Patent ID: 8492881
Filing Date: 2013-07-23
Classification: G11C,H01L

Abstract:
1. A magnetic storage device comprising: a die including: a substrate; a first wiring which is formed over the substrate and has a part extending in one direction; a second wiring which is formed over the substrate, intersects the first wiring in a plan view and is separate from the first wiring in the thickness direction of the substrate; a magnetic storage element at least part of which is sandwiched between the first and second wirings in a region where the first and second wirings intersect each other with a space therebetween; and a first magnetic shielding structure which is formed to cover the magnetic storage element in a plan view; second and third magnetic shielding structures which sandwich the die in the thickness direction; and a lead frame member which has the die mounted thereon, and contains a ferromagnetic material, wherein the lead frame member overlaps with only part of the die in a plan view.