ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,285, issued on March 25, was assigned to Analog Devices Inc. (Wilmington, Mass.).
"Package stress sensor" was invented by George Pieter Reitsma (Redwood City, Calif.) and Kalin V. Lazarov (Colorado Springs, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor-based stress sensor can include a bipolar transistor device with first and second collector terminals. An excitation circuit can provide an excitation signal to an emitter terminal of the bipolar transistor device, and a physical stress indicator for the semiconductor can be provided based on a relationship between signals measured at the collector terminals in response to the ...