Patent ID: 9691968
Date: 2017-06-27
CPC Classifications: H01L

Claim:
1. A magnetic memory comprising: a substrate; an electrode provided on the substrate; a first insulating film surrounding a side surface of the electrode, the first insulating film containing oxygen; a second insulating film provided between the electrode and the first insulating film, the second insulating film surrounding the side surface of the electrode, and the second insulating film containing nitrogen; a magnetoresistance effect element provided on an upper surface of the electrode, a lower surface of the magnetoresistance effect element being smaller than the upper surface of the electrode; a third insulating film provided on the magnetoresistance effect element, the third insulating film containing oxygen; and a first plug penetrating the third insulating film and the first insulating film to reach the substrate, wherein a portion of the first insulating film and a portion of the third insulating film contact each other around the first plug.