Patent ID: 9530823
Filing Date: 2016-12-27
CPC Classification: H01L

Claim Text:
1. A memory device, comprising: an ion metal layer containing a first metal; an electrode; a resistance change layer disposed between the ion metal layer and the electrode; a first layer disposed in a central portion of a space between the ion metal layer and the resistance change layer, the first layer containing a second metal; a second layer disposed in an end portion of the space, the second layer containing the second metal, and at least one selected from oxygen and nitrogen; and a stacked body including the resistance change layer, the first layer, the second layer, and the ion metal layer, outer side surfaces of each of the resistance change layer, the second layer, and the ion metal layer of the stacked body being aligned along an entire length of the outer side surfaces, and the end portion being a peripheral portion provided around the central portion.