ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,643, issued on Dec. 30, was assigned to Siemens AG (Munich).
"Method for producing a heat sink having fins and a peripheral side wall" was invented by Marius Munzinger (Nuremberg, Germany) and Christoph Noth (Eckental, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for producing a heat sink, a semifinished product of a first metal material is placed into a die and a material layer of a second metal material of a higher thermal conductivity than the first metal material is releasably connected to a pressure surface of a punch. The punch is brought into contact via the material layer with the semifinished product in the die. The he...