Contact: Lee Siegel
University of Utah
Caption: An inexpensive and highly accurate "spintronic" magnetic field sensor developed at the University of Utah is shown here. The entire device, on a printed circuit board, measures about 0.8 inches by 1.2 inches. But the part that actually detects magnetic fields is the reddish-orange thin-film semiconductor - essentially "plastic paint" - near the center-right of the device.
Credit: Christoph Boehme, University of Utah
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Related news release: A 'dirt cheap' magnetic field sensor from 'plastic paint'