Patent · US Expired

Vertical fuse and method of fabrication

US6242789A · kind A · utility

24Cited by
2References
16Claims
0Family size

Assignees

Inventors

Key dates

Filing dateFeb 23, 1999
Grant dateJun 5, 2001
Priority date
Expiry dateFeb 23, 2019

Classification

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

Abstract

A fuse for semiconductor devices in accordance with the present invention includes a substrate having a conductive path disposed on a surface thereof, a dielectric layer disposed on the substrate and a vertical fuse disposed perpendicularly to the surface through the dielectric layer and connecting to the conductive path, the vertical fuse forming a cavity having a liner material disposed along vertical surfaces of the cavity, the vertical surfaces being melted to blow the fuse. Methods for fabrication of the vertical fuse are also included.

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