Thermistor
US8502638B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2012 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | Feb 5, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C7/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A thermistor includes a resistive device, a first insulation layer, a first electrode, a second electrode and a first heat-conductive layer. The resistive device includes a first electrically conductive member, a second electrically conductive member and a polymeric material layer laminated therebetween. The polymeric material layer exhibits positive temperature coefficient (PTC) or negative temperature coefficient (NTC) behavior. The first insulation layer is disposed on the first electrically conductive member. The first electrode is electrically coupled to the first electrically conductive member, whereas the second electrode is electrically coupled to the second electrically conductive member and is insulated from the first electrode. The first heat-conductive layer is disposed on the first insulation layer, and has a heat conductivity of at least 30 W/m-K and a thickness of 15-250 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.