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Oleophobic Anti-Reflection Coatings

Non-reflective glass with anti-fingerprint coating

ARC-O Series

Special Properties

  • Highly efficient anti-reflection coating on both sides
  • Permanent oleophobic (oil-repellent) on the user side
  • Fingerprints are much less visible than on conventional anti-reflective glasses
  • Excellent light transmission
  • Oil, liquid and dirt repellent
  • Extremely durable oleophobic effect
  • Contact angle of water > 110
  • High chemical resistance
  • Easy to clean
  • The exceptionally smooth surface of the oil-repellent side minimizes wear and friction
  • High abrasion-resistance and durability

Typical Applications

  • Touchscreens
  • Touch displays in public areas
  • Measuring instrument windows
  • Displays in medical technology
  • High-quality device windows
  • Water repellent camera windows
  • Automotive Touch Displays

Related Products

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A multitude of unique properties characterizes the oleophobic optical anti-reflection coating of our ARC-O Das Bild zeigt einen mit einem teildurchlässigen Spiegel aufgeteilten Laserseries. Both sides of the high-quality substrate glass are coated with an anti-reflection coating optimized for visible light. On the surface of the operator side, there is a durable and resistant oleophobic coating with an anti-fingerprint effect, which also repels liquids and dirt.

Conventional anti-reflective coated display glasses increases the contrast of a display by minimizing the reflection of the glass surfaces and maximizing the light transmission. However, as soon as a user touches a non-reflective screen, fingerprints leave visible marks on the anti-reflective coating. This disturbing effect on image reproduction and aesthetics is a well-known problem, especially with touch displays in public spaces. The single side oleophobic and double-sided anti-reflection coating of the ARC-O series offers an optimal solution for such applications because it reduces the visibility of fingerprints by up to 90%. The adhesion of dirt and liquids is also much less than with conventional anti-reflective coated glasses.

The oil and liquid repellent coating is extremely durable and resists hundreds of thousands of friction cycles in the MIL-C 675C abrasion test. Hence, it can easily be cleaned with a soft, dry cloth. The broadband and high light transmission supported by the high-quality iron-reduced selected white float substrate glass of the ARC-O coating ensures an almost loss-free, excellent imaging quality.

To send us an inquiry for our fingerprint repellent oleophobic anti-reflection coating of the ARC-O series, please select a thickness from the table or click the button below:

 

Request for Quotation

48h-Express Service Also available in 48 h Express-Service

 

Specifications


Typical transmission of the ARC-O
oleophobic anti-reflection coating

Uncoated window compared to ARC anti-reflection coating
Enlarge curve to show details


Standard thicknesses

(Please click on a glass thickness to request a quote)

Thickness (mm)

Tolerance

48h-Express Service
2,00 ±0,20
3,00 ±0,20
4,00 ±0,20
Custom thicknesses on request
The thicknesses marked with "" are also available within 48–h Express Service.

Anti-Reflection Coating and Coating Structure

  • Ravg </= 1 % at 420-670 nm at i = 0° per side
  • Two sides with anti-reflection coating
  • One side with an additional oleophobic layer

Oleophobic Coating

  • Abrasion-resistant according to MIL-C 675C:
    450000 friction operations
  • Resistance to salt spray: > 90 days
  • Sweat-resistant, according to ABREX® test:
    Exceeds the requirements for painted and unpainted plastic parts in the automotive industry according to
    DIN EN 60068-2-70/IEC 68-2-70

Surface Quality

  • better than 80-50 scratch & dig (MIL-0-13830A)
  • Higher surface quality on request

Other Specifications

  • The anti-reflection coatings are adhesive according to MIL-C-675C (tape test) and abrasion-resistant according to MIL-M-13508C

Cleaning instructions

  • Suitable clean mechanical aids:
    • soft cloths, sponges, chamois leather, plenty of water
  • Suitable cleaning liquids for normal contamination:
    • Water
    • Surfactant-containing washing-up liquids
    • Ammonia-based glass cleaner
    • Mild alkaline detergents
  • Suitable solvents for heavy soiling:
    • Ethanol
    • Do not use acetone!
  • Avoid:
    • Strongly alkaline lyes
    • Acids
    • Cleaning agents containing fluoride
    • Coarse cleaning aids such as scouring agents, steel wool, blades or other hard objects

Further information is available upon request.

All given details and specifications are mean reference values and are not guaranteed. Also, please consider our "Notes on specifications".

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