ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,258, issued on Oct. 6, was assigned to California Institute of Technology (Pasadena, Calif.).
"Three-dimensional on-chip magnetic sensor for oscillating magnetic fields" was invented by Saransh Sharma (Pasadena, Calif.), Hayward Melton (Hinsdale, Ill.) and Azita Emami (Pasadena, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A three-dimensional on-chip magnetic sensor includes first, second, and third coils. The first and second coils include respective planar spirals formed by metal layers and metal vias. Each planar spiral of the first coil includes first interconnected loops wound about a first axis, where neighboring first planar spirals a...