7 Questions 9 Answers 0 Followers
Questions related from Johannes Hoerr
Dear Fellows, we are facing a curious Problem with our Sylgard 184 molds: Apparently the cured PDMS softens again, after heating the sample above 100°C. What could cause the problem?...
07 February 2022 1,080 0 View
Dear Fellows, now it is the time to push graphene applications further in terms of easy and low cost production surroundings. Thus I recently dived in the materia and I am facing tons of papers,...
03 February 2021 6,582 2 View
Dear colleges, in these days we're struggeling with the following Problem: With a microfluidic device, PDMS-microchannels with a measuring chamber, bonded to a glass-wafer with Ti/Au-Electrodes,...
18 June 2020 9,309 1 View
Dear People, I have an PEDOT:PSS layer which is very sensitive to Water and Photoresist S1813. For this I want to coat an Al saccrification layer on top of the PEDOT which has to be etched now....
11 July 2017 9,408 0 View
Dear colleagues, I will have to pour liquid PDMS on a substrate having 300 micron thick pin-structures on it. The difficulty is, that the pins later have to break through the hardened PDMS, so the...
06 February 2017 6,279 3 View
On top the pins should be 70um. At the base/bottom: the wider the better. I tried to massively overdose the UV-exposure, but it didnt worked yet. What about the PEB?
09 December 2016 9,277 0 View
Do you already have some experience? I am on to use UV-Treatment, over-oxidization and laser-ablation. Some more ideas? Thank you.
06 July 2016 987 6 View
