ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,997, issued on March 31, was assigned to AUROS TECHNOLOGY INC. (Hwaseong-si, South Korea).
"Arrangement device and method" was invented by Sol-Lee Hwang (Hwaseong-si, South Korea) and Hye-Ji Im (Hwaseong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An arrangement device includes: a detector obtaining an image in a field of view (FOV) of a wafer, and a processor digitalizing the obtained image into black and white to model an edge line, and identifying a central position of the wafer by using the modeled edge line. The processor stores three reference points placed at half of a width and half of a height of the FOV, and obtains the...