hard bake

https://doi.org/10.1351/goldbook.09494
High temperature annealing to solidify any resist material remaining after development in order to provide a durable protective layer for etching.
Source:
PAC, 2020, 92, 1861. (Terminology of polymers in advanced lithography (IUPAC Recommendations 2020)) on page 1875 [Terms] [Paper]