单词	photoresist
释义	photoresist /ˌfəʊtəʊrɪˈzɪst / noun A photosensitive resist which, when exposed to light, loses its resistance or its susceptibility to attack by an etchant or solvent. Such materials are used in making microcircuits.The gold layers are structured by means of a process called photolithography, whereby light sensitive polymer resins or photoresists serve as masking material for the transfer of images onto the underlying substrate.... When exposed to light, the photoresist undergoes a chemical change that alters its solubility in a certain solvent. The researchers recorded the image onto a photoresist, a polymer coating on the other side of the superlens that becomes insoluble when exposed to UV light.
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