Patent ID: 11908735
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. The device of claim 1, wherein:
the cobalt-containing contact is a first cobalt-containing contact, the upper portion is a first upper portion, the lower portion is a first lower portion, and the cobalt-containing bulk layer is a first cobalt-containing bulk layer;
the device further includes a second cobalt-containing contact disposed directly on the second source/drain feature, wherein the second cobalt-containing contact includes a second cobalt-containing bulk layer, the second cobalt-containing contact has a second upper portion above the top surface of the gate structure, the second cobalt-containing contact has a second lower portion below the top surface of the gate structure, and the second upper portion is disposed in the first interlayer dielectric layer and the first contact etch stop layer; and
the gate structure is disposed between the first lower portion of the first cobalt-containing contact and the second lower portion of the second cobalt-containing contact.