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US 12,414,278 B2Granted
Method for protecting IR transmitting windows and domes from EMI
AssigneeRaytheon Company
InventorsRalph Korenstein, Catherine Trent
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Abstract
Transparent IR conductive (TIRC) coatings used for EMI protection of, for example, longwave IR windows and domes are disclosed. In some non-limiting embodiments, the TIRC coating may be a BaCuSF coating. Related systems and methods are also disclosed.
Claims20
An electro-optical or infrared (EO/IR) sensor, comprising:
- an aperture having a substrate;
- a coating applied to a surface of the substrate, wherein the coating has:
- a thickness of between 0.5 μm and 5 μm;
- a radio frequency (RF) isolation at a RF level of 10 GHz or higher;
- and
- an IR transmission level of at least about 85%
- wherein the coating comprises the formula BaCuChF, wherein Ch is S, Se, or Te.
4 more elements
A method of protecting an EO/IR sensor from RF interference, comprising:
- depositing a coating on an aperture of the EO/IR sensor, wherein the coating is deposited such that the coating has:
- a thickness of between 0.5 μm and 5 μm;
- a radio frequency (RF) isolation at a RF level of 10 GHz or higher;
- and
- an IR transmission level of at least about 85%
- wherein the coating comprises the formula BaCuChF, wherein Ch is S, Se, or Te.
3 more elements
Dependencies are inferred from the claim text.