Patent · US Expired

Word line strap layout structure

US6909131B2 · kind B2 · utility

1Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 2003
Grant dateJun 21, 2005
Priority date
Expiry dateMay 30, 2023

Classification

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

Abstract

A word line strap layout structure is described, comprising an isolation post, a word line, a contact and a metal line. The isolation post is located on a substrate between two memory areas. The word line crosses over the substrate and the isolation post, and the contact is located on the word line over the isolation post, wherein the isolation post and the contact are of the same scale in size. The metal line is located over the substrate electrically connecting with the word line via the contact.

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