Patent · US Expired

Hermetic protection for integrated circuits

US5481135A · kind A · utility

65Cited by
13References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1994
Grant dateJan 2, 1996
Priority date
Expiry dateMar 10, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

This invention relates to integrated circuits which are protected from the environment. Such circuits are hermetically sealed by applying ceramic layers to the top metallization.

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