power Industry (Crystal Grower equipment, silicon wafer production for solar cells)Solar Power Industry (Crystal Grower equipment, silicon wafer production for solar cells)
- Secondary Battery Industry (research and development of energy materials, silicon anode materials, as part of efforts to secure new growth engines)Secondary Battery Industry (research and development of energy materials, silicon anode materials, as part of efforts to secure new growth engines)
- Major Markets
- South Korea, ChinaSouth Korea, China
- United States (location of key customers such as Lam Research, Applied Materials)United States (location of key customers such as Lam Research, Applied Materials)
- Certifications/Patents
- **Patents**: Recognition of the validity of patents related to SiC ring manufacturing methods. Won and settled patent infringement and damages lawsuits against YMC and YCOM regarding SiC rings. Successfully defended its proprietary SiC ring manufacturing technology by winning a patent invalidation lawsuit against DS Techno. Officially recognized for the validity of its 'Thermal Expansion Coefficient Patent' and 'Layer Patent'. Patent No. 1866869 pertains to SiC materials and SiC composite materials where the X-ray diffraction peak intensity ratio (I) is less than 1.5.**Patents**: Recognition of the validity of patents related to SiC ring manufacturing methods. Won and settled patent infringement and damages lawsuits against YMC and YCOM regarding SiC rings. Successfully defended its proprietary SiC ring manufacturing technology by winning a patent invalidation lawsuit against DS Techno. Officially recognized for the validity of its 'Thermal Expansion Coefficient Patent' and 'Layer Patent'. Patent No. 1866869 pertains to SiC materials and SiC composite materials where the X-ray diffraction peak intensity ratio (I) is less than 1.5.
- **Certifications and Awards**: ISO9001 certification (1998). Received the Prime Minister's Award (for industrial and commercial promotion, 2001), selected as a Promising Small and Medium-sized Enterprise (Gyeonggi Province, 2001), and awarded the New Technology and New Management Grand Prize (Korea Herald, 2004). Numerous awards including the Minister of Trade, Industry and Energy Award for Korea Technology Grand Prize (2015), Samsung Electronics Innovation Excellence Partner Award (2016), and Prime Minister's Exemplary Taxpayer Award (2016). Received Applied Materials Supplier Aftermarket Collaboration Award (2016) and Accelerated Growth and Performance Award (2017). Awarded Lam Research Supplier Excellence Award (2017), Best Supplier Award (2021), and NPI Performance Excellence Award (2024). Received Samsung Electronics Best Contribution Award (2018, 2019). Honored with the SEMI INNOVATION AWARD (2020) and selected as an Exemplary Taxpayer by Gyeonggi Province (2020). Awarded the 100 Million Dollar Export Tower on Trade Day (2021). Received an Advanced Technology/Product Confirmation Letter from the Ministry of Trade, Industry and Energy (2024). Awarded SK Siltron Best Partner (2025) and TEL Excellent Achievement (2025). Selected as a Good Job Company by Anseong City (2024).**Certifications and Awards**: ISO9001 certification (1998). Received the Prime Minister's Award (for industrial and commercial promotion, 2001), selected as a Promising Small and Medium-sized Enterprise (Gyeonggi Province, 2001), and awarded the New Technology and New Management Grand Prize (Korea Herald, 2004). Numerous awards including the Minister of Trade, Industry and Energy Award for Korea Technology Grand Prize (2015), Samsung Electronics Innovation Excellence Partner Award (2016), and Prime Minister's Exemplary Taxpayer Award (2016). Received Applied Materials Supplier Aftermarket Collaboration Award (2016) and Accelerated Growth and Performance Award (2017). Awarded Lam Research Supplier Excellence Award (2017), Best Supplier Award (2021), and NPI Performance Excellence Award (2024). Received Samsung Electronics Best Contribution Award (2018, 2019). Honored with the SEMI INNOVATION AWARD (2020) and selected as an Exemplary Taxpayer by Gyeonggi Province (2020). Awarded the 100 Million Dollar Export Tower on Trade Day (2021). Received an Advanced Technology/Product Confirmation Letter from the Ministry of Trade, Industry and Energy (2024). Awarded SK Siltron Best Partner (2025) and TEL Excellent Achievement (2025). Selected as a Good Job Company by Anseong City (2024).
Introduction
Location
71 Gaejeongsaneopdanji-ro, Miyang-myeon, Anseong-si, Gyeonggi-do, South Korea
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