Patent ID: 11915991
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A semiconductor device, comprising:
a substrate;
a lid structure disposed on the substrate, wherein the lid structure comprises:
a first heat spreader attached to the substrate, wherein the first heat spreader comprises a first body portion and recesses recessing from a top surface of the first body portion;
a second heat spreader, wherein the second heat spreader comprises a second body portion and protrusions protruding from a bottom surface of the second body portion, and the protrusions of the second heat spreader are engaged with the recesses of the first heat spreader; and

a package structure located between the substrate and the lid structure, wherein the first heat spreader is spatially separated from the package structure.