ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,814, issued on July 8, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).
"Interposer circuit" was invented by Lee D. Whetsel (Parker, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure describes a novel method and apparatus for improving interposers that connected stacked die assemblies to system substrates. The improvement includes the addition of IEEE 1149.1 circuitry within interposers to allow simplifying interconnect testing of digital and analog signal connections between the interposer and system substrate it is attached too. The improvement also includes the additional 1149.1 controlled circuitry that allows real time monitori...