photolithography(redirected from Optical lithography)
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Related to Optical lithography: Electron beam lithography
A planographic printing process using plates made according to a photographic image.
pho′to·lith′o·graph′ic (-lĭth′ə-grăf′ĭk) adj.
1. (Printing, Lithography & Bookbinding) a lithographic printing process using photographically made plates. Often shortened to: photolitho
2. (Electronics) 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
pho•to•li•thog•ra•phy(ˌfoʊ toʊ lɪˈθɒg rə fi)
1. the technique or art of making photolithographs.
2. a process whereby integrated and printed circuits are produced by photographing the circuit pattern on a photosensitive substrate and chemically etching away the background.
the process of making lithographs produced by photoengraving. Cf. photogravure. — photolithographer, n. — photolithographic, adj.See also: Photography
the process of making lithographs produced by photoengraving. Cf. photogravure. — photolithographer, n. — photolithographic, adj.See also: Engraving