photoresist
/ˌfoʊtoʊrɪˈzɪst/
noun
- A light-sensitive material used in manufacturing electronic circuits and microchips to create patterns on a surface.
- Engineers use photoresist to create the tiny circuits inside computer processors.
- After developing, the photoresist leaves a pattern that guides the etching process.
- The photoresist is applied to the silicon wafer before exposure to ultraviolet light.