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Hi, I have been dealing with gold surface roughening issue after I anneal my samples at 450C for 15 min in forming gas in an RTA furnace. Attached please find images showing a few areas after...
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I'd like to spin coat PDMS on top of SU8 layer. The problem is the adhesion. There are numerous publications showing how to treat PDMS with nitrogen plasma, and then bond it to SU8, but I couldn't...
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I've been trying to make a solution with 20% wt. polystyrene (average molecular mass 192000) and 80% PGMEA. PGMEA did dissolve PS, but the problem is, there are particles that no matter how many...
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I've been trying to add a UV masking layer on top of an uncrosslinked SU8. I tried metal evaporation (read a paper about using 25 nm Cr as a mask) with no luck. Are there any spin coating based...
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