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Photolithography - Meaning, Definition & English Examples

Photolithography is a process used in microfabrication to transfer geometric patterns onto a substrate, often in semiconductor manufacturing. It involves light-sensitive materials and precise exposure to create detailed designs.

photolithography

/ˌfoʊtoʊlɪˈθɑɡrəfi/ /ˌfəʊtəʊlɪˈθɒɡrəfi/

Definition:

A printing process using light to transfer a pattern onto a surface, often in semiconductor manufacturing.

Synonyms:

lithography, photoprinting, photoengraving

Part of Speech:

noun

Antonyms:

freehand drawing, manual etching

Common Collocations:

semiconductor fabrication, microchip production, circuit patterning

Derivatives:

photolithographic, photolithographer

Usage Tips:

Use "photolithography" when discussing precise printing techniques in electronics or microfabrication contexts.

Common Phrases:

high-resolution photolithography, UV photolithography, maskless photolithography

Etymology:

From Greek "photo-" (light) + "lithos" (stone) + "-graphy" (writing), originally referring to stone engraving with light.

Examples:

  • 1. The engineer explained photolithography during the chip design lecture.
  • 2. Photolithography is essential for creating intricate microchip circuits.
  • 3. Students practiced photolithography techniques in the cleanroom lab.
  • 4. The company invested in advanced photolithography equipment for precision manufacturing.

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