Can anyone suggest me a better developer to obtain narrow and long trenches on an SU-8 3025 flat surface?

I am working on a SU-8 3025 (Cyclopentanone as solvent) to realize deep, narrow and long trenches on the surface. The development step is a total failure! I am using PGMEA as developer and after 8...

08 October 2015 221 2 View