Patent · US Active

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 dateMar 16, 2020
Grant dateSep 7, 2021
Priority date
Expiry dateMar 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.