Resistor type physical quantity sensor having migration inhibiting pattern
US5332991A · kind A · utility
11Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1992 |
| Grant date | Jul 26, 1994 |
| Priority date | — |
| Expiry date | Nov 20, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C7/008
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A physical quantity sensor e.g., temperature sensor having a resistor pattern and a ceramic support carrying the resistor pattern. The resistor pattern has an ionizing component retention conductor pattern which is branched at its negative terminal side. The resistor pattern with branched pattern are stacked between the ceramic support layers. Migration in the resistor pattern is suppressed to prevent the resistance of the resistor pattern from being increased for assuring accurate measurement of temperature. The sensor is operated without cooling to 0.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.