Patent ID: 8208229
Filing Date: 2012-06-26
Classification: B82Y,G01R,G11B,H01F,H01L,Y10T

Abstract:
1. A magneto-resistance effect element, comprising: a first magnetic layer; a first metallic layer, which is formed on said first magnetic layer, mainly containing an element selected from the group consisting of Cu, Au, and Ag; a first functional layer, which is formed on said first metallic layer, mainly containing an element selected from the group consisting of Si, Hf, Ti, Mo, W, Nb, Mg, Cr and Zr; a current confined layer including an insulating layer and a current path which are made by oxidizing, nitriding or oxynitriding for a second metallic layer, mainly containing Al, formed on said first functional layer; a third metallic layer, which is formed on said current confined layer, mainly containing an element selected from the group consisting of Cu, Au, and Ag; and a second magnetic layer which is formed on said third metallic layer.