Diamond-Like Carbon Coatings

Precision Optics Manufacturing: Diamond-Like Carbon Coatingsy

Diamond-Like
Carbon Coatings

High Hardness, Scratch and Corrosion Resistant

Deposited on Germanium, Silicon, and Other IR Materials

Increased Longevity of Harsh Environment Systems

Anti-reflective (AR) diamond-like carbon (DLC) coatings exhibit hardness and resistance to stress and corrosion similar to natural diamonds, making them ideal for harsh environments. DLC coatings provide high transmission in the infrared (IR) and a small friction coefficient, which improves wear resistance and lubricity. They are constructed from nano-composite carbon and are often used in defense applications and other systems exposed to potential scratches, stress, and contamination. World-class metrology ensures that all coatings meet your application needs. Edmund Optics^® DLC coatings are compliant with all military durability testing standards. What can we make for you?

DLC Coating Capabilities
Abrasion Resistance^*	Compliant with MIL-C-48497, MIL-F-48616, and MIL-C-675
Salt Fog Testing	90 Days+
Substrate Materials	Germanium, Silicon, and More

^*Tested by rubbing part with a standard eraser conforming to MIL-E-12397 with a bearing force between 2 – 2.5 lbs. applied normal to the coated surface. The part is tested for 20 – 200 strokes depending on the end application.

Typical Spectral Performance

Manufacturing Equipment

Intlvac chamber for substrates up to 20” in diameter

Metrology

In-house chambers for environmental testing
In-house testbed for wiper test
Fourier-transform infrared spectroscopy (FTIR) spectroscopy

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* The term dual use is often used to describe the types of items subject to the EAR (Export Administration Regulations). A dual use item is one that has civil applications as well as military or weapons of mass destruction (WMD)-related applications.

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