photomask
noun
pho·to·mask
ˈfō-tō-ˌmask 
plural photomasks
: a pattern of opaque material used to shield selected areas of a surface (as of a semiconductor) in deposition or etching (as in producing an integrated circuit) : mask sense 3d
Examples of photomask in a Sentence
Recent Examples on the Web
From there the light continues its journey until it is projected onto the wafer [bottom center], carrying the photomask’s pattern.
—
IEEE Spectrum, 29 July 2023
To print the patterns at nano-meter levels, semiconductor makers have to rely on what’s called computational lithography—or specialized computer models—to optimize the photomask and prevent defects during the manufacturing process.
—Michael Kan, PCMAG, 21 Mar. 2023
According to Zhao, to fabricate one photomask would cost about €3000 (3500 USD).
—IEEE Spectrum, 23 Jan. 2023
To imprint microchannel networks on each of AKVO’s CDs, a microchannel photomask is needed.
—IEEE Spectrum, 23 Jan. 2023
IEEE Spectrum, 29 July 2023
To print the patterns at nano-meter levels, semiconductor makers have to rely on what’s called computational lithography—or specialized computer models—to optimize the photomask and prevent defects during the manufacturing process.
—Michael Kan, PCMAG, 21 Mar. 2023
According to Zhao, to fabricate one photomask would cost about €3000 (3500 USD).
—IEEE Spectrum, 23 Jan. 2023
To imprint microchannel networks on each of AKVO’s CDs, a microchannel photomask is needed.
—IEEE Spectrum, 23 Jan. 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'photomask.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
First Known Use
1963, in the meaning defined above
Dictionary Entries Near photomask
Cite this Entry
“Photomask.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photomask. Accessed 8 Dec. 2023.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share