US Patent No. 10,251,308


Patent No. 10,251,308
Issue Date April 02, 2019
Title Cooling Device For Electronic Components Using Liquid Coolant
Inventorship Xavier Baillin, Crolles (FR)

Claim of US Patent No. 10,251,308

1. A device for cooling a component comprising:a support that will receive on a first face the component to be cooled, the support comprising a fluid network inside which a liquid will circulate, the fluid network comprising a first cavity, a second cavity, a first channel connecting the first cavity to the second cavity, and a first deformable membrane and a second deformable membrane forming a mobile wall of the first cavity and a mobile wall of the second cavity, respectively; and
an actuating device for actuating the first membrane and the second membrane, configured to enable deformation of at least one of the first or the second membrane so as to vary a volume of at least one of the first cavity or the second cavity and to enable displacement of the liquid in the first channel,
wherein the actuating device comprises:
a first electrode located on the first membrane,
a second electrode located on the second membrane, and
a fixed electrode located on the support and facing the first electrode in the first cavity or facing the second electrode in the second cavity or facing both the first electrode and the second electrode,
wherein the fixed electrode is located on protuberances of the support, said protuberances facing the first electrode or the second electrode or both the second and the first electrode, and
wherein a first protuberance among said protuberances is arranged in between a second protuberance and a third protuberance among said protuberances, said third protuberance and second protuberance both having a height that is greater than a height of said first protuberance, said first protuberance and second protuberance being separated by a first groove, said first protuberance and third protuberance being separated by a second groove, said first groove and second groove extending in a direction parallel to the first channel, and each of said first protuberance, second protuberance and third protuberance facing said first electrode.