Difference between revisions of "20210319 3Dcell labnotes"

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* continued until almost all bubbles gone
 
* continued until almost all bubbles gone
 
* poured carefully over mask and put into oven
 
* 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

Revision as of 15:03, 19 March 2021

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