Patent ID: 11968908
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A device comprising:
a first inter-metal dielectric over a semiconductor substrate, the semiconductor substrate comprising active devices;
a first conductive feature extending through the first inter-metal dielectric, the first conductive feature electrically connected to the active devices;
a first bottom electrode over the first conductive feature;
a first magnetic tunnel junction stack over the first bottom electrode;
a first top electrode comprising:
a first conductive layer over the first magnetic tunnel junction stack;
a dielectric layer over the first conductive layer; and
a second conductive layer over the dielectric layer;

a second inter-metal dielectric over the first top electrode; and
a second conductive feature extending through the second inter-metal dielectric, the second conductive feature contacting the first top electrode.