Photolithography



[foh-toh-li-thog-ruh-fee] /ˌfoʊ toʊ lɪˈθɒg rə fi/

noun
1.
the technique or art of making photolithographs.
2.
Electronics. a process whereby integrated and printed circuits are produced by photographing the circuit pattern on a photosensitive substrate and chemically etching away the background.
/ˌfəʊtəʊlɪˈθɒɡrəfɪ/
noun
1.
a lithographic printing process using photographically made plates Often shortened to photolitho (ˌfəʊtəʊˈlaɪθəʊ)
2.
(electronics) a process used in the manufacture of semiconductor devices, thin-film circuits, optical devices, and printed circuits in which a particular pattern is transferred from a photograph onto a substrate, producing a pattern that acts as a mask during an etching or diffusion process See also planar process

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