ALEXANDRIA, Va., June 18 -- United States Patent no. 12,328,962, issued on June 10, was assigned to STMicroelectronics (Crolles 2) SAS (Crolles, France) and STMicroelectronics (Research &Development) Ltd. (Marlow, Great Britain).
"SPAD pixel" was invented by Francois Guyader (Montbonnot, Great Britain), Sara Pellegrini (Edinburgh, Great Britain) and Bruce Rae (Edinburgh, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device includes a stack of a first level having a SPAD, a second level having a quench circuit for said SPAD, and a third level having a circuit for processing data generated by said SPAD. A method for making the device includes: a) forming of the first level; b) bond...