Patent · US Active

Semiconductor chips with seal rings and electronic test structures, semiconductor wafers including the semiconductor chips, and methods for fabricating the same

US9728474B1 · kind B1 · utility

9Cited by
9References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 2016
Grant dateAug 8, 2017
Priority date
Expiry dateSep 28, 2036

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10N50/10
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor chip includes an active area including a plurality of integrated circuit structures, a seal ring enclosing the active area, a corner area of the semiconductor chip that is outside of the seal ring, and an electronic test structure disposed within the corner area. Semiconductor wafers including the above-noted semiconductor chips, as well as methods for fabricating semiconductor wafers including the above-noted semiconductor chips, are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.