Patent · US Expired

Encapsulant composition

US5114885A · kind A · utility

6Cited by
4References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 16, 1991
Grant dateMay 19, 1992
Priority date
Expiry dateApr 16, 2011

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2201/017
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A crystallizable glass composition comprising ZnO, PbO, B.sub.2 O.sub.3, SiO.sub.2, SnO.sub.2 and optionally Al.sub.2 O.sub.3 and/or Cr.sub.2 O.sub.3.

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