Prism cold shield
US4812655A · kind A · utility
2Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 1987 |
| Grant date | Mar 14, 1989 |
| Priority date | — |
| Expiry date | Dec 9, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J5/06
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A prism cold shield adaptable to an infrared detector system comprising a prism-shaped substrate having an upper portion partially coated with opaque material and a lower portion partially coated with opaque material wherein windows formed by the upper and lower coatings defined the field of view for a plurality of infrared detectors thereby cold shielding the detectors in the linear direction of the detector array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.