ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,655, issued on June 16, was assigned to PSIQUANTUM CORP. (Palo Alto, Calif.).

"Bonded electro-optic device with filled void and method of making thereof" was invented by Nicholas LiCausi (Watervliet, N.Y.) and James Jay McMahon (Mechanicville, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming an electro-optic device includes forming at least one of an electro-optic layer or a waveguide over a first substrate, forming a cladding layer over the at least one of the electro-optic layer or the waveguide, bonding a second substrate over the cladding layer, such that a void is formed at a bonding interface, removing the first substrat...