ITO 

Indium tin oxide is used to produce transparent, electrically conductive coatings

Indium Tin Oxide (ITO) coatings are designed to produce an electrically conductive surface while maintaining high transparency in the visible spectral range. Due to the semiconductor properties of this material, ITO is also effective in reflecting long-wave IR radiation. With its dual characteristics of transparency and electrical conductivity in the visible range, indium tin oxide can be used in a wide variety of applications. Indium Tin Oxide serves well in preventing electrostatic discharge (ESD). Furthermore, it finds application as a heating resistor or for contacting electrical panels. Additionally, the ITO coating exhibits infrared radiation reflection properties. Due to its high refractive index, ITO boasts exceptional reflectivity. ITO coatings are also suitable for the electrical activation of liquid crystals in micro-displays.

If required, we can also apply a passivation layer of silicon dioxide SiO2 before coating with ITO. This very thin layer applied between the glass substrate and the ITO coating increases the electrical insulation. The layer also serves as protection, e.g. in LCD display applications, so that alkali oxides from the glass cannot migrate into liquid crystals.

Bte Born - ITO coating

Advantages of coatings with ITO (indium tin oxide)

  • Coating of indium, oxygen and tin (indium oxide / In2O3 and tin oxide / SnO2)
  • Transparent, conductive layers
  • Avoidance of static charges (ESD)
  • High transmission in the visible and near infrared range
  • High reflection in the infrared spectrum from approx. 1500 nm (can be reduced by additional layers if required)
  • High stability against environmental influences and temperature
  • Very low specific resistance
  • ITO coatings can be contacted
  • Coating of ITO-coated substrates according to customer specifications and with dimensions as required (up to 550 x 550 mm)
  • Substrates that we coat with ITO: Glass, polycarbonate, possibly other plastics
  • Application to flexible substrates possible

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Typical applications of ITO-coatings

  • Contacting electrical panels
  • Optically permeable heating glass (e.g. for applications in oven interiors)
  • Display technology (screens, micro-displays)
  • wafers
  • X-ray applications
  • Electromagnetically shielded windows or touchscreens in vehicles
  • EMC shielding / EMI shielding
  • Electroluminescent displays
  • Microscopy
  • ITO-coated microscope slides
  • Heating applications / electrically heatable components
  • Heating resistor
  • Antistatic applications
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