Top 10 Companies in the Photoactive Compound (PAC) Market (2025): Market Leaders Powering the Electronics Revolution

In Business Insights
December 09, 2025

The Global Photoactive Compound (PAC) Market was valued at USD 2.05 Billion in 2024 and is projected to reach USD 2.99 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 6.1% during the forecast period (2024–2030). This robust growth is driven by the relentless miniaturization of semiconductor devices, rising demand for high-resolution displays, and the continuous expansion of the global electronics manufacturing sector.

As the digital world advances, the unsung heroes enabling this progress are the photoresist chemicals that define intricate circuit patterns on silicon wafers and display panels. The core component of these photoresists is the Photoactive Compound, a light-sensitive material critical for photolithography. In this blog, we profile the Top 10 Companies in the Photoactive Compound Industry—a group of specialized chemical suppliers and innovators at the forefront of advanced material science.


🔟 1. Toyo Gosei Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: High-purity PACs for g-line, i-line, and advanced photoresists

Toyo Gosei is a leading Japanese chemical company with a formidable reputation for producing high-purity photoactive compounds. The company serves major semiconductor fabricators and photoresist manufacturers globally, with a strong focus on research and development for next-generation lithography.

Innovation Focus:

  • Development of PACs for EUV (Extreme Ultraviolet) lithography

  • High-performance compounds for ArF and KrF photoresists

  • Strategic partnerships with leading semiconductor foundries

Download FREE Sample Report: Photoactive Compound (PAC) Market – View in Detailed Research Report


9️⃣ 2. Daito-KISCO Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Custom-synthesized PACs, Diazonaphthoquinone (DNQ) derivatives

Daito-KISCO specializes in the fine chemical sector, with a significant portion of its business dedicated to photoactive compounds used in positive photoresists. The company is known for its reliable supply chain and ability to produce tailored PACs to meet specific customer formulations.

Innovation Focus:

  • Expertise in DNQ-based chemistry for i-line applications

  • Focus on purity and consistency for high-yield semiconductor production


8️⃣ 3. Miwon Commercial Co., Ltd.

Headquarters: Gyeonggi-do, South Korea
Key Offering: PACs for LCD, OLED, and semiconductor photoresists

Miwon is a key South Korean player in the electronic chemicals market, supplying essential materials to the country’s massive display and semiconductor industries. The company has a strong regional presence and is expanding its global footprint.

Innovation Focus:

  • R&D aligned with the needs of leading Korean electronics conglomerates

  • Development of PACs for flexible and high-brightness OLED displays


7️⃣ 4. Crystal Clear Electronic Material Co., Ltd.

Headquarters: Jiangsu, China
Key Offering: PACs for photoresists in PCB and FPD applications

Crystal Clear Electronic Material is a prominent Chinese manufacturer focusing on materials for the printed circuit board (PCB) and flat panel display (FPD) industries. The company plays a critical role in supporting China’s domestic electronics supply chain.

Innovation Focus:

  • Localization of high-purity electronic chemicals

  • Cost-effective PAC solutions for mass-market electronics

Download FREE Sample Report: Photoactive Compound (PAC) Market – View in Detailed Research Report


6️⃣ 5. Shanghai Daeyeon Chemical Co., Ltd.

Headquarters: Shanghai, China
Key Offering: Specialty PACs, photoacid generators (PAGs)

Shanghai Daeyeon Chemical is a specialized supplier of advanced electronic chemicals, including a range of photoactive compounds and photoacid generators crucial for deep-UV and chemically amplified photoresists used in leading-edge chip manufacturing.

Innovation Focus:

  • Development of advanced PAGs for sub-10nm process nodes

  • Collaboration with academic institutions for breakthrough chemistries


5️⃣ 6. Benxi Rst Chemical Co., Ltd.

Headquarters: Liaoning, China
Key Offering: PAC intermediates, custom synthesis services

Benxi Rst Chemical operates as a key supplier of chemical intermediates used in the production of photoactive compounds. The company supports the broader PAC manufacturing ecosystem with essential raw materials and specialized synthesis capabilities.

Innovation Focus:

  • Optimization of synthesis routes for cost efficiency

  • Supply chain integration for the domestic Chinese market


4️⃣ 7. Changchun Chemical Industry Co., Ltd.

Headquarters: Jiangsu, China
Key Offering: PACs for various photoresist applications

Changchun Chemical Industry is another significant Chinese enterprise contributing to the electronic materials sector. The company produces a variety of PACs tailored for different photoresist formulations used in semiconductors and displays.

Innovation Focus:

  • Expansion of production capacity to meet growing domestic demand

  • Quality enhancement to compete in international markets


3️⃣ 8. Merck KGaA (Performance Materials)

Headquarters: Darmstadt, Germany
Key Offering: Advanced PACs, PAGs, and integrated photoresist solutions

While not explicitly listed in the initial segment data, Merck KGaA is a global science and technology leader whose Performance Materials division is a major force in electronic chemicals. They supply high-performance PACs and are a key innovator in materials for EUV lithography.

Innovation Focus:

  • Pioneering metal-oxide based photoresists for EUV

  • Comprehensive material solutions for the entire lithography process


2️⃣ 9. Tokyo Ohka Kogyo Co., Ltd. (TOK)

Headquarters: Kawasaki, Japan
Key Offering: Photoresists and proprietary PACs for all lithography wavelengths

TOK is one of the world’s leading photoresist manufacturers, and its expertise inherently includes the development and use of sophisticated photoactive compounds. The company vertically integrates PAC development to optimize its final photoresist products for maximum performance.

Innovation Focus:

  • Co-development of PACs with semiconductor equipment makers

  • Leading supplier for memory and logic chip manufacturers


1️⃣ 10. JSR Corporation

Headquarters: Tokyo, Japan
Key Offering: State-of-the-art PACs for ArF immersion and EUV lithography

JSR Corporation is a global leader in materials for the semiconductor industry, particularly in advanced photoresists. The company’s deep expertise in polymer and organic chemistry makes it a premier innovator in photoactive compounds required for the most demanding fabrication processes.

Innovation Focus:

  • Market-leading position in EUV photoresist technology

  • Extensive R&D investment to push the limits of lithography

Get Full Report Here: Photoactive Compound (PAC) Market – View in Detailed Research Report


🌍 Outlook: The Future of PACs Is Driven by Miniaturization and New Technologies

The photoactive compound market is at a critical juncture. As semiconductor nodes shrink to 2nm and beyond, and as display technologies like MicroLED emerge, the demands on PAC performance are becoming exponentially greater. The industry is transitioning from traditional DNQ chemistry to highly sophisticated chemically amplified resists and inorganic formulations.

📈 Key Trends Shaping the Market:

  • The rapid adoption of EUV lithography is creating demand for entirely new classes of PACs and Photoacid Generators (PAGs).

  • Increasing complexity in 3D NAND flash memory and DRAM manufacturing requires PACs with exceptional aspect ratio capabilities.

  • Growth in the advanced packaging sector (e.g., Fan-Out, 3D IC) is driving need for specialized thick-film photoresists and their corresponding PACs.

  • Geopolitical factors are accelerating the development of domestic PAC supply chains, particularly in China and other Asia-Pacific regions.

Get Full Report Here: Photoactive Compound (PAC) Market – View in Detailed Research Report

The companies listed above are not only supplying critical materials—they are enabling the next generation of technological innovation that defines our digital world.