Patent ID: 11901306
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A semiconductor structure, comprising:
a plurality of product regions over a semiconductor substrate;
a plurality of alignment regions over the semiconductor substrate;
a plurality of first features formed in a material layer over the semiconductor substrate; and
a plurality of second features formed in the material layer and within the product regions,
wherein each of the alignment regions is surrounded by and in physical contact with four of the product regions of a group, each of the product regions in the group is adjacent to and in physical contact with two other product regions,
wherein each of the first features extends across two adjacent product regions in the group, and each of the second features is disposed within one of the product regions, and wherein the first features are spaced apart from the second features,
wherein the product regions are disposed in rows and columns of a first array, and the alignment regions are disposed in rows and columns of a second array, and the first and second arrays have a same center point.