Infra-red detector
US4575631A · kind A · utility
8Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 13, 1984 |
| Grant date | Mar 11, 1986 |
| Priority date | — |
| Expiry date | Aug 13, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N19/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An infra-red detector or sensor comprises a wafer (11) of single crystal silicon in one surface of which pyramidal pits (12) forming a two-dimensional array are etched. The pits form horn aerial elements whereby radiant energy is directed to bolometers (14) one disposed at the throat of each horn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.