Patent · US Expired

Narrow line width pattern fabrication

US4550257A · kind A · utility

22Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 1984
Grant dateOct 29, 1985
Priority date
Expiry dateJun 29, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S977/857
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The formation of lines of the order of 8 Angstroms wide is achieved using a tunneling current through a gas that changes to provide a residue that is the basis of the line. The tunneling current energy is tuned to the energy required to dissociate the gas.

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