20210319 3Dcell labnotes
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Revision as of 15:03, 19 March 2021 by Dagkd@uio.no (talk | contribs)
Casting PDMS 10:1
- poured about 40 ml into disposable beaker on the balance: 32.2g
- poured curing agent by hand until weight was 35.4 g
- mixed. lots of bubbles in mixture
- put beaker in vacuum chamber
- cycled vacuum / air several times to make and break bubbles
- continued until almost all bubbles gone
- poured carefully over mask and put into oven
Preparing for the next steps
- 4 medium and 2 big circuits made were not destroyed by breaking the wafer
- Find cover slips and clean. They all fit on 18x24mm cs found in drawer by plasma machine
- Cut loose and peel off master
- punch holes for 1/16" tubes
- clean with tape
- plasma treat PDMS and CS
- bond
- connect tubes
- fill circuits with distilled water
