Patent ID: 11967611
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. An electronic device, comprising:
a substrate defining a trench;
a capacitor structure disposed in the trench, and including a high-k dielectric layer, wherein a material of the high-k dielectric layer is represented by a formula of AxB1-xO, wherein A includes hafnium (Hf), zirconium (Zr), lanthanum (La) or tantalum (Ta), B includes lanthanum (La), aluminum (Al) or tantalum (Ta), A is different from B, O is oxygen, and x is a number less than 1 and greater than 0;
a pad disposed above the substrate and electrically connected to the capacitor structure; and
a conductive through via extending through the substrate and electrically connected to the pad.