photoresist

noun pho·to·re·sist \ ˈfō-tō-ri-ˌzist , ˌfō-tō-ri-ˈzist \

Updated on: 3 Apr 2018

Definition of photoresist

: a photosensitive resin that loses its resistance to chemical etching when exposed to radiation and is used especially in the transference of a circuit pattern to a semiconductor chip during the production of an integrated circuit

Recent Examples of photoresist from the Web

The wafer is coated with a light-sensitive material called photoresist.

— peter bright, Ars Technica, "Extreme UV chip defects may force a new approach to processor design," 27 Feb. 2018
Mainly, the orders are for niche industrial chemicals and supplies, such as photoresist, water glass and ion-exchange resin.

— andrew roth, chicagotribune.com, "Lawyer who met with Trump Jr. had Russian intelligence connections," 21 July 2017
Mainly, the orders are for niche industrial chemicals and supplies, such as photoresist, water glass and ion-exchange resin.

— andrew roth, Washington Post, "Lawyer who met with Trump Jr. had Russian intelligence connections," 21 July 2017
The disk is exposed to ultraviolet light, and where the photoresist is not covered by the mask, the energy of the light causes the coating to liquify.

— kathy ceceri, WIRED, "The Birth of a Computer Chip Explained During NANOvember," 6 Nov. 2012

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photoresist.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.