ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,826, issued on June 2, was assigned to NEC Corp. (Tokyo).
"Sintered body having pores and method for producing the same" was invented by Akinobu Shibuya (Tokyo) and Taizo Shibuya (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a sintered body comprising (a) a matrix material comprising at least one selected from ZnS and ZnSe, (b) an oxide that is present in a form of islands in the matrix material, comprising at least one metal selected from the group consisting of Ca, Sr and Ba, and (c) pores that are present in a form of islands in the matrix material. The sintered body has sufficient strength and an infrared stealth effect in an...