(Water Cooling Inside A CPU) – Behind me is a PC with an all in one closed-loop cooler to keep the CPU from overheating and unless you’re trying to perform an extreme overclocking,
It’s a pretty good solution but even with the best cooler on the market your CPU will still be quite warm you know what why do we need water blocks at all,
I mean look at this processor, All of this space inside that black square is dedicated to an integrated heat spreader so would it be possible to instead build water cooling right into the diet itself,
As it turns out the answer is yes, and to find out more we spoke to Ellison Mattioli a professor of electrical engineering at the Swiss federal institute of technology in Lausanne,
for he and his team recently developed an all-new in chip cooling solution we’d like to give a big thank you for taking the time to talk with us
So, a big part of their approach was to look at the electronics and the thermal management as a single problem rather than the paradigm that we’re more used to wear one company works on making chips and another one works on making heat sinks or water blocks instead the idea was to design a chip in concert with an integrated liquid cooling solution,
So, that you would already know where the hot spots where to demonstrate this idea they used a device that generates a lot of heat in this case a power converter,
And then aged water microchannels(Water Cooling Inside A CPU) into a layer directly below the gallium nitride chip that handled the power conversion with small capillaries blow hot spots and larger channels operating as inflow and outflow pipes.
The small channels adjacent to the warmer areas of the chip provide lots of surface area for heat making thermal dissipation very efficient compared to traditional solutions involving a separate heat spreader, heatsink, and thermal paste.
remember guys you lose a lot of efficiency with each step the chip only got up to 60°C compared to the blistering. 250 degrees that we would have seen without cooling in fact their solution ended up being able to extract 1.7 kilowatts per square centimeter using only half a lot of pumping power.
conveniently a square centimeter is roughly the same size as a modern processor die and even high-end processors have TD peas in the neighborhood of just 125 to 250 watts.
So, what’s the solution this efficient you could call a chip down to near room temperature especially as the process of working just as well with more familiar silicon processors
I mean the amount of heat that a typical trip puts out is a whole order of magnitude less than what in chip cooling could handle. But hold on a second is this some kind of pipe dream that’s just never going to leave the laboratory like DNA storage unless it does eventually or could we actually see this in our desktop rigs in the near future.
Well turns out it would actually be fairly trivial for a big chip maker to replicate this microchannel process in the standard cleanroom ends the research team in Switzerland has already had a number of companies approach them about using this technology in the coming years,
well, the most obvious benefit will be for server farms or data centers where huge amounts of money are already being spent to keep energy costs low and processor temperatures lower.
however, if there’s no reason at all that we couldn’t see it in our home gaming computer at some point which could allow for significant increases in overclocking,
Maybe, even better gaming on mobile devices or small form factor PCS since this in chip solution doesn’t need nearly as much liquid to function correctly as a traditional water cooling loop.
understandably the lab couldn’t tell us much about exactly which companies were enquiring about chip cooling but that shouldn’t stop you or us from dreaming about the possibilities of having a water-cooled smartwatch one day, why not right
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