Resistor element with PTC properties and high electrical and thermal conductivity
US7902958B2 · kind B2 · utility
1Cited by
14References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 20, 2009 |
| Grant date | Mar 8, 2011 |
| Priority date | — |
| Expiry date | Feb 1, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C7/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A resistor element with a ceramic body that has PTC properties is specified. At least one main surface of the ceramic body has an arrangement of depressions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.