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| itoCoatedGlassSub.transRsLabel | itoCoatedGlassSub.transLabel | itoCoatedGlassSub.transThickness | itoCoatedGlassSub.transApp |
|---|---|---|---|
| 5 Ω/sq | > 80% | ~280nm | EMI shielding, high-current electrodes |
| 15 Ω/sq | > 83% | ~150nm | OLED anodes, touch panels |
| 20 Ω/sq | > 85% | ~120nm | Display electrodes, solar cells |
| 100 Ω/sq | > 90% | ~25nm | Biosensors, anti-static coatings |
| 500 Ω/sq | > 95% | ~5nm | Research, low-current electrodes |
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| itoCoatedGlassSub.specParam | itoCoatedGlassSub.specValues |
|---|---|
| Base Substrate | Soda-Lime Glass, Borofloat 33, Fused Silica, Sapphire, Silicon (with SiO₂ barrier) |
| Coating Material | ITO (In₂O₃:SnO₂, 90:10 wt%) |
| Deposition Method | DC/RF Magnetron Sputtering, E-beam evaporation optional |
| Sheet Resistance | 5, 10, 15, 20, 50, 100, 200, 500 Ω/sq, ±10% tolerance |
| Thickness | ITO: 50nm–300nm; Custom thickness available |
| Transmission @ 550nm | > 85% for 20 Ω/sq, > 90% for 100 Ω/sq |
| Substrate Diameter | 100mm, 150mm, 200mm, 300mm; custom rectangular up to 400×500mm |
| Within-Wafer Uniformity | Rs ±5%, T ±2% |
| Adhesion | Passes Scotch tape test, MIL-STD-883 |
| Surface Roughness | RMS < 1nm |
| Haze | < 1% for display-grade |
| Work Function | 4.4–4.8 eV |
| Patterning Options | Unpatterned, patterned (wet etch or laser) |
| Environmental Stability | Thermal stability up to 300°C in air |
| Packaging | Interleaved, vacuum-sealed, Class 100 |
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Touch Panels & Displays
ITO-coated glass is the dominant transparent electrode technology in capacitive touch panels for smartphones, tablets, and automotive infotainment systems. Patterned ITO rows and columns create the projected-capacitance matrix that detects multi-touch input with sub-millisecond response. For LCD and OLED displays, ITO serves as the transparent pixel electrode, requiring sheet resistance below 20 Ω/sq to minimize RC delay across large-format panels.
OLED Lighting & Displays
ITO anodes with high work function (4.4–4.8 eV) provide efficient hole injection into organic semiconductor layers in both OLED displays and solid-state lighting panels. For top-emission OLED architectures, ITO on glass with anti-reflection coatings achieves > 90% transmission while maintaining < 15 Ω/sq — critical for high-brightness smartphone displays at 500+ nits.
Thin-Film Solar Cells
ITO front contacts are standard in thin-film photovoltaic technologies including amorphous silicon (a-Si), cadmium telluride (CdTe), and perovskite solar cells. The trade-off between sheet resistance (series resistance loss) and optical transmission (photocurrent generation) is carefully optimized for each cell architecture. For tandem perovskite-silicon cells, ITO recombination layers with precisely tuned work function enable efficient carrier transport between sub-cells.
EMI/RFI Shielding
ITO-coated substrates provide optically transparent electromagnetic interference (EMI) shielding for displays and windows in military, aerospace, and medical equipment. At 5 Ω/sq, ITO films achieve > 30 dB shielding effectiveness from 100 MHz to 10 GHz while maintaining > 80% visible transmission — essential for cockpit displays, MRI room windows, and secure facility observation ports.
Biosensors & Lab-on-Chip
ITO electrodes are widely used in electrochemical biosensors, impedance-based cell monitoring, and microfluidic lab-on-chip platforms due to their combination of electrical conductivity, optical transparency (enabling simultaneous optical microscopy), and biocompatibility. ITO working electrodes functionalized with enzymes, antibodies, or aptamers enable amperometric detection of glucose, neurotransmitters, and pathogen DNA.
Electrochromic & Smart Windows
ITO-coated glass serves as the transparent conductor on both sides of electrochromic devices that modulate visible and near-IR transmission under applied voltage. Smart windows for energy-efficient buildings utilize ITO/electrochromic/ITO stacks on meter-scale glass panels, requiring sheet resistance below 10 Ω/sq for uniform coloration switching across large areas.
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