Photoionization detector lamp and its method of manufacture
US12405246B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 15, 2023 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Feb 16, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/642
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Embodiments are provided for ultraviolet lamps for use in photoionization detectors and methods of manufacturing same. An example method of manufacturing an ultraviolet lamp includes providing a glass tube, the glass tube defining a first end; applying a mixed powder coating composition onto an edge surface of the first end of the glass tube, the mixed powder coating composition comprising indium powder and glass powder; applying a glass powder coating composition over the mixed powder coating composition; attaching a crystal window to the edge surface of the first end of the glass tube; and heating the glass tube and the crystal window to seal the crystal window to the glass tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.