Anyone else using local negative resists? Curious about your develop times (we used 2.38% TMAH, 60s).
Batch-to-batch consistency is the main issue. I recommend qualifying each new bottle with a short process matrix. guo chan-pu tong hua-yuan fu jiao ya
Just wrapped up a spin-coating and lithography run using a (the "pu tong hua yuan fu jiao ya" type). Anyone else using local negative resists