The market for photoresist and photoresist ancillaries is approximated to be USD 4.1 billion in 2023, and it is projected to reach USD 5.3 billion by 2028, at a CAGR of 5.1%. Photoresists are light-sensitive materials used in the semiconductor and microelectronics industries to precisely pattern and etch substrates during the manufacturing of integrated circuits and electronic devices. These materials undergo a chemical change upon exposure to light, enabling accurate pattern transfer. Photoresist ancillaries are complementary materials and chemicals used in conjunction with photoresists to optimize the lithographic process. Antireflective coating, developer, and remover are some of the types of photoresist ancillaries that are majorly used during photolithography.

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Positive and negative photoresists are two types of light-sensitive materials used in the semiconductor and microelectronics industries for lithographic processes. A positive resist is a kind of photoresist in which the exposed area of the photoresist becomes soluble in the developer. The photoresist developer cannot dissolve the photoresist that has not been exposed. A negative photoresist is a type of photoresist in which the portion that is exposed to light becomes insoluble in the photoresist developer. The photoresist developer dissolves the unexposed portion of the photoresist.

The photoresist and photoresist ancillaries market can be segmented based on its response to a specific wavelength of light. These materials are sensitive to wavelengths 193 nm (ArF), 248 nm (KrF), 365 nm (I-line), and 436 nm (G-line). ArF is the most widely used as it provides low defect levels with superior resolution, owing to its narrow wavelength and ability to break through a 10 nm level.

The photoresist and photoresist ancillaries market is divided into different applications like semiconductor &ICs, LCD, printed circuit boards, and others (NEMS, MEMS, sensors). In the production of semiconductors and integrated circuits (IC), photoresists are essential. On the surface of semiconductor substrates, they are utilized to define the circuitry and produce detailed designs. Semiconductors & ICs segment is the largest application due to the production of huge volumes of integrated circuits or chips.

The photoresist and photoresist ancillaries market is studied for five regions, namely, North America, Europe, Asia Pacific, the Middle East & Africa, and South America. Asia Pacific is the largest consumer of photoresist and photoresist ancillaries globally. The Asia Pacific region has witnessed significant growth in the semiconductor industry, with the proliferation of consumer electronics, automotive electronics, and industrial automation. This growth is fueled by factors such as rising disposable incomes, increasing adoption of smart devices, and expanding digital infrastructure.