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ITO-Coated PET Film

  • Pack of Twenty 250 mm x 200 mm x 0.2 mm Polyethylene Terephthalate (PET) Film Sheets
  • Conductive Indium Tin Oxide (ITO) Coating on One Side
  • High Transmission in the 400 nm - 2110 nm Wavelength Range


Pack of Twenty Sheets

Application Idea

ITO-Coated PET can be used as the conductive layer in a liquid crystal device.

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Item #OCF2520
Wavelength Range 400 - 2110 nm
Material Polyethylene Terephthalate (PET)
Coating (One Side) Indium Tin Oxide (ITO)
ITO Sheet Resistance Range* 350 - 500 Ω/sq
Sheet Size 250 mm × 200 mm
(9.84" × 7.87")
Size Tolerance ±0.5 mm
Sheet Thickness 0.2 mm (7.87 mils)
Thickness Tolerance ±0.01 mm
Surface Quality Coated Side: 40-20 Scratch-Dig
Uncoated Side: 60-40 Scratch-Dig
Maximum Operating Temperature 120 °C

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Typical transmission of one OCF2520 Sheet. Please note that the data given is typical, and performance may vary slightly from lot to lot.

Thorlabs' OCF2520 is a pack of twenty optically clear, Polyethylene Terephthalate (PET) Film Sheets that have a conductive Indium Tin Oxide (ITO) coating deposited on one side. The coating has a sheet resistance of 350 to 500 Ω/sq*, and each sheet is highly flexible and temperature resistant up to 120 ºC.

Measuring 250 mm x 200 mm x 0.2 mm (L x W x T) in size, our ITO-coated PET sheets provide high transmission in the 400 nm - 2110 nm spectral range. Please see the transmission plot to the right for details. The film has a surface quality of 40-20 scratch-dig on the ITO coated side and 60-40 scratch-dig on the uncoated side.

Each sheet is protected on both sides by a thin film that can be pulled off using the included red tabs. A multimeter can be used to verify the side with the conductive ITO coating.

ITO-coated PET films can be used in a number of different applications due to their high optical transmission and conductivity. They can be used in liquid crystal devices to provide a transparent, conductive layer that accepts the applied voltage used to realign the liquid crystal cells. The sheets are also commonly used as components for touchscreens, position sensors, electroluminescent lamps, and electrophoretic displays, as well as in electromagnetic shielding applications. 

*Sheet Resistance
Sheet resistance is defined as ρ/t: the resistivity (Ω*m) divided by the thickness (m) of the conductive ITO coating. The units are given as Ω/sq (Ohms per square) to differentiate the sheet resistance from the total resistance of some area of the film. The resistance of these films is given by:

R = Rs * (L/W)

where L and W are the length and width of the film, respectively, and Rs is the sheet resistance. For a square of the thin film, where L = W, the resistance of the film is equal to the sheet resistance regardless of size.

Posted Comments:
user  (posted 2018-05-30 11:57:18.21)
Hello, is there a maximum power input to the ITO heater? Max W/cm2? Thanks!
YLohia  (posted 2018-06-01 08:29:21.0)
Hello, we have yet to perform damage threshold testing on these units so, unfortunately, we don't have any recommendations at the moment for the maximum power density that this ITO heater can handle.
dominic.lepage  (posted 2016-10-27 15:44:29.5)
Hi, Would it be possible to have the thickness of ITO and PET on this film ? Thanks!
tfrisch  (posted 2016-11-01 10:41:08.0)
Hello, thank you for contacting Thorlabs. Each is about 75um. The remaining thickness would be adhesive, about 50um.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
OCF2520 Support Documentation
OCF2520ITO-Coated PET Film, 250 mm x 200 mm x 0.2 mm, 20 Sheets
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