Varistor having interleaved electrodes
US5235310A · kind A · utility
15Cited by
8References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1990 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Jun 26, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C7/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A multilayer varistor has interleaved layers of ceramic material and electrode material. Each electrode layer is sandwiched between two ceramic layers. The ceramic material includes zinc oxide, ceramic structure influencing additives selected from the group consisting of bismuth oxide, boron oxide, chromium oxide, cobalt oxide, manganese oxide and tin oxide, and a grain growth influencing additive selected from the group consisting of antimony oxide, silicon dioxide and titanium dioxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.