Patent · US Expired

Plasma etching of silicon using fluorinated gas mixtures

US6583063B1 · kind B1 · utility

43Cited by
22References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 1999
Grant dateJun 24, 2003
Priority date
Expiry dateMar 5, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/32137
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method of etching silicon using a plasma generated from a gas comprising fluorine (F), oxygen (O), hydrogen (H) and carbon (C).

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