Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Photomask" Definition
noun
A transparent quartz block marked with many high-resolution images; a series of them are used in the photolithography of integrated circuits, one for each layer.
Source: Wiktionary
A photographic pattern used in making microcircuits, ultraviolet light being shone through the mask on to a photoresist in order to transfer the pattern.
Source: Oxford Dictionary
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