ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,781, issued on June 3, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Rehealable and reworkable polymer for electronic packaging" was invented by Rudy J. Wojtecki (San Jose, Calif.), Gregory Breyta (San Jose, Calif.), Kamal K. Sikka (Poughkeepsie, N.Y.) and Teddie P. Magbitang (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composition, process, and device are disclosed. The composition includes a polymer formed by reacting an epoxy compound with an amine curing agent. The epoxy compound comprises a Diels-Alder dimer and an ester moiety. The process includes providing a polymer formed by reacting the epoxy c...