Magnetoresistive device and method of manufacturing same and thin-film magnetic head and method of manufacturing same

摘要

A read head comprises: an MR element that detects a magnetic field; a pair of electrode layers for feeding a sense current to the MR element; and a bottom shield layer and a top shield layer that sandwich and shield the MR element and the electrode layers; a bottom insulating layer disposed between the MR element/the electrode layers and the bottom shield layer; a top insulating layer disposed between the MR element/the electrode layers and the top shield layer; a bottom semiconductor layer that is made up of a single layer and disposed between the electrode layers and the bottom shield layer, for connecting the electrode layers and the bottom shield layer; and a top semiconductor layer that is made up of a single layer and disposed between the electrode layers and the top shield layer, for connecting the electrode layers and the top shield layer.