Patent · US Expired

Semiconductor device having a porous insulation film

US6218318A · kind A · utility

44Cited by
14References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 1998
Grant dateApr 17, 2001
Priority date
Expiry dateFeb 4, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S148/081
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device includes a porous interlayer insulation film including therein a stacking of SiO.sub.2 particles having a diameter in the range between about 5 nm and about 50 nm and stacked so as to form a void between adjacent particles, wherein the interlayer insulation film has a porosity in the range between about 13% and about 42%.

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