Organic material with extremely narrow electron spin resonance line and gaussmeter probe or magnetometer using this material
US5070214A · kind A · utility
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3References
8Claims
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Key dates
| Filing date | May 30, 1989 |
| Grant date | Dec 3, 1991 |
| Priority date | — |
| Expiry date | May 30, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is an organic material with a very narrow electronic spin resonance (ESR) line. This material is formed by a 1, 2, 7, 8-tetrahydrocyclopentataperylene salt which may have, advantageously, undergone a heat treatment. The material can be applied to the fabrication of probes for gaussmeters and magnetometers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.