Litho BlackTM Coating

  • peternable coating - etching or lift-off compatible
  • Tailorable electrical resistivity – conductor or insulator
  • 3 micron feature sizes
  • Virtually any substrate – silicon, glass, metal and polymer
  • Extremely low outgassing
  • Compatibility with lithographic process chemicals (details upon request)
  • Low emperature process
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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 (%)
Outgassing RML (%)
Coating chemical content
Completely inorganic
Surface resistivity
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
Humidity Resistance
MIL-C- 48497A
ROHS, REACH, ISO 9001:2015, AS9100
Typical Properties

Litho black coating reflectance chart

Litho Black reflectance chart infrared


Operational wavelengths
Coating thickness
NA Emissivity
Working temperature (°C)
-269 to 380 (°C)
Working temperature (°K)
4 to 653 (°K)
Weight of coating (mg/cm²)
0.3 - 1.1 (mg/cm²)
moderate Abrasion resistance
(ref MIL-C-48497A)
Additional Details

Litho-BlackTM  coating combines very high absorptance in the UV, VIS and IR wavelength bands and compatibility with photolithographic processing.

Composed exclusively of non-ferrous metals and non-ferrous metal oxides, Litho-BlackTM is completely inorganic and does not incorporate any organic materials or other chemicals and no such materials are used in the generation of the coatings.

Application examples:

1 – IR Pyroelectric Detector Array Wafers:

  • More IR absorbed
  • More heat into pyro-layer
  • Higher detector sensitivity

2 – 1024 Element Uncooled Linear Array Wafer:

  • Electrically insulating, low reflective coating covering the entire surface; leaving accurately sized windows over the elements
  • Generates uniform element width for uniform element response by covering spare edges.
  • Non-sensitive areas covered with low reflectivity coating for stray light suppression.
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