ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,931, issued on Aug. 4, was assigned to DISCO Corp. (Tokyo).
"Cooling mechanism" was invented by Hideyuki Suzuki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling mechanism includes a controller that controls the degree of opening of a variable expansion valve and the rotational speed of a compressor to cause a CO2 coolant to follow a route that is defined by set pressure values and set temperatures in surrounding relation to a critical point specified by a critical temperature of 31.1deg C. and a critical pressure of 7.38 Mpa, in order for a temperature value measured by a first temperature sensor or a second temperature sensor to reach...