Patent · US Expired

Method for forming silicon-containing insulation film having low dielectric constant treated with electron beam radiation

US7147900B2 · kind B2 · utility

1Cited by
16References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 2003
Grant dateDec 12, 2006
Priority date
Expiry dateJan 18, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/02274
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A silicon-containing insulation film is formed on a substrate by plasma reaction using a reaction gas including (i) a source gas comprising a silicon-containing hydrocarbon compound containing multiple cross-linkable groups, (ii) a cross-linking gas, and (iii) an inert gas, into a reaction chamber where a substrate is placed. The insulation film is then exposed to electron beam radiation, thereby increasing mechanical strength of the film without substantial alternation of its dielectric constant.

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