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decap:epoxy [2020/02/27 20:58] – [McMaster live 2019-11-10] mcmasterdecap:epoxy [2020/02/27 21:02] – [McMaster live 2019-11-10] mcmaster
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 Experiments trying to decap COB while keeping PCB intact Experiments trying to decap COB while keeping PCB intact
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 TLDR best result TLDR best result
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 Above is a compromise between PP providing the best chemical resistance and silicone providing the best seal Above is a compromise between PP providing the best chemical resistance and silicone providing the best seal
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 +{{:mcmaster:decap:epoxy:silicone_surface.jpg?600|}}
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 +Above: hardened silicone bubbles on WFNA surface
  
 Silicone only experiment Silicone only experiment
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 Someone also suggested I should try PTFE gasket. In the past I had tried kapton which didn't work well (acid tended to wick into kapton). Maybe PTFE would repel acid better Someone also suggested I should try PTFE gasket. In the past I had tried kapton which didn't work well (acid tended to wick into kapton). Maybe PTFE would repel acid better
  
 +Reference: https://twitter.com/johndmcmaster/status/1193807272171827200
  
 ====== Live analysis considerations ======  ====== Live analysis considerations ====== 
 
decap/epoxy.txt · Last modified: 2023/09/04 07:42 by mcmaster
 
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