ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,213,240, issued on Jan. 28, was assigned to Hamilton Sundstrand Corp. (Charlotte, N.C.).

"Pin-fin cooling for printed circuit boards (PCBs)" was invented by Yongduk Lee (Vernon, Conn.), Ankit Gupta (Willimantic, Conn.), Abbas A. Alahyari (Glastonbury, Conn.) and Parag M. Kshirsagar (South Windsor, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Direct pin-fin cooling assemblies are disclosed for a high-power printed circuit boards (PCBs). The disclosure can solve the classical coldplate problem associated with liquid cooling of high-power PCBs namely: (1) Inhomogeneous cooling due to the calorimetric heating up of the coolant, (2) thermal interface...