One approach to cooling electronics is to use heat spreaders based on
In their work, scientists monolithically integrate copperdirectly into electronic devices for heat distribution and temperature stabilization. To do this, the device is first coated with an electrically insulating layer of poly(di-chloro-n-xylylene) followed by a conformal copper coating. This approach allows you to place copper in close proximity to the fuel elements.
“The advantage of our heat distributors withconformal coating is that they completely cover the electronic device, including the top, bottom and sides, explains Tarek Gebrael, one of the authors of the study, in an interview with TechXplore. — This is not possible with standard heat spreaders, which are usually installed on top of the device, or with standard PCB copper plates. By creating these conformal coatings, we were able to provide more ways for heat to escape from the electronic device, resulting in higher cooling efficiency.”
The authors of the work note that earlier researcherssimilar solutions were developed, but they used very expensive materials such as diamond to increase the efficiency of heat removal. The low cost of production using the new technology proposed in the work opens up wide opportunities for large-scale implementation.
Scientists evaluated their heat spreaders with coppercoating in a series of tests and showed their effectiveness. In particular, their solution has increased the power per unit volume by up to 740% compared to the standard air-cooled copper radiators used today.
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