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Acktar Advanced Coatings
Acktar Advanced Coatings
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Black Coating Services

Acktar is a world leader in high emissivity / high absorptance black coatings for stray light suppression in high performance optics. The combination of a very low reflectance, high thermal stability, excellent adhesion, and low outgassing in a coating only microns thick is unique. Acktar coatings are suitable for essentially all engineering materials - metals and alloys, engineering polymers, silicon, glass, and ceramics.

 

Inorganic Coating for Visible and Near Infrared Spectrum
EUV UV VIS NIR

Magic Black, Vacuum Black

* Wide band performance
* Specular absorptance 99.99%
Unique wide band coating for UV ,VIS, SWIR, MWIR and LWIR
VISNIRSWIRMWIRLWIR

Unique wide band coating for UV ,VIS, SWIR, MWIR and LWIR.
A completely inorganic layer with very low thickness.
Coating for Medium and Low Infra Red Wavelengths
LWIR

Coating for medium and low infra red wavelengths with extremely low reflectance.
Selective Black Coating

Selective coatings with highly-controlled morphology delivers extraordinary stability and high thermal efficiency.
Wafer Level Light Absorbing Coating

Wafer level patternable light absorbing overcoat on wafers and serves to suppress stray light and optical cross-talk while accurately delineating detector element geometry.

 

Black Optical Coatings - Spectral Reflectance Comparison

All Acktar coatings can be applied directly on discrete components and on roll materials, except Metal Velvet Coating which can be provided as roll material only.


 
Low Reflectance Coatings
 

Optical Coating Types

 

Nano Black

Magic Black

Vacuum Black

Fractal Black

Ultra* Black

Coating thickness (m)

0.3 - 1

4 - 7

3 - 5

5 - 14

13 - 25

Working temperature

-70 C to
+250 C

-269 C to +350 C (4K to 623 K)

Weight of coating
(mg/m)

0.1 - 0.25

1.1 - 1.6

0.7 - 1.1

1.6 - 3.2

3.3 - 6.5

Abrasion resistance

moderate

light

moderate

moderate

moderate

Adhesion Coated pieces withstand scotch tape test (3M853 Crystal Clear tape, strength of 13N per 25mm), without any evidence of coating removal.
Outgassing:
1. CVCM (%) 0.001
2. RML (%) 0.2
Chemical content completely inorganic
Surface resistivity

≤2X106Ω/□

LIDT

Laser induced damage thresholds data

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.


* Ultra Black can be provided on planar parts only
** The data should be considered typical/representative only



Quick Quote - Parts Coating Service


Note: the values are average for above selected wavelength band

Part Dimensions:
Length: mm
Width:    mm
Height:  mm
Upload drawing (if available):
Define Areas to be Coated and or Masked (free from any coating).

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Immediate Need Quantity:

Projected Annual Requirements:
Operational Environmental Conditions:
Temperature: C
Humidity:        
Notes / Additional Requirements



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ACKTAR Ltd.1 Leshem St., Entrance A, P.O.B. 8643; Kiryat-Gat , 8258401Israel
Phone: +972-8-6814213Fax: +972-8-6810198E-mail: customer-support@acktar.com