US Patent Issued to Korea Advanced Institute of Science and Technology on Feb. 24 for "Ceramic dielectrics with high permittivity and low dielectric loss and preparation method therefor" (South Korean Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,426, issued on Feb. 24, was assigned to Korea Advanced Institute of Science and Technology (Daejeon, South Korea).

"Ceramic dielectrics with high permittivity and low dielectric loss and preparation method therefor" was invented by Sung-Yoon Chung (Daejeon, South Korea) and Ji-Sang An (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a polycrystalline ceramic dielectric comprising: crystal grain bulks made of a barium titanate-based ceramic; and grain boundaries comprising interfaces between the crystal grain bulks, wherein the composition of the grain boundaries is controlled using dopants. By controlling the grain b...