Patent ID: 11923273
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The method of claim 1, further comprises:
forming a first contact via from a top of the first first metal strip to a third plane between the first plane and the second plane;
forming a first third metal strip and a second third metal strip extending in a second direction on the third plane, wherein the first third metal strip is formed on a top of the first contact via; and
forming a second contact via from a top of the first third metal strip and a top of the second third metal strip to the second plane;
wherein forming the plurality of second metal strips extending in the first direction on the second plane above the first plane by executing the photolithography operation with the single mask comprises:
forming the first second metal strip on top of the second contact via.