(redirected from Diazo film)
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 (wīt′prĭnt′, hwīt′-)
A photomechanical copy, usually of a line drawing, in which black or colored lines appear on a white background.
References in periodicals archive ?
Tenders are invited for Rfq For Diazo Film Developer
Micro Images also provides microfilm processing, duplication and methylene blue analysis services and sells microfilm, diazo film, silver duplicating film, and processing chemicals.
A copy can take the form of silver based or diazo film, with silver offering long-term archiving stability.
Diazo film was designed for silver film duplications, a matte emulsion version and clear emulsion, and the first generation of scratch and chemical resistant emulsions.
Technicians tend to expose and develop their diazo film, and then immediately take a reading instead of performing a burn-back.