> The Cray supercomputer were fluid cooled back in the 1980's, the entire
> board had an inert liquid flowing across it.
Mineral oil is the usual substance used, as its clear and non smelling.
Are pretty much all surface mounted components fine with this?
I wanted to waterproof a micro devboard by submerging it in mineral oil. I was worried the board may delaminate or components would turn to goop