Thermometry employing gallium aluminum arsenide diode sensor
US4643589A · kind A · utility
1Cited by
21References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1985 |
| Grant date | Feb 17, 1987 |
| Priority date | — |
| Expiry date | Aug 9, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01K7/01
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A thermometer is described having a broad voltage-temperature characteristic rendering it useful in making temperature measurements from below 1.degree. K. to above 500.degree. K. The thermometer employs a gallium aluminum arsenide diode and displays improved sensitivity over more conventional diode devices. In addition to providing for improved polynomial fitting for calibration curve purposes, the diode also exhibits an advantageously low magnetic field dependence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.