noun
diazo paper; diazotype paper
Technical term for paper coated with diazonium compounds, used in blueprint and document reproduction processes.
設計図はジアゾ感光紙に複写された。
The blueprint was copied onto diazo paper.
青写真 is the older cyanotype blueprint process, while ジアゾ感光紙 refers specifically to diazo-based reproduction paper.
Compound of ジアゾ (diazo, from English) and 感光紙 (photosensitive paper).