Patent · US Expired

Protective layer for high voltage devices

US5107323A · kind A · utility

29Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 1991
Grant dateApr 21, 1992
Priority date
Expiry dateMay 16, 2011

Classification

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

Abstract

A semi-insulating layer is formed over a high voltage device in order to protect the device substrate from charge buildup. A layer comprising silicon oxynitride is deposited over the semi-insulating layer in order to prevent arcing between device electrodes and provide corrosion resistance.

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