ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,920, issued on June 2, was assigned to ROBERT BOSCH GMBH (Stuttgart, Germany).

"Method for determining wear in an electronic unit, and test apparatus" was invented by Andreas Schmidtlein (Tamm, Germany) and Simeon Lange (Mundelsheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for determining wear in an electronic unit, in particular a power electronics unit, which includes at least one electronic component, in particular a semiconductor component, capacitor or the like. The unit is subjected to a test procedure in which at least two predefinable electrical load cycles are applied to the unit, in which cycles the unit is operated ...