Photometer
US4714832A · kind A · utility
1Cited by
9References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 10, 1985 |
| Grant date | Dec 22, 1987 |
| Priority date | — |
| Expiry date | Jul 10, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J5/34
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Photometer with at least one measuring beam traversing a space that contains measuring gas is improved by a solid state detector made of a foil which is specifically made of polyvinyl-idene-fluoride or polyvinyl-fluoride or polyvinyl-chloride, and having an area, being at least as large as the cross-sectional area of the radiation that leaves the measuring and gas containing chamber; a measuring signal is extracted from the foil. The foil is preferably blackened and has a thickness between 6-10 micrometers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.