Trying changing your developer recipe. One I use is 40 ml of 400k and 100
ml of water. For about 20 microns thick it takes 2 minutes to develop.
I'm exposing on a karl suss aligner with 8 mw/cm^2 bulb for 27 seconds. I
get good results with this recipe. Hope this helps
Swomitra Mohanty
School of Electrical and Computer Engineering
Georgia Institute of Technology
MiRC-Joseph Pettit Bldg
791 Atlantic Dr
Atlanta, GA 30332
e-mail: [email protected]