Infrared absorptive material, infrared sensor, wavelength selective light source, and radiation cooling system
US11112314B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Mar 16, 2020 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Mar 16, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/26
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided is an infrared absorptive material having a high refractive index layer that has a refractive index of 3.0 or higher for infrared light at any wavelength in the wavelength range of 2 μm to 50 μm and has a thickness of 8 nm to 15,000 nm; and a reflective layer positioned on one face of the high refractive index layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.