A possibly stupid idea: direct water on delid
13 minutes ago, WereCat said:If you mean that the water will be directly touching the die, I don't think it has been done... for a good reason.
Issue #1
It would be extremely difficult to seal it in such way that the water doesn't get on the small caps that are usually located right next to the die while at the same time getting good and evenly spread mounting pressure.
And that's not even the main issue, even if you got that to work there is
Issue #2
It would simply be worse than using a water block.
Why? Because you would be missing the fin stack as there would be no copper plate.
That fin stack is extremely important for the water flow as it forces the water trough multiple channels and it accelerates the cooling process as the water is able to soak more heat from the fins due to much more surface area.
You actually use the copper plate with fins for cooling, the water is the just to transfer the heat into a radiator.
When you remove those fins and leave just water, you significantly reduce the surface area and thus will get worse cooling.
I'll leave this here.
https://www.overclock.net/forum/134-cooling-experiments/1599292-direct-die-water-cooling.html
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