Patent ID: 9711716
Date: 2017-07-18
CPC Classifications: H01L

Claim:
1. A method for manufacturing a magnetic memory device, the method comprising: forming a first interlayer insulating layer on a substrate; forming a first conductive pattern that penetrates the first interlayer insulating layer; forming a mold insulating layer on the first interlayer insulating layer, the mold insulating layer comprising: a first mold insulating layer in contact with the first conductive pattern; and a second mold insulating layer on the first mold insulating layer; forming a second conductive pattern that penetrates the first and second mold insulating layers and the first interlayer insulating layer; forming a magnetic tunnel junction pattern on the second conductive pattern; forming a second interlayer insulating layer that covers the magnetic tunnel junction pattern on the second mold insulating layer; and forming a third conductive pattern that penetrates the second interlayer insulating layer, the second mold insulating layer, and the first mold insulating layer to be in contact with the first conductive pattern, wherein the first mold insulating layer is formed by a first process at a first temperature, wherein the second mold insulating layer is formed by a second process that is different from the first process at a second temperature that is greater than the first temperature, wherein the first temperature is about room temperature, wherein the first conductive pattern extends from a top surface to a bottom surface of the first interlayer insulating layer, and wherein the second conductive pattern extends from a top surface of the second mold insulating layer to the bottom surface of the first interlayer insulating layer.