Noun
diazonaphthoquinone (plural diazonaphthoquinones)
English Wikipedia has an article on:diazonaphthoquinoneWikipedia
(chemistry) A diazo derivative of naphthoquinone.
DNQ-Novolac photoresist One very common positive photoresist used with the I, G and H-lines from a mercury-vapor lamp is based on a mixture of diazonaphthoquinone (DNQ) and novolac resin (a phenol formaldehyde resin ). Source: Internet
For example, diazonaphthoquinone (DNQ) absorbs strongly from approximately 300 nm to 450 nm. Source: Internet