Patent ID: 9553208
Date: 2017-01-24
CPC Classifications: G01R,H01L

Claim:
1. A current sensor device for sensing a measuring current, comprising: a semiconductor chip comprising a magnetic field sensitive element; an encapsulant embedding the semiconductor chip; a conductor configured to carry the measuring current, the conductor being electrically insulated from the magnetic field sensitive element; and a redistribution structure comprising a first metal layer, a second metal layer and a polymer layer extending between the first metal layer and the second metal layer, the first metal layer, the polymer layer and the second metal layer each extending in a horizontal direction, the first metal layer comprising a first structured portion which forms part of the conductor, the second metal layer comprising a third structured portion connected in a vertical direction through an opening in the polymer layer to the first structured portion and forming part of the conductor, wherein the first structured portion of the first metal layer and the third structured portion of the second metal layer are positioned below the magnetic field sensitive element and at least partially overlapping with the magnetic field sensitive element.