Inspection lamp with thin-film dichroic filter
US5905268A · kind A · utility
63Cited by
13References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1997 |
| Grant date | May 18, 1999 |
| Priority date | — |
| Expiry date | Apr 21, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J3/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An inspection lamp for detection of a fluorescent material which absorbs electromagnetic energy in a specific excitation frequency band and which emits electromagnetic energy in a specific fluorescent emission frequency band within the visible light spectrum. The lamp includes a bulb housing, a light source within the bulb housing, and a dichroic filter. The dichroic filter is adapted to transmit electromagnetic radiation in the excitation frequency band of the fluorescent material and reflect electromagnetic radiation in the fluorescent emission frequency band of the material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.