ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,777, issued on Feb. 3, was assigned to DELTA ELECTRONICS INC. (Taoyuan, Taiwan).

"Thermosyphon cooling device with upright roll-bond fins" was invented by Cheng-Tang Yeh (Taoyuan, Taiwan) and Li-Kuang Tan (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure is directed to a thermosyphon cooling device having a heat-exchange plate and a plurality of roll-bond fins. An evaporation chamber is defined inside the heat-exchange plate. A heat-exchange surface and a top surface are disposed at two sides of the heat-exchange plate. A capillary structure is arranged in the evaporation chamber, and the capillary structure is correspond...