ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,275, issued on Dec. 2, was assigned to Cisco Technology Inc. (San Jose, Calif.).
"Enhanced direct current (DC) built-in-self-test (BIST) coverage for optical engines and advanced packaging" was invented by Sanjay Sunder (Allentown, Pa.) and Alexander C. Kurylak (Bethlehem, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for testing connectivity between a first integrated circuit (IC) and a second IC of an electronics package are described. An example technique involves controlling a switch(es) in the first IC to configure a bias direction of a photodiode of the second IC to forward biased. A connectivity test between the first and secon...