Multilayer varistor having a field-optimized microstructure
US11195643B2 · kind B2 · utility
1Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2019 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | Jul 2, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C7/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In an embodiment a multilayer varistor includes a ceramic body made from a varistor material, wherein the ceramic body includes a plurality of inner electrodes, first regions and second regions, wherein the varistor material in the first regions has a first average grain size DA, wherein the varistor material in the second regions has a second average grain size DB, and wherein DA<DB.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.