The Global Diazo Film Market was valued at USD 324.8 Million in 2022 and is projected to reach USD 421.5 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 3.2% during the forecast period (2022–2030). This growth is primarily driven by the expanding electronics manufacturing sector, particularly in the Asia-Pacific region, and the consistent demand for high-precision photoresist films in Printed Circuit Board (PCB) fabrication.

As the global electronics industry continues its robust expansion with demand for miniaturized and high-density PCBs, the spotlight is on the key material suppliers who are driving innovation, quality control, and specialized applications. In this blog, we profile the Top 10 Companies in the Diazo Film Industry—a mix of chemical giants, imaging specialists, and niche manufacturers shaping the future of PCB production technologies.

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🔟 1. DuPont de Nemours, Inc.

Headquarters: Wilmington, Delaware, USA
Key Offering: DuPont RISTON dry film photoresists, Diazo Film Sheets

DuPont is a global leader in advanced materials and a cornerstone supplier to the PCB industry. Its RISTON product line represents one of the most recognized and widely used dry film photoresist systems globally, known for superior resolution, thermal stability, and chemical resistance properties.

Technological Initiatives:

• Development of LDI (Laser Direct Imaging) compatible films

• Development of high-resolution films for HDI (High-Density Interconnect) applications

• Investment in next-generation photoresist technologies for IC substrate manufacturing

Download FREE Sample Report: Diazo Film Market – View in Detailed Research Report

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9️⃣ 2. Fujifilm Corporation

Headquarters: Tokyo, Japan
Key Offering: FLEXR dry film photoresists, Diazo-based imaging films

Fujifilm leverages its deep expertise in imaging and chemical technologies to produce high-performance dry film photoresists. The company serves major electronics manufacturers across Asia, Europe, and North America with films engineered for various PCB applications from standard to advanced packaging.

Technological Initiatives:

• Expansion of environmentally friendly photoresist products

• Development of ultra-thin films for semi-additive processes

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8️⃣ 3. Folex AG

Headquarters: Pratteln, Switzerland
Key Offering: Dry film photoresists, Diazo sensitized films

Folex AG is a leading European manufacturer of imaging films and specialty chemicals for the PCB industry. The company offers a comprehensive portfolio of diazo-based photoresist films catering to both conventional UV and advanced LDI exposure systems.

Technological Initiatives:

• Specialization in films for flexible and rigid-flex PCBs

• Continuous R&D for improved exposure latitude and development characteristics

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7️⃣ 4. SIHL AG

Headquarters: Rüschlikon, Switzerland
Key Offering: Diazo photoresist films, Imaging materials

SIHL AG is a Swiss specialty chemicals company with a strong focus on imaging technologies. The company produces high-quality diazo films optimized for the demanding requirements of modern PCB fabrication processes.

Technological Initiatives:

• Development of specialty films for specific PCB manufacturing challenges

• Customized film solutions for specialized applications

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6️⃣ 5. GMP Co., Ltd.

Headquarters: Seoul, South Korea
Key Offering: GMP dry film photoresists, Diazo-based films

GMP is a prominent South Korean manufacturer of specialty chemicals and electronic materials. The company supplies diazo photoresist films to the thriving domestic electronics industry and export markets.

Technological Initiatives:

• Focus on high-quality films for fine line PCB production

• Integration of quality control systems to ensure batch-to-batch consistency

Download FREE Sample Report: Diazo Film Market – View in Detailed Research Report

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5️⃣ 6. SOMAR Corporation

Headquarters: Tokyo, Japan
Key Offering: SOMAR dry film photoresists, Diazo films

SOMAR Corporation is a Japanese specialty chemicals company with significant expertise in photosensitive materials. The company manufactures diazo-based dry film photoresists used in various PCB manufacturing applications.

Technological Initiatives:

• Development of films with enhanced adhesion properties

• Development of photoresists for advanced packaging applications

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4️⃣ 7. YAN TIN CHEMICALS LTD.

Headquarters: Guangdong, China
Key Offering: Diazo photoresist films, PCB imaging materials

YAN TIN CHEMICALS is a significant Chinese manufacturer of electronic chemicals and materials. The company produces diazo films for the domestic PCB manufacturing sector, which represents one of the world’s largest PCB production bases.

Technological Initiatives:

• Development of cost-effective film solutions for high-volume PCB production

• Expansion of production capacity to meet growing domestic demand

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3️⃣ 8. Hitachi Chemical Company (Part of Showa Denko Materials)

Headquarters: Tokyo, Japan
Key Offering: Dry film photoresists, Diazo sensitized films

Hitachi Chemical, now integrated into Showa Denko Materials, has been a longstanding supplier of electronic materials, including diazo-based photoresists for PCB manufacturing.

Technological Initiatives:

• Development of multi-functional photoresist films

• Integration of advanced quality management systems throughout the manufacturing process

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2️⃣ 9. Koloman Handler AG

Headquarters: Leoben, Austria
Key Offering: Specialty diazo films, Photoresist materials

Koloman Handler AG is an Austrian specialty chemicals company with expertise in imaging materials. The company produces diazo films for specialized PCB manufacturing applications.

Technological Initiatives:

• Development of films for high-temperature and demanding PCB fabrication processes

• Custom film development for specific customer requirements

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1️⃣ 10. Asahi Kasei Corporation

Headquarters: Tokyo, Japan
Key Offering: Dry film photoresists, Electronic chemical products

Asahi Kasei is a diversified Japanese chemical company with a significant presence in electronic materials. The company supplies diazo photoresist films to the global PCB manufacturing industry.

Technological Initiatives:

• Development of films compatible with various plating and etching chemistries

Get Full Report Here: Diazo Film Market – View in Detailed Research Report

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🌍 Outlook: The Future of Diazo Film Technology in PCB Manufacturing

The diazo film market is undergoing a technological evolution. While traditional films continue to serve standard PCB applications effectively, the industry is increasingly focused on developing advanced films capable of meeting the stringent requirements of next-generation electronics.

📈 Key Trends Shaping the Market:

• Growing demand for high-resolution films supporting HDI and fine line PCB technologies

• Increasing adoption of LDI-compatible diazo films for improved manufacturing precision

• Development of environmentally sustainable film formulations with reduced environmental impact

• Expansion of production capacities in Asia, particularly China and Southeast Asia, to meet the needs of the expanding regional electronics manufacturing sector

Get Full Report Here: Diazo Film Market – View in Detailed Research Report

The companies listed above are not only serving the global PCB industry —they’re enabling the technological advancement of modern electronics.