Definition of photomask in English:

photomask

Line breaks: photo|mask
Pronunciation: /ˈfəʊtəʊmɑːsk
 
/

noun

Electronics
  • A photographic pattern used in making microcircuits, ultraviolet light being shone through the mask on to a photoresist in order to transfer the pattern.
    More example sentences
    • Like the technologies used to create the photomasks and microchips, quality assurance tools such as mask and wafer inspection systems are both costly and challenging.
    • Microlithography projects a pattern from a photomask through an optical system to create IC chips using ultraviolet laser light.
    • It appears that the costs of not only tools but of photomasks are poised to skyrocket.

More definitions of photomask

Definition of photomask in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody