ALEXANDRIA, Va., July 14 -- United States Patent no. 12,682,572, issued on July 14, was assigned to ANSYS Inc. (Canonsburg, Pa.).

"Adaptive mesh refinement techniques for three-dimensional stacked models" was invented by Xiaokai Zhou (Shanghai), Wenbo Xia (San Jose, Calif.), Huangjin Zhao (Austin, Texas), Wei You (Austin, Texas) and Caleb Matthew Phillips (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method for adaptive mesh refinement includes generating a first mesh for a first layer of a stacked model representing a 3D integrated circuit, the first mesh including a first grid for the first layer, performing a simulation for the stacked model using the first mesh to o...