Electro-optical ion detector for a scanning mass spectrometer and method of making same
US5053621A · kind A · utility
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3References
6Claims
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Key dates
| Filing date | Nov 19, 1990 |
| Grant date | Oct 1, 1991 |
| Priority date | — |
| Expiry date | Nov 19, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An improved electro-optical ion detector comprising a channel electron multiplier assembly located at the angled focal plane of the magnetic sector of a scanning mass spectrometer with a twisted fiberoptic window with a means for precisely optically coupling the assembly to the twisted fiberoptic window. Means are provided for precisely spacing the entrance end of said twisted fiberoptic window in the form of a foil of a selected thickness. Also disclosed is a method for making an improved electro-optical ion detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.