ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,194, issued on March 31, was assigned to DEXERIALS Corp. (Shimotsuke, Japan).

"Anisotropic conductive film" was invented by Reiji Tsukao (Utsunomiya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An anisotropic conductive film includes conductive particles disposed in an insulating resin layer. Zigzag arrangements are arranged at a predetermined pitch in an x direction on an xy plane in a plan view of the anisotropic conductive film with positions thereof in a y direction being periodically altered. The zigzag arrangements each include an arrangement Rb and an arrangement Rc repeatedly provided at predetermined intervals in the y direction. ...