ITO Sputtering Target
ITO Sputtering Target
Main Highlights
| Material | In₂O₃ / SnO₂ (Indium Oxide / Tin Oxide) |
| Composition (wt%) | 90/10 (most common), 95/5, 80/20 |
| Purity | 99.99% |
| Density | ≥ 7.10 g/cm³ |
| Electrical Resistivity | ≤ 1 × 10⁻³ Ω·cm |
| Appearance | Dark grey to black solid |
| Microstructure | Fine-grained ceramic structure |
| Porosity | < 1% |
| Film Uniformity | ±3–5% across substrate |
| Melting Point | Around 1900 °C |
| Target Shapes | Planar (rectangular/circular), Rotary (cylindrical) |
| Backing Plate | Copper (Cu) or Molybdenum (Mo) |
| Bonding Method | Indium (In) or Elastomer bonding |
| Sputtering Performance | Stable |
| Thermal Stability | Up to 200 °C |
| Surface Finish | Ra ≤ 0.8 μm |
| Custom Thickness | 3–20 mm (planar); 8–25 mm (rotary) |
| Packaging | Vacuum-sealed and moisture-resistant protective packaging |
| Storage Conditions | Keep in a clean, dry area away from direct sunlight. |
Description and Specifications of ITO Sputtering Target
An ITO (Indium Tin Oxide) sputtering target, also known as an ITO target, is a solid block (often flat, like a tile or disc) made from indium oxide mixed with a small amount of tin oxide. During the sputtering process, this block is “bombarded” in a vacuum chamber, causing tiny ITO particles to fly off and land on glass or plastic, forming an ultra‑thin, transparent film that conducts electricity.
It is made by pressing a finely powdered mixture of indium oxide and tin oxide at a fixed ratio under very high pressure. The pressed block or disc is then heated to make it very hard, dense, and stable, turning it into a ceramic-like solid. The surface is then polished and cleaned. The result is a dark-colored solid used in the sputtering machine.
The ITO layer produced by the ITO sputtering target is chemically stable, adheres well to glass or plastic, and is long-lasting under normal use. The coating is thin, transparent, and electrically conductive. ITO targets are mainly used to make electronic and display products, such as touchscreens, flat‑panel displays, solar cells, LEDs, lighting panels and special coatings for anti‑glare or infrared‑reflective glass. The ITO sputtering target price depends on the size, thickness, and composition ratio.
Features Of Ito Sputtering Targets
High Transparency: The thin film made from an ITO target is highly transparent to visible light, typically with 80–90% transmission.
Excellent Electrical Conductivity: It conducts electricity, allowing current to move across glass or plastic surfaces.
Stable Ceramic Structure: The target is a hard, dense ceramic block with very low porosity, so it wears evenly during sputtering.
Purity: To ensure smooth, contamination-free thin-film coating, ITO targets are manufactured with 99.99% purity.
Flexible in Design and Dimensions: Available in flat plate and rotating tube formats, with diameter, thickness, and overall shape tailored to specific equipment.
Easy to Integrate: The target can be bonded to a metal backing plate, usually copper, for better cooling and mechanical support.
Quality Control: Manufactured under strict standards to ensure high density and uniform film deposition.
Advantages Of Ito Sputtering Targets
- Cost-effective thin-film production with low material wastage.
- Stable sputtering performance throughout target life.
- Superior end-product quality with consistent optical characteristics.
- Suitable for diverse manufacturing needs.
Sputtering Methods
- DC Magnetron Sputtering: Used for conductive materials and gives faster coating deposition.
- RF Magnetron Sputtering: Used for insulating and ceramic materials to produce thin films.
- Reactive Sputtering: Reactive gases, such as oxygen, are added during sputtering to modify the film composition.
- Rotatable Sputtering: Uses a tubular rotating target for long-life, uniform deposition over large areas.
Applications Of Ito Sputtering Target
ITO sputtering target is used to make transparent conductive coatings for a wide range of modern electronic and optical devices. The most common application is in flat-panel displays, including LCDs, OLEDs, micro LED, AR-VR displays, and touch panels, where ITO films act as transparent electrodes that control pixels while allowing light to pass through. In touch screens for smartphones, tablets, kiosks, and ATMs, the ITO layer on glass or plastic senses the position of a finger or stylus by detecting changes in electrical signals across its surface.
It is widely used in solar cells. The ITO coating lets sunlight pass through the surface and helps carry the electric current produced by the cell. In LED applications, ITO coatings help enhance light output and improve power efficiency.
ITO thin-film target is widely used in coatings for display screens and camera lenses to reduce reflection and glare. These targets are also applied in infrared-blocking layers and different types of architectural glass. In addition, it is used as a transparent heating and anti-static coating on windows, vehicle windshields, and smart glass systems, helping prevent fogging, icing, and static charge buildup. Because of its ability to combine electrical conductivity with optical transparency, ITO sputtering targets are used across many industrial and electronic applications.
How To Use Ito Sputtering Target?
- ITO sputtering target is used inside magnetron vacuum sputtering systems to deposit thin, transparent conductive films onto glass, PET, plastic, and wafer substrates.
- The ITO target is first mounted onto the sputtering gun (cathode), usually with a metal backing plate for cooling and support.
- The sputtering chamber is vacuum-sealed and supplied with argon and a limited amount of oxygen.
- A high voltage creates plasma inside the vacuum chamber. Plasma ions strike the target, ejecting ITO atoms from its surface; this process is called sputtering.
- The released ITO atoms pass through the vacuum and settle onto the substrate, forming a thin, even coating.
- The process parameters, such as power, substrate temperature, gas pressure, and flow rate, are carefully set to control film transparency, conductivity, thickness, and uniformity.
- As sputtering continues, the target surface wears in a racetrack pattern; the target is replaced when film quality degrades or arcing increases.
- Proper handling, clean installation, correct cooling, and stable power settings are important to avoid cracking, defects, and premature failure.
Safety Instructions
- Always handle ITO sputtering targets with gloves to avoid contamination, as fingerprints and oils can degrade film quality.
- Store targets in their original packaging, in a dry environment to avoid moisture and dust.
- Use appropriate backing plates, usually copper, to ensure the target cools properly during sputtering and does not overheat or crack.
- Follow the recommended maximum power density to prevent overheating, warping, and arcing.
- Make sure the vacuum chamber is clean and sealed to avoid defective film production.
- Maintain recommended chamber pressure and gas flow to prevent target poisoning and unstable plasma.
- Handle damaged or used ITO targets with care to avoid contact with indium dust.
- Wear gloves, safety glasses, and a suitable mask when cleaning the chamber.
- Wait for dust and particles to settle before opening the chamber.
- Follow workplace safety and ventilation guidelines during handling and cleaning.
Why Choose Us?
We are a trusted manufacturer and supplier of ITO sputtering targets, made from high-purity indium tin oxide to achieve a smooth, even coating on glass and PET substrates. Production is carried out under controlled conditions to maintain optical transparency and dependable sputtering performance.
The target is suitable for industries involved in display manufacturing, touch-screen panel production, and solar cell production. It can be used with existing sputtering systems while maintaining stable coating quality. We also provide dependable technical assistance to help improve production efficiency and device performance.
FAQ's
It is used to coat glass and plastic with a thin, transparent, conductive film for displays, touchscreens, and solar cells.
It is made up of Indium oxide (In₂O₃) and tin oxide (SnO₂), usually 90/10 wt%.
It is both highly transparent and electrically conductive.
The major difference is that planar targets are flat, whereas rotary targets last longer and coat large areas evenly.
Methods such as DC magnetron, RF magnetron, reactive, and rotatable sputtering.
We offer Copper or molybdenum plates with indium or elastomer bonding.
Yes — custom shapes and thicknesses (3–20 mm planar, 8–25 mm rotary).
Glass, PET, plastic, and wafers.
The lifespan depends on density, purity, power, and operating conditions.
Cool properly, stay within power limits, and avoid sudden temperature changes.
Handle with gloves; store in a clean, dry place away from moisture.
These targets are used in Displays, touch panels, solar cells, LEDs, and specialty glass coatings.