In the ever-evolving landscape of the global semiconductor industry, the development of photolithography materials, specifically photoresists, has become increasingly criticalAs we approach 2024, significant advancements have been achieved in China’s photolithography sector, primarily due to the acceleration of technological innovations and the expansion of market opportunitiesCompanies within the nation are making noteworthy strides that could reshape the dynamics of this vital industry, once dominated by international players.

One of the standout examples of this development is Hubei Dinglong Co., Ltd., which has recently garnered attention with its successful procurement of orders for immersion ArF and KrF photoresistsOn December 9, the company announced that its subsidiary, Dinglong (Qianjiang) New Materials Co., Ltd., had manufactured a type of ArF immersion photoresist that passed stringent client verification, leading to contracts with two leading semiconductor firms in China

The value of these orders exceeds one million yuan, marking a significant milestone in the company's journey toward becoming a player in the high-end materials market.

This development is particularly noteworthy as it represents Dinglong's successful entry into the competitive world of high-end wafer photoresistsPrior to this, the company had made headway in other segments, notably in display panel photoresists and advanced packaging photoresistsThe recent contracts signify a breakthrough for Dinglong and reflect the broader trajectory of Chinese firms toward increased self-sufficiency and innovation within the semiconductor supply chain.

Dinglong’s strategic focus has led to the development of over 20 varieties of high-end wafer photoresists tailored specifically to client specifications, many of which remain underexplored in the Chinese marketAmong these, they've successfully validated two products and are currently in the testing phase for additional eight models, showcasing robust progress and a pipeline full of potential developments

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This proactive approach has allowed them to establish a significant foothold in a sector that is traditionally technology-dependent on foreign expertise.

At the core of Dinglong’s innovation is the establishment of a comprehensive manufacturing strategy that incorporates organic synthesis, polymer synthesis, and collaborative partnerships with mainstream wafer producersThe firm has developed proprietary high-purity polymers and photoactive compounds, which are essential components of photoresistsThis full control over the production chain—from critical materials to finished products—aligns perfectly with the demand for security in the supply chains of downstream clients.

In parallel, Rongda Technology Co., Ltdhas been making waves within the industryRecently, the Shenzhen-based company received approval from the Shenzhen Stock Exchange for a funding application aiming to raise 244 million yuan through the issuance of new shares

The funding is set to enhance their capacity in producing high-end photoresists, which are integral components in PCB (Printed Circuit Board) manufacturing as well as semiconductor production.

Rongda’s plan focuses on constructing production lines capable of generating 120 million square meters of high-end photoresists annually, promoting not only its market position but also aligning itself with the increasing demand across various application domainsThis strategic initiative will fortify its market presence and ensure a continuous upward trajectory in revenue, while also aiding in filling the gaps present in China's current supply chain.

Photoresists are critical components in the photolithography process, which is fundamental for the manufacturing of semiconductor devices, displays, and PCBsGlobally, the major players in the photoresist market have historically included companies from Japan and the United States, such as JSR, Tokyo Ohka Kogyo, Shin-Etsu Chemical, and DuPont, all of which control a significant portion of the semiconductor photoresist market, especially in high-end technologies.

While China has made some headway in the low-end photoresist market through companies like Xinyang, Ruike, Baichuan Pharmaceutical, and Jingjing Electronics, the high-end market still poses significant challenges due to considerable technological barriers and a relatively late start in industrial development

Data indicates that China's penetration rate for g-line photoresists is around 20%, i-line at 20%, but significantly lower for KrF at under 5% and ArF at less than 1%.

The gap in high-end photoresist technology remains an essential area for development, especially against the backdrop of increasing demand driven by advancements in AI, high-performance computing (HPC), and the recovery in consumer electronics sectors, including smartphones and automobilesAs the semiconductor industry pushes forward, the market for photoresists is poised for expansion.

Moreover, the Chinese government is actively supporting the semiconductor sector and materials industry through policies aimed at bolstering the local photolithography marketThis supportive climate encourages innovation and strives for domestic alternatives for what has been historically imported technology.

Ultimately, with companies such as Dinglong and Rongda leading the charge, along with government backing, the photolithography industry in China is set for rapid growth