Patent · US Expired

Zinc oxide non-linear resistor

US4477793A · kind A · utility

12Cited by
11References
2Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 29, 1983
Grant dateOct 16, 1984
Priority date
Expiry dateJun 29, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01C7/112
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A voltage non-linear resistor in the form of a sintered body is disclosed. The sintered body is comprised of 0.08 to 5.0 atomic % of a rare earth element, 0.1. to 10 atomic % of cobalt, 5.times.10.sup.-4 to 1.times.10.sup.-1 atomic % of boron and an additional component which may be 0.01 to 5.0 atomic % of magnesium or calcium and/or 1.times.10.sup.-4 to 5.times.10.sup.-2 atomic % of aluminum, gallium or indium. The remainder of the sintered body is comprised of zinc oxide. The sintered body provides a small voltage non-linear resistor with high discharge current withstand capability and good life performance.

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