IR EMITTER DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Feb 7, 2023
filing date -
Feb 7, 2023
priority date (Note) -
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Abstract
An IR emitter device includes an IR emitting membrane having a first surface and a second surface, and a mirror facing the first or second surface. The IR emitting membrane is arranged to be heated to an IR emission temperature so that the first and second surfaces radiate IR light at the IR emission temperature. The emissivity of the first and second surfaces is lower than 0.7. At least a portion of the IR emitting membrane includes through holes. Any cross section of said holes in a plane parallel to the first or second surface has a maximum dimension larger than the longest wavelength of the predefined region of the electromagnetic spectrum for which the IR emitter device has been designed. The sum of the areas of the holes is at least 10% of the area of each of the first or second surfaces.
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