METHOD FOR DETECTING A THINNING OF THE SEMICONDUCTOR SUBSTRATE OF AN INTEGRATED CIRCUIT FROM ITS BACK FACE AND CORRESPONDING INTEGRATED CIRCUIT
Abstract:
The thinning of a semiconductor substrate of an integrated circuit from a back face is detected using the measurement of a physical quantity representative of the resistance between the ends of two electrically-conducting contacts situated at an interface between an insulating region and an underlying substrate region. The two electrically-conducting contacts extend through the insulating region to reach the underlying substrate region.
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