ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,151, issued on Nov. 3, was assigned to AMOGREENTECH Co. LTD. (Gimpo-si, South Korea).
"Ceramic substrate unit and method for manufacturing same" was invented by Jihyung Lee (Gimpo-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a ceramic substrate unit and to a method for manufacturing same. The ceramic substrate has a plurality of line grooves, through which air flows, formed on an upper surface of a lower metal layer thereof, so that heat generated in a semiconductor chip can be released to the outside by air convection, and warping caused by a volume difference between an upper metal layer and the lo...