The Global C4F6 for Semiconductor Etching Market was valued at US$ 339 Million in 2025 and is projected to reach US$ 1168 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 19.8% during the forecast period. This exceptional growth trajectory is fueled by the relentless drive toward smaller semiconductor process nodes (sub-10nm and below), the mass production of 3D NAND flash memory, and the increasing complexity of logic and DRAM chips, which demand highly selective and precise etching gases.

As the semiconductor industry pushes the boundaries of miniaturization, the role of specialized etching gases like Carbon Tetrafluoride Hexafluoride (C4F6) has become critically important. In this blog, we profile the Top 10 Companies in the C4F6 for Semiconductor Etching Industry—a group of global chemical giants and specialized gas suppliers enabling the next generation of electronic devices.

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🔟 1. Linde plc

Headquarters: Woking, Surrey, United Kingdom (Operational HQ in Guildford, CT, USA)
Key Offering: High-purity C4F6, Etch Gas Blends, On-site Supply Solutions

Linde is a global leader in industrial gases and engineering, serving the semiconductor industry with a comprehensive portfolio of high-purity electronic specialty gases. Their C4F6 is critical for advanced oxide etching applications, particularly in the fabrication of 3D NAND and Logic devices, where high aspect ratio and selectivity are paramount.

Technology & Innovation Initiatives:

• Development of ultra-high purity (>99.99% or 4N) C4F6 grades

• Integrated on-site gas supply models for major semiconductor fabs

• R&D focused on next-generation etch chemistries for sub-5nm nodes

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9️⃣ 2. Kanto Denka Kogyo Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: C4F6 (≥3N and ≥4N purity), Fluorocarbon Gases

Kanto Denka Kogyo is a major Japanese chemical company with a strong focus on fluorine chemistry. It is a key supplier of C4F6 to the Asian semiconductor market, with a reputation for consistent quality and reliability that meets the stringent requirements of leading-edge chip manufacturers.

Technology & Innovation Initiatives:

• Specialization in high-purity fluorine compound synthesis

• Strong supply chain partnerships with fabs in Japan, Korea, and Taiwan

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8️⃣ 3. Air Liquide S.A.

Headquarters: Paris, France
Key Offering: ALIGAL™ C4F6, Advanced Etching Gas Mixtures

Air Liquide is another titan in the industrial gas sector, providing essential materials to the global electronics industry. Its ALIGAL™ C4F6 is engineered for high-performance plasma etching, enabling the creation of intricate features in semiconductor wafers with exceptional precision and control.

Technology & Innovation Initiatives:

• Investment in purification technologies to achieve parts-per-billion impurity levels

• Collaborative development projects with semiconductor equipment OEMs

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7️⃣ 4. Taiyo Nippon Sanso Corporation

Headquarters: Tokyo, Japan
Key Offering: C4F6, NF3, and other electronic specialty gases

Taiyo Nippon Sanso, part of the Mitsubishi Chemical Holdings Group, is a leading supplier of industrial gases in Japan and globally. The company’s electronic materials division provides high-purity C4F6 that is vital for etching silicon dioxide and silicon nitride layers in advanced semiconductor devices.

Technology & Innovation Initiatives:

• Expansion of electronic specialty gas production capacity

• Focus on sustainable manufacturing processes for fluorinated gases

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C4F6 for Semiconductor Etching Market – View in Detailed Research Report

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6️⃣ 5. SK Materials

Headquarters: Jeongeup-si, Jeollabuk-do, South Korea
Key Offering: Ultra-high Purity C4F6, Etching and Cleaning Gases

SK Materials is a South Korean leader in high-purity specialty gases, strategically positioned to serve the world’s largest memory chip manufacturers. The company has made significant investments to secure a strong position in the C4F6 market, which is essential for the 3D NAND flash memory production dominant in the region.

Technology & Innovation Initiatives:

• Aggressive capacity expansion for electronic gases

• Vertical integration to ensure stable supply and cost competitiveness

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5️⃣ 6. FOOSUNG Co., Ltd.

Headquarters: Seoul, South Korea
Key Offering: C4F6, HF, and other electronic chemicals

FOOSUNG is a key South Korean chemical company with a growing portfolio of materials for the electronics industry. Its production of C4F6 supports the domestic and international semiconductor sector, particularly for applications requiring fine patterning and high selectivity during the etch process.

Technology & Innovation Initiatives:

• Strengthening its position in the fluorine-based specialty gas market

• Focus on quality control to meet the exacting standards of semiconductor fabs

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4️⃣ 7. Merck Group

Headquarters: Darmstadt, Germany
Key Offering: C4F6 under the AZ® Electronic Materials portfolio

Merck KGaA, through its Electronics business, is a leading supplier of high-tech materials for the semiconductor industry. While renowned for its lithography materials, Merck also supplies critical etching gases like C4F6, providing integrated materials solutions that enhance overall chip fabrication performance.

Technology & Innovation Initiatives:

• Providing materials solutions that work synergistically (e.g., photoresists and etch gases)

• Investment in R&D for materials supporting extreme ultraviolet (EUV) lithography patterning

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3️⃣ 8. Solvay S.A.

Headquarters: Brussels, Belgium
Key Offering: Specialty Fluorinated Gases, including high-purity C4F6

Solvay is a global leader in advanced materials and specialty chemicals, with deep expertise in fluorine chemistry. The company’s capabilities in producing high-purity fluorinated compounds make it a significant player in the C4F6 market, serving semiconductor manufacturers worldwide.

Technology & Innovation Initiatives:

• Leveraging core fluorine technology platform for electronics applications

• Commitment to developing sustainable and low global warming potential (GWP) alternatives

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2️⃣ 9. Showa Denko K.K. (SDK)

Headquarters: Tokyo, Japan
Key Offering: C4F6, Perfluorocarbon Gases

Showa Denko is a major Japanese chemical company producing a wide range of products, including chemicals for the electronics industry. Its high-purity gases division supplies C4F6 that is used in the plasma etching processes essential for manufacturing state-of-the-art semiconductors.

Technology & Innovation Initiatives:

• Continuous improvement of purification processes for higher yields

• Strengthening logistics to ensure reliable delivery to global customers

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1️⃣ 10. Sinochem Lantian Co., Ltd.

Headquarters: Shanghai, China
Key Offering: Domestic high-purity C4F6

Sinochem Lantian is a leading Chinese company in the fluorine chemical industry. As China rapidly expands its domestic semiconductor manufacturing capacity, companies like Sinochem Lantian are crucial for supplying key raw materials such as C4F6, supporting the region’s strategic push for self-sufficiency in the chip supply chain.

Technology & Innovation Initiatives:

• Focus on import substitution for critical electronic chemicals

• Investment in R&D to achieve purity levels competitive with international suppliers

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C4F6 for Semiconductor Etching Market – View in Detailed Research Report

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🔬 Outlook: The Future of Semiconductor Etching Demands Precision and Purity

The C4F6 market is at the heart of the semiconductor industry’s evolution. As chip architectures become three-dimensional and feature sizes shrink to atomic scales, the requirements for etching gases become exponentially more demanding. The shift toward 3D NAND, Gate-All-Around (GAA) transistors, and advanced DRAM ensures that C4F6 will remain a critical enabler for years to come.

📈 Key Trends Shaping the Market:

• Transition to sub-3nm process nodes requiring ultra-selective etch processes

• Exponential growth in 3D NAND layer counts (exceeding 500 layers)

• Increasing demand for high-purity (≥4N) C4F6 to minimize wafer defects

• Geopolitical factors driving regional supply chain development, particularly in China

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C4F6 for Semiconductor Etching Market – View in Detailed Research Report

The companies listed above are not only supplying a critical chemical—they are providing the foundational materials that enable the digital transformation of the global economy.