Patent · US Expired

Vitreous material and semiconductor component incorporating same

US4409292A · kind A · utility

2Cited by
7References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 9, 1982
Grant dateOct 11, 1983
Priority date
Expiry dateJul 9, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C4/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A vitreous material suitable for coating a semiconductor component comprises, by weight: PA0 30% to 40% zinc oxide ZnO, PA0 15% to 30% lead oxide PbO, PA0 20% to 40% boron oxide B.sub.2 O.sub.3, PA0 5% to 20% silicon dioxide SiO.sub.2, PA0 2% to 10% aluminum titanate Al.sub.2 TiO.sub.5, and PA0 0% to 5% bismuth oxide Bi.sub.2 O.sub.3.

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