Mass spectrometery calibrant liquid container level sensing
US11982654B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Nov 4, 2021 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | Aug 9, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N30/8665
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Determining a level of a liquid in a container is described. In one aspect, a container includes a calibrant liquid used for calibrating a mass spectrometer. A conductive layer is placed to float upon the calibrant liquid, and a circuit board with electrodes is arranged around the container. A controller circuit then drives and measures various electrodes to first identify which two electrodes the level of the calibrant liquid is between, and then subsequently identify a more precise location for the level between the two electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.