Patent ID: 11930720
Assignee: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
Field: Computer technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 10:
11. A magnetic random access storage unit, comprising:
a semiconductor substrate;
a first insulating medium layer formed on the semiconductor substrate;
a ferroelectric thin film layer disposed on the first insulating medium layer;
a bottom electrode formed on the ferroelectric thin film layer;
a tunnel junction formed on the bottom electrode;
a first metal interconnection portion connected to a first end of the bottom electrode;
a second metal interconnection portion connected to the ferroelectric thin film layer;
a third metal interconnection portion connected to a second end of the bottom electrode, the second end and the first end being respectively located on both sides of the bottom electrode;
a fourth metal interconnection portion connected to the tunnel junction;
a second insulating medium layer formed on the ferroelectric thin film layer;
a first via formed in the second insulating medium layer, the first metal interconnection portion being formed in the first via;
a second via formed in the first insulating medium layer, the second metal interconnection portion being formed in the second via;
a third via formed in the second insulating medium layer, the third metal interconnection portion being formed in the third via; and
a fourth via disposed on the tunnel junction and formed in the second insulating medium layer, the fourth metal interconnection portion being formed in the fourth via.