Ultra BlackTM Coating

LWIR Absorbtance

  • MWIR-LWIR
  • For extreme long wave IR
  • Typical application: cryogenics cooled IR detectors, remote sensing, LWIR cameras and space telescopes
  • Essentially zero outgassing
  • Maintain high emissivity also at cryogenic temperatures
  • Vacuum and thermal-vacuum cycling compatible
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Specifications
Adhesion
Metals, glass, ceramics, polymers
Adhesion test (ref ECSS-Q-ST-13C)
Coated pieces withstand scotch tape test (3M853 Crystal Clear tape, strength of 13N per 25mm), without any evidence of coating removal.
Outgassing CVCM (%)
0.001
Outgassing RML (%)
0.2
Coating chemical content
Completely inorganic
Surface resistivity
≤2X10^6Ω/□
Cleanability
Coated pieces withstand cleaning with ethanol, IPA or acetone with no change in optical and technical characteristics. Magic Black™, Metal Velvet™ and Litho Black™ should be cleaned very gently.
Parts shape
Planar
LIDT
NA
Humidity Resistance
MIL-C- 48497A
Certificates
ROHS, REACH, ISO 9001:2015, AS9100
Typical Properties

Ultra black coating reflectance chart

 

Operational wavelengths
MWIR-LWIR
Coating thickness
13-25µm
Emissivity 3-10µm
>98
Emissivity 3-30µm
>93
Working temperature (°C)
-269 to 380 (°C)
Working temperature (°K)
4 to 653 (°K)
Weight of coating (mg/cm²)
3.3 - 6.5 (mg/cm²)
moderate Abrasion resistance
(ref MIL-C-48497A)Magic Black™, Metal Velvet™ and Litho Black™ should be cleaned very gently.
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