negative-tone development

initialism: NTD
https://doi.org/10.1351/goldbook.09544

Process for revealing the latent image in a resist in which the exposed regions are less soluble in the developer than the unexposed regions.

Source:
PAC, 2020, 92, 1861. (Terminology of polymers in advanced lithography (IUPAC Recommendations 2020)) on page 1882 [Terms] [Paper]