An electronic device and associated methods are disclosed. In one example, the electronic device includes an integrated circuit (IC) package substrate including package interconnect and a first substrate surface; a processor IC attached to the first substrate surface and electrically connected to the package interconnect; a liquid metal well array including multiple liquid metal wells, a first array surface attached to the first substrate surface, and a second array surface; and a companion component to the processor IC attached to the second array surface of the liquid metal well array.