Definitions for "Diazo film"
A non-reversing duplicate film (containing diazonium salts) which forms an image when exposed to ultraviolet light and enveloped by ammonia.
In microform records, film containing images produced by exposing an emulsion of diazonium salts to ultraviolet light and then ammonia fumes for the purpose of copying a master microform. See also MICROFILM.
A relatively slow film composed of azo dies that, in the presence of strong light and ammonia vapors, is capable of creating an image. Diazo provides a positive image, black to black and white to white.
A transparent material on which image transparencies may be reproduced in specific colours.