Patent ID: 11881503
Assignee: FUJIAN JINHUA INTEGRATED CIRCUIT CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A semiconductor memory device comprising
a plurality of first electrodes, having opposite sidewalls;
a first high-k dielectric layer, disposed on the opposite sidewalls of each of the first electrodes;
a supporting layer, disposed between the first high-k dielectric layer disposed on the opposite sidewalls to connect with thereto;
a second high-k dielectric layer, disposed on the first electrodes, the first high-k dielectric layer and the first supporting layer; and
a second electrode, disposed on the second high-k dielectric layer;
wherein the first high-k dielectric layer has two opposite sidewalls being respectively contacting the first electrodes, and sidewalls of the supporting layer and the second high-k dielectric layer.