Infrared ray receiving element and infrared ray sensor using the same
US6399947B2 · kind B2 · utility
2Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2000 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | Dec 12, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J5/34
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An infrared ray receiving element includes a substrate made of a pyroelectric material and having at least one cantilever portion surrounded by a slit, in which at least a part of the cantilever portion in the substrate is uniformly polarized in the same direction and the remainder in the substrate includes a portion polarized at random. At least a pair of electrodes are respectively provided on a top surface and a bottom surface of the cantilever portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.