Depending on how they interact with the light, photoresists can be categorised as either positive or negative. UV exposure makes positive photoresists soluble while UV exposure makes negative photoresists insoluble and cross-linked. Positive photoresists offer superior heat stability and resolution, whereas negative photoresists have better silicon adhesion, faster processing times, and cheaper costs. In the creation of Integrated Circuit (IC) devices, these photoresists are essential. A major element driving up demand for photoresists is the semiconductor industry's rapid expansion. Photoresist Chemicals Market are also used in microcontact printing, microelectronics, printed circuit boards, patterning, and etching substrates.
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