Patent ID: 11908796
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A semiconductor device, comprising:
a substrate comprising a dense region and an isolation region;
a first metal layer disposed over the substrate and comprising:
a plurality of first metal patterns located in the dense region, wherein the first metal patterns are separated from each other, and at least one of the first metal patterns includes at least one dielectric portion therein; and
a second metal pattern located in the isolation region;

a dielectric layer disposed on the first metal layer; and
a second metal layer disposed on the dielectric layer, comprising:
a third metal pattern located in the dense region; and
a fourth metal pattern located in the isolation region, wherein a thickness of the third metal pattern is less than a thickness of the fourth metal pattern.