Patent · US Expired

Semiconductor device with dummy wiring layers

US6504254B2 · kind B2 · utility

15Cited by
9References
35Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 30, 2001
Grant dateJan 7, 2003
Priority date
Expiry dateApr 30, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device 100 has wiring layers 20a and 20b and a plurality dummy wiring sections 30 provided at the same level where the wiring layers 20a and 20b are formed. The dummy wiring sections 30 have at least one through hole 32.

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